Table of Contents

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Applicable Model
NL1500/500
NL1500S/500
NL2000/500
NL2000S/500
NL2500/700
NL2500S/700
NL2500S/1250
NL3000/2000
NL3000/3000
Applicable NC Unit
M720BM (MSX-850IV)
Before starting operation, maintenance, or programming, carefully read the
manuals supplied by Mori Seiki, the NC unit manufacturer, and equipment
manufacturers so that you fully understand the information they contain.
Keep the manuals carefully so that they will not be lost.
MAINTENANCE MANUAL
NL1500MC/500
NL1500SMC/500
NL2000MC/500
NL2000SMC/500
NL2500MC/700
NL2500SMC/700
NL2500MC/1250
NL2500SMC/1250
NL3000MC/700
NL3000MC/1250
NL3000MC/2000
NL3000MC/3000
NL1500Y/500
NL1500SY/500
NL2000Y/500
NL2000SY/500
NL2500Y/700
NL2500SY/700
NL2500Y/1250
NL2500SY/1250
NL3000Y/700
NL3000Y/1250
NL3000Y/2000
NL3000Y/3000
HX-NL_4-C2JPEN
2011.06.P

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Summary of Contents for mori seiki NL1500/500

  • Page 1 M720BM (MSX-850IV) Before starting operation, maintenance, or programming, carefully read the manuals supplied by Mori Seiki, the NC unit manufacturer, and equipment manufacturers so that you fully understand the information they contain. Keep the manuals carefully so that they will not be lost.
  • Page 2 • Should you discover any discrepancies between the contents of the manual and the actual machine, or if any part of the manual is unclear, please contact Mori Seiki and clarify these points before using the machine. Mori Seiki will not be...
  • Page 3 About Declaration of Conformity <Declaration of EC Conformity> Mori Seiki declares that the machine tool shipped to Europe (NC lathe, turning center, or multi-axis machine) is designed and manufactured in conformity with the following requirements. 1. EC 1. EC directive...
  • Page 4 DMG / MORI SEIKI Turkey (DMG MOR SE K STANBUL MAK NE T CARET VE SERV S L M TED RKET ) Head Office & Technical Center Ferhatpa a Mah. Gazipa a Cad. No.11 34885 Ata ehir, stanbul, Turkey Phone: (90)-216-471-66-36 Fax.: (90)-216-471-80-30...
  • Page 5 <Tools> This machine is capable of using common turning tools and rotary tools* (such as milling cutters, drills, and taps). Contact Mori Seiki before using grinding tools or special tools. * For machines equipped to use rotary tools. <Materials> This machine is designed for machining metal, resin, and plastics.
  • Page 6 • Keep this manual in a clearly marked location to ensure easy access when necessary. • • Contact the Mori Seiki Service Department if any part of the manual is unclear. • • Contact the Mori Seiki Service Department or your distributor if this manual is lost or damaged.
  • Page 7 Signal Word Definition DANGER Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. WARNING Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. CAUTION Indicates a potentially hazardous situation which, if not avoided, may result in minor injury or damage to the machine.
  • Page 9 CONTENTS FOR SAFE MACHINE OPERATION REGULAR MAINTENANCE TROUBLESHOOTING INDEX...
  • Page 11 CONTENTS FOR SAFE MACHINE OPERATION ..................21 FOR USERS AND SUPERVISORS ....................... 22 PRECAUTIONS FOR OPERATORS ......................23 FIRE PREVENTION AND COUNTERMEASURE .......................... 26 SAFETY DEVICES .......................... 27 CAUTION LABELS ........................27 Safety Precautions ........................... 28 Turning ON/OFF Power ................................28 Bar Stock ..........................
  • Page 12 .............................. 45 Precautions when Operating Special Specification Machines ........................46 MAINTENANCE AND INSPECTION ..............................47 Machine Management ........................49 DISPOSITION OF MACHINES CHAPTER 1 REGULAR MAINTENANCE ......................53 IMPORTANCE OF INSPECTIONS ....................... 54 REGULAR INSPECTION LIST .................... 57 MAINTENANCE ROUTE MAP ..........................
  • Page 13 ........................75 Inspection and Replacement of Slide Seals ............................77 Replacing Machine Light ......................80 CLEANING OPERATION PANEL ......................81 SPINDLE WARM-UP ............................81 Daily Spindle Warm-Up ........................82 Spindle Warm-Up after Extended Idle Period ......................84 COOLANT UNIT 10-1 ........................
  • Page 14 11-6 ..................... 96 Cleaning Suction Strainer and Tank 11-7 ..................98 Filter Element Replacement of Line Filter 11-8 ......................... 100 Flow of Hydraulic Oil and Positions where Used 11-9 ..............................102 Hydraulic Circuit Diagram NL1500, NL2000............................ 102 NL1500, NL2000 NL2500/700 ............................107 NL2500/700 NL2500/1250 ............................
  • Page 15 ..................140 SEMI DRY-CUT SYSTEM (OPTION) 15-1 ............................140 Adjusting Oil Supply Quantity 15-2 ..............................140 Replenishing Oil ........................142 PNEUMATIC DEVICES 16-1 ......................142 Precautions when Performing Maintenance Work on Pneumatic Devices 16-2 ............................. 142 Air Pressure Inspection and Adjustment 16-3 ....................
  • Page 16 ................163 HIGH PRESSURE COOLANT UNIT (OPTION) 19-1 ..........................163 Suction Pressure Inspection and Adjustment 19-2 ......................164 Cleaning Notch Clean Filter 19-3 ....................164 Replenishing Coolant to Clean Tank 19-4 ......................... 165 Cleaning Coolant Tank 19-5 ....................166 High Pressure Pump Oil Replacement and V-Belt Inspection CHAPTER 2 TROUBLESHOOTING .....................
  • Page 17 ....................180 ZERO POINT RETURN COMMAND ALARM TRIGGERED ..................184 SOFT-OVERTRAVEL ALARM ................... 185 COOLANT UNIT PROBLEMS ‘EX1557 ’..................185 ‘EX1557 (COOLANT FLOW TOO LOW)’ ‘EX0578 ’ ................. 185 ‘EX0578 (COOLANT OIL LEVEL LOW)’ ......................185 When Coolant Spills on the Floor ..........................
  • Page 18 ................... 201 OIL TEMPERATURE CONTROLLER ERRORS ....................203 ALARM RELATED TO TURRET 11-1 ‘EX0357 ’....................203 ‘EX0357 (TURRET INDEX TIME OVER)’ ....................205 WHEN SUB-STANDARD MACHINING OCCURS 12-1 ............................. 205 Adjusting Machine Level 12-2 ..........................205 Backlash Check Headstock Inclination Adjustment 12-3 .............................
  • Page 19 FOR SAFE MACHINE OPERATION...
  • Page 20 FOR USERS AND SUPERVISORS PRECAUTIONS FOR OPERATORS FIRE PREVENTION AND COUNTERMEASURE SAFETY DEVICES CAUTION LABELS WORKING ENVIRONMENT MACHINE OPERATION MAINTENANCE AND INSPECTION DISPOSITION OF MACHINES...
  • Page 21 Prohibit anyone without sufficient safety training from entering the plant and vicinity of the machine. Mori Seiki is not liable for accidents. 3. This machine is manufactured for use by persons with normal senses and not-physically-challenged.
  • Page 22 PRECAUTIONS FOR OPERATORS PRECAUTIONS FOR OPERATORS 1. Before operating or programming the machine, or performing maintenance procedures, read and understand the instruction manuals thoroughly. 2. This machine is manufactured for use by persons with normal senses and not-physically-challenged. Not compliant for use by persons with implanted medical device directives such as pacemakers.
  • Page 23 FIRE PREVENTION AND COUNTERMEASURE FIRE PREVENTION AND COUNTERMEASURE Failure to observe the following warnings may result in a fire or machine damage. Mori Seiki is not liable for any fire whose cause is other than a product defect. 1. When machining using coolant •...
  • Page 24 The conversational programming function creates NC programs based on general machining conditions, but the final responsibility for determining the machining conditions rests with the user. Mori Seiki is not liable for the machining outcome of the conversational programming function. •...
  • Page 25 FIRE PREVENTION AND COUNTERMEASURE machine may operate in an unexpected manner, causing damage to the machine. • Managers or supervisors must report the fire to the fire department.
  • Page 26 Do not modify or remove safety-related devices on your own. If the safety devices are replaced, be sure to confirm whether they work properly before starting the machine operation. Contact Mori Seiki for further information. Do not operate the machine with protective covers removed or while other safety devices are in invalid status.
  • Page 27 Do not fix anything on top of a caution label or paint over it. Ensure caution labels attached to the machine are written in the native language of the operator. Contact the Mori Seiki Service Department on purchasing new caution labels and other inquiries. “ ”...
  • Page 28 CAUTION LABELS Turning ON/OFF Power 1. Turn the power OFF before performing the followings. [Electric shock/Entanglement] • Before performing any work inside the machine for maintenance and cleaning. • Before performing any work inside the electrical cabinet and the NC unit. •...
  • Page 29 CAUTION LABELS 2. Use a guide bush when machining the bar stock shorter than the spindle length. 3. Do not start the spindle unless the cylinder cover is in place. 4. Do not insert bar stock into the spindle-through hole while the spindle is rotating.
  • Page 30 CAUTION LABELS 2. The operator will become entangled with the spindle if the operator touches the chuck or the workpiece while the spindle is rotating. 3. A workpiece will fly out if the spindle starts while the workpiece is not clamped correctly. 4.
  • Page 31 CAUTION LABELS 3. Machine vibration will result when a workpiece with its center of gravity not at the chuck rotating center is rotated in the chuck. This, in turn, will deteriorate the accuracy of the machined workpiece. It is necessary to balance the workpiece with a balancing weight.
  • Page 32 CAUTION LABELS 1. Specify a spindle speed limit that is lower than the lowest of the individual allowable speed limits for the chuck, cylinder, and fixture. [Workpiece ejection/Serious injury/Machine damage] 2. Before starting or stopping the spindle, set the spindle speed to the lowest setting.
  • Page 33 CAUTION LABELS Locked-In Prevention Key Turning the locked-in prevention key makes it impossible to fully close the door so the door cannot be closed. If it is necessary to carry out cleaning or maintenance inside the machine, turn the power OFF, turn the key, and remove it. Take the key with you when you enter the machine.
  • Page 34 CAUTION LABELS 5-11 Legal Obligation The product shipped to you (the machine and accessory equipment) has been manufactured in accordance with the laws and standards that prevail in the relevant country or region. Consequently it cannot be exported, sold, or relocated, to a destination in a country with different laws or standards.
  • Page 35 WORKING ENVIRONMENT WORKING ENVIRONMENT DANGER Cover power supply cables on the floor with rigid insulated plates. [Electric shock] WARNING Always keep the floor area around the machine clean, without material or fluid such as water and oil remained, to ensure the work area for safe machine operations.
  • Page 36 [Mechanical error] Do not change machine specifications, parameters or modify the machine without prior consultation with Mori Seiki. [Impaired machine performance/Machine service life reduction] When operating noise may be produced, change cutting conditions to limit the generation of noise or ensure the operator wears protective gear to avoid injury due to excessive noise levels.
  • Page 37 Stop the machine before removing chips or adjusting the direction or volume of coolant supply. [Entanglement] Bolts used for fixtures should be periodically replaced with the bolts specified by Mori Seiki that have appropriate strength. [Bolt breakage/Workpiece, fixture, cutting tool ejection/ Serious injuries/Machine damage] Ensure workpiece, cutting tool, holder, soft jaws, and tailstock (if installed) are tightened securely.
  • Page 38 [Rotary tool ejection by rotating spindle at high speed forcibly] Stop machine operation immediately and contact the Mori Seiki Service Department following malfunction of any device related to the door interlock function. [Injury/Machine damage] Some switches have covers preventing unintentional switch actuation.
  • Page 39 NOTE Mori Seiki is not responsible for accidents caused by the use of a chuck or fixture prepared by the customer without prior consultation. If the chuck supplied with the machine is removed from the machine and a specially prepared fixture is used, remove the chuck cylinder and connecting rod.
  • Page 40 MACHINE OPERATION • • Chuck gripping force • • Workpiece dimensions and shapes • • Cutting force • • Chuck maintenance and inspections [Workpiece ejection] When machining long workpieces, clamp the free end of the workpiece securely with the tailstock or a steady rest (if installed).
  • Page 41 • Adjust the alignment of the machine and bar feeder. • • Check that appropriate guide bushes are used in the spindle through-hole. If the vibration cannot be eliminated by performing the countermeasures listed above, contact the Mori Seiki Service Department. [Machine damage/Machining accuracy lowered]...
  • Page 42 [Machine damage/Impaired machining accuracy] When machining a workpiece such as carbon or ceramics which generate powder particles, contact the Mori Seiki Service Department. [Inhaling powder particles, Powder particles entering slideway or gap between bearing] Perform spindle and controlled axis test running procedures prior to machining.
  • Page 43 MACHINE OPERATION When machining bar stock on a machine equipped with a bar feeder or spindle through-hole, use straight bar stock only. When machining bar stock with a diameter smaller than that of the spindle (or draw pipe), use a guide bush.
  • Page 44 [Programs destroyed, parameter data and/or offset data lost] NOTE Mori Seiki is not liable for problems resulting from destroyed programs or lost data that have not been backed up. If necessary to perform a memory clear operation, contact the Mori Seiki Service Department for assistance.
  • Page 45 MACHINE OPERATION Precautions when Operating Special Specification Machines WARNING Optional specifications machines must be operated in compliance with such specifications. <Industrial Robot Specifications> Only qualified personnel trained and approved in accordance with local regulations may operate robots. Unauthorized personnel may not operate robots under any circumstances, including teaching and inspection.
  • Page 46 [Vibration/Strength reduction/Machine accuracy degradation] Do not overtighten bolts. [Machine distortion/Bolt breakage] WARNING Consult the Mori Seiki Service Department prior to performing replacement procedures. Use specified parts at all times. [Impaired machine performance and safety]...
  • Page 47 MAINTENANCE AND INSPECTION NOTE Mori Seiki does not accept responsibility for accidents arising from the use of non-specified replacement parts or parts replaced without prior consultation. Do not climb on top of the machine. [Falling] Do not leave articles such as tools and rags inside the machine.
  • Page 48 MAINTENANCE AND INSPECTION Disposal of industrial waste such as oil, coolant, chips, and refrigerants is to be performed in strict compliance with safety and environmental protection laws as stipulated by the proper national and local authorities.
  • Page 49 DISPOSITION OF MACHINES DISPOSITION OF MACHINES WARNING Before dismantling the machine, remove the power cord and air hose connected to the machine. There is a live part inside the electrical cabinet and the operation panel. Be sure to pay sufficient attention during the operation.
  • Page 51 1èÕ CHAPTER 1 REGULAR MAINTENANCE CHAPTER 1...
  • Page 52 IMPORTANCE OF INSPECTIONS REGULAR INSPECTION LIST MAINTENANCE ROUTE MAP OILS LIMIT SWITCH/SOLENOID VALVE INSTALLATION POSITIONS PREPARATION FOR MACHINE OPERATION AFTER PROLONGED IDLE PERIOD MACHINING CHAMBER CLEANING OPERATION PANEL SPINDLE WARM-UP COOLANT UNIT HYDRAULIC UNIT LUBRICATING UNIT OIL TEMPERATURE CONTROLLER COOLANT COOLING UNIT (OPTION) SEMI DRY-CUT SYSTEM (OPTION) PNEUMATIC DEVICES ELECTRICAL CABINET...
  • Page 53 3. For queries or concerns related to the contents of the instruction manuals, circuit diagrams, and ladder diagrams, contact the Mori Seiki Service Department for assistance. 4. If the cause of a problem cannot be determined or if it cannot be remedied, contact the Mori Seiki Service Department for assistance.
  • Page 54 REGULAR INSPECTION LIST REGULAR INSPECTION LIST Items that require regular inspection and maintenance are indicated below. Perform maintenance and inspections by following the inspection intervals below. “ ” 85 “ ” 94 “ ” 129 “ ” 140 “ ” 164 “...
  • Page 55 REGULAR INSPECTION LIST “ ” 96 1000 “ ” 156 “V ” 166 “ ” 75 1500 “ ” 165 “ ” 134 2000 “ ” 94 “ ” 161 “ ” 157 “ ” 98 “ ” 161 “ ”...
  • Page 56 REGULAR INSPECTION LIST Inspection Inspection Item Interval “<Cleaning Slideway (Ball Screw) Protective Covers and Operator Door Rail>” (page 73) “<Cleaning Cylinder Rear Section (Hollow Chuck Specifications)>” (page 74) Cleaning “Cleaning Chuck” (page 74) Daily “Cleaning Chip Conveyor” (page 159) (Option) “SPINDLE WARM-UP”...
  • Page 57 MAINTENANCE ROUTE MAP MAINTENANCE ROUTE MAP Refer to Component “Replacing Machining Chamber “ ” 71 Observation Window” (page 71) “ ” 72 “Cleaning Inside Machine” (page 72) “ ” 74 “Cleaning Chuck” (page 74) Machining Chamber “ ” 75 “Inspection and Replacement of Slide Seals”...
  • Page 58 MAINTENANCE ROUTE MAP Refer to Component “Cleaning Electrical Cabinet Fan” “ ” 156 (page 156) Electrical Cabinet “ ” 157 “Replacing Batteries” (page 157) Cleaning Oil Temperature Controller Air Filter and Condenser (page 133) Oil Temperature Controller “Replacing Cooling Oil” (page 134) “...
  • Page 59 OILS OILS Recommended Oils Use the following recommended oils. Using other oils may degrade the machine performance. CAUTION MSDS Receive the MSDS (MATERIAL SAFETY DATA SHEET) from the lubricant manufacturer directly yourself as the customer. Work environment management and the MSDS storage and disposal of oils are the sole responsibility of the customer.
  • Page 60 Do not remove the filter from the filter port on each tank when supplying oil. If oils other than those specified by Mori Seiki are used mistakenly or different brands of oil are mixed, clean the tank and flush the piping immediately.
  • Page 61 OILS 4. In the case of the standard chuck, refer to the chuck manufacturers manual and replenish grease according to the type of the grease, replenishment intervals, and amounts specified.
  • Page 62 LIMIT SWITCH/SOLENOID VALVE INSTALLATION POSITIONS LIMIT SWITCH/SOLENOID VALVE INSTALLATION POSITIONS “ ” For the applications of limit switches, refer to “Electrical Circuit Diagram” separately provided. NL1500, NL2000, NL2500, NL3000/700, NL3000/1250 NL1500, NL2000, NL2500, NL3000/700, NL3000/1250 (H61108 A05) Tailstock Saddle Cross slide Turret Headstock Front cover...
  • Page 63 LIMIT SWITCH/SOLENOID VALVE INSTALLATION POSITIONS NL3000/2000, NL3000/3000 NL3000/2000, NL3000/3000 (H61423 A03) Saddle Tailstock Cross Slide (Option) Headstock Turret Front Cover (Option) (Option) Automatic Centering Type Steady Rest (Automatic) Automatic Centering Type Steady Rest (Bolt-Fastened) Limit Switch/Solenoid Valve List “ ” Separate volume, OPERATION MANUAL “Machine Condition Screen”...
  • Page 64 LIMIT SWITCH/SOLENOID VALVE INSTALLATION POSITIONS Function Address HYDRAULIC UNIT ALARM AIR PRESSURE SIGNAL (OPTION) SQ727 WORK PUSHER OUT FIN (OPTION) SQ728 WORK PUSHER IN FIN (OPTION) SQ46 WORK UNLOADER OUT FIN (OPTION) SQ47 WORK UNLOADER IN FIN (OPTION) SQ32 PRESETTER ARM UP FIN SQ33 PRESETTER ARM DOWN FIN SQ132...
  • Page 65 LIMIT SWITCH/SOLENOID VALVE INSTALLATION POSITIONS Function Address SQ501 TURN OVER DOOR CLOSE FIN (OPTION) SQ408 LIFTER 1 TOP POSITION (OPTION) SQ409 LIFTER 1 BOTTOM POSITION (OPTION) SQ410 LIFTER 2 TOP POSITION (OPTION) SQ411 LIFTER 2 BOTTOM POSITION (OPTION) SQ413 FIND WORK AT LIFTER 1 (OPTION) SQ414 FIND WORK AT LIFTER 2 (OPTION) SQ507...
  • Page 66 LIMIT SWITCH/SOLENOID VALVE INSTALLATION POSITIONS Function Address SUPER HIGH PRESSURE COOLANT SUCTION PUMP CONTROL SIGNAL COOLANT COOLING SYSTEM ALARM SQ36 AUTOMATIC DOOR OPEN FIN RIGHT (OPTION) SQ658 SERVO TYPE WORK UNLOADER HAND CLOSE (OPTION) SQ659 SERVO TYPE WORK UNLOADER HAND OPEN (OPTION) SQ48 SERVO TYPE WORK UNLOADER ARM UP...
  • Page 67 LIMIT SWITCH/SOLENOID VALVE INSTALLATION POSITIONS Function Address YV281 CHUCK PRESSURE 2 (OPTION) YV291 CHUCK PRESSURE 2 #R (OPTION) YV2640 MOVE ARM TO HIGH POSITION (OPTION) YV2641 MOVE ARM TO LOW POSITION (OPTION) YV2650 TURN OVER HAND CLAMP COMMAND (OPTION) YV2651 TURN OVER HAND UNCLAMP COMMAND (OPTION) YV2660...
  • Page 68 LIMIT SWITCH/SOLENOID VALVE INSTALLATION POSITIONS Function Address YV1041 SERVO TYPE WORK UNLOADER ARM DOWN (OPTION) YV5170 SERVO TYPE WORK UNLOADER UP/DOWN BLOCK (OPTION) YV4081 MILLING AIR PURGE (OPTION) YV2511 SCALE AIR PURGE (OPTION) YV2511 STEADY REST AIR PURGE (OPTION)
  • Page 69 PREPARATION FOR MACHINE OPERATION AFTER PROLONGED IDLE PERIOD PREPARATION FOR MACHINE OPERATION AFTER PROLONGED IDLE PERIOD Perform the following operations after machine has been idle for two days or more. Operations Machine Idle Period Refer to Forced Lubrication Two Days or More Written Below Full Stroke Travel of Axes Two Days or More...
  • Page 70 PREPARATION FOR MACHINE OPERATION AFTER PROLONGED IDLE PERIOD 2. X 2. X-axis reversed JIS specification machines have the positive and negative directions of the X-axis reversed when compared with conventional specification machines.
  • Page 71 “ ” OPERATION MANUAL“OPENING/CLOSING DOOR” NOTE 1. Please contact the Mori Seiki Service Department and obtain specified parts when replacing the window. Mori Seiki is not responsible for problems arising from the use of non-specified replacement window parts. 2. The window is a consumable and is not covered by the warranty.
  • Page 72 MACHINING CHAMBER 6. If the window is damaged, take due care to avoid injury caused by touching the damaged part of the glass. 7. Using a material other than a silicon-based one for caulking can degrade the polycarbonate. Window Window Frame Window Frame Plate <Procedure>...
  • Page 73 MACHINING CHAMBER Do not touch chips without protective gloves. [Injuries] <Cleaning Spindle Drain Hole> Remove the cover, and if the 3 drain holes are clogged with chips and dust, remove the chips and dust. Drain Hole Drain Cover Spindle 1 Spindle 2 <Cleaning Tailstock Spindle Drain Hole (Built-in Type)>...
  • Page 74 MACHINING CHAMBER <Cleaning Cylinder Rear Section (Hollow Chuck Specifications)> Remove the cylinder cover on the left side face of the machine, take out the punched-metal box, and remove the accumulated chips. Punched-Metal Box Cleaning Chuck DANGER Turn OFF the main power and disconnect the plant-side power supply (breaker).
  • Page 75 MACHINING CHAMBER When using compressed air, take care not to blow air against the spindle front cover. [Dust or foreign matter entry into spindle bearings] Chuck Through Hole Clean the chuck through hole using compressed air to remove chips and dust. Refer to the chuck manufacturer's manual for disassembly pro- cedure.
  • Page 76 MACHINING CHAMBER 3) Tighten the bolts of the slide seal again. Y-Axis* X-Axis NOTE * Y-axis specifications only...
  • Page 77 MACHINING CHAMBER Replacing Machine Light DANGER Turn OFF the main power. Clamp Cap Clamp Ballast Cover Screw Fluorescent Lamp Clamp Appliance Lamp Unit Glass Tube Fluorescent Lamps E36167 E36079 PHILIPS PL-4/4P 18 W 840 Guide Board Semicircular Space Lighting Unit Part No.: E36167 Fluorescent Lamp Part No.
  • Page 78 MACHINING CHAMBER <Procedure> 1) Turn OFF the main power. 2) Wipe the coolant and chips off of the external surfaces of the lamp unit. CAUTION As the external surfaces of the lamp unit reach a high temperature, exercise extreme care to avoid burns. 3) Remove the screws of the clamps.
  • Page 79 MACHINING CHAMBER 3 mm 21) Tighten the clamp cap until the O-ring is attached to the entire circumference of the glass tube with a width of about 2 - 3 mm. (u) NOTE If the clamp cap is not tighten correctly, coolant or foreign matter may enter the fluorescent tubes.
  • Page 80 CLEANING OPERATION PANEL CLEANING OPERATION PANEL Remove any smudges from the operation panel with a detergent-soaked cloth. DANGER Turn OFF the main power and disconnect the plant-side power supply (breaker). CAUTION Use limonene-based liquid detergent that satisfies the following conditions; •...
  • Page 81 SPINDLE WARM-UP SPINDLE WARM-UP Perform the spindle warm-up periodically to ensure optimum bearing service life. CAUTION Do not rotate the spindle without a workpiece clamped in the chuck. [Machine damage] Perform the spindle warm-up with one of the usual workpieces and with the usual chucking pressure. Select a well-balanced workpiece that is as small in diameter as possible.
  • Page 82 SPINDLE WARM-UP <Program example> 2000 min The warm-up program shown below is for cases where the maximum rotation speed for the machining programs of the day is 2000 min <For Spindle> <For Rotary Tool-Spindle> O0001; O0001; G97 S100 M03; M45; G04 X600.0;...
  • Page 83 SPINDLE WARM-UP <Program example> 3000 min The warm-up program shown below is for cases where the regularly used maximum rotation speed is 3000 min <For Spindle> <For Rotary Tool-Spindle> O0001; O0001; G97 S150 M03; M45; G04 X3600.0; G97 S150 M13; S750;...
  • Page 84 WARNING Disregarding the following warnings will result in serious injuries and machine damage by fire. Mori Seiki is not responsible for accidents and fires arising from disregard for the warnings. Do not use a flammable coolant such as an oil-based coolant that may catch fire.
  • Page 85 COOLANT UNIT • • Add diluted coolant mixture to coolant tank after mixing in a separate container. • • Use coolant at the concentration specified by the supplier. If coolant of improper concentration is used, workability is degraded and rusting of the machine and workpiece occurs, causing damage to the machine and adversely affecting machining accuracy.
  • Page 86 COOLANT UNIT 10-3 Cleaning Coolant Tank and Filter (Chip Conveyor Right Side Discharge Specifications) Jack Bolt Coolant Filters Coolant Pump DANGER Turn OFF the main power. <Procedure> 1) Turn OFF the main power. 2) Wait until the coolant level is stabilized after the coolant inside machine is returned to the coolant tank.
  • Page 87 COOLANT UNIT 7) Drain coolant using a dedicated suction device. 8) Clean the tank with a spade or shovel. 9) Blow compressed air through the coolant filters. CAUTION Protective glasses must be worn to prevent eye damage from chips or foreign matter (those who wearing glasses included).
  • Page 88 COOLANT UNIT 7) Remove the coolant filters. 8) Drain coolant using a dedicated suction device. 9) Clean the tank with a spade or shovel. 10) Blow compressed air through the coolant filters. CAUTION Protective glasses must be worn to prevent eye damage from chips or foreign matter (those who wearing glasses included).
  • Page 89 (fully open). 10-6 Coolant Pump The table below shows the model numbers for the coolant pumps. Refer to this information when inspecting or replacing the coolant pumps. Contact the Mori Seiki Service Department for assistance. Pump Specifications Model Output Part No.
  • Page 90 COOLANT UNIT NOTE NL3000/2000 NL3000/3000 Standard for NL3000/2000 and NL3000/3000. NL3000/2000 NL3000/3000 For NL3000/2000 and NL3000/3000. Used also for Turret Coolants. For rear discharge specifications. 50 Hz For 50 Hz. 60 Hz For 60 Hz. 10-7 Adjusting Oil Skimmer Separation Tank Drain (Option) When oil is not removed from separation tank or coolant is removed with the waste oil into the drain pan, adjust the height of the drain adjustment nut.
  • Page 91 COOLANT UNIT 10-8 Flow of Coolant and Positions where Used (Chip Conveyor Right Side Discharge Specifications) Turret Coolant Pump 10-9 Flow of Coolant and Positions where Used (Chip Conveyor Rear Discharge Specifications) Turret Coolant Pump...
  • Page 92 COOLANT UNIT 10-10 Coolant Gun (Option) CAUTION When using the coolant gun, wear protective glasses to prevent eye damage from dust or foreign matter (those who wear glasses are included). NOTE The shapes of the coolant gun and gun holder slightly differ with each machine.
  • Page 93 COOLANT UNIT CAUTION Do not touch chips with bear hands. If handling chips, wear gloves that have resistance to cutting. [Injury]...
  • Page 94 Turn OFF the main power. CAUTION If the oil level decreases rapidly, the pump unit or the machine may be malfunctioning. Contact the Mori Seiki Service Department for assistance. Maintain oil at the correct level to prevent air being suctioned through the pump unit.
  • Page 95 HYDRAULIC UNIT 2) Remove the fill port cap. 3) Place a drain pan beneath the drain plug. 4) Remove the drain plug and drain oil in the tank. 5) Replace the drain plug. 6) Supply oil while checking the oil level gage. Fill Port Cap Drain Plug Oil Level Gage...
  • Page 96 HYDRAULIC UNIT NOTE Confirm all machine operations have come to a complete stop. 2) Confirm that the digital pressure display indicates the above values. 11-5 Cleaning Radiator Radiator <Procedure> 1) Turn OFF the main power. 2) Remove dust adhering to the radiator with a compressed air gun.
  • Page 97 HYDRAULIC UNIT 4) Disconnect the piping. Hose Band 5) Remove the bolts beneath the tank and pull the hydraulic unit out from the base. ×4 6) Remove the tank upper plate. 7) Clean the suction strainer using the following procedure: a) Remove the suction strainer.
  • Page 98 HYDRAULIC UNIT d) Apply sealing tape to the threaded section of the suction pipe and reattach the suction strainer. 8) Clean the inside of the tank with kerosene. CAUTION Use caution when using kerosene, and make sure there is no open flame in the vicinity. 9) Remove foreign matter from around the drain plug using a brush.
  • Page 99 Name W12026 W12026 Line Filter W12028 W12028 Filter Element NOTE Contact the Mori Seiki Service Department and quote the part No. indicated in the table when ordering the line filter and filter element. Head O-Ring Filter Element O-Ring Tighten Loosen...
  • Page 100 HYDRAULIC UNIT 5) O 5) If there is any damage to the O-ring, replace it with a new one. NOTE 1. Even a tiny scratch will cause an oil leakage if the hydraulic unit is used under high pressure. 2. For the model No. of the O-ring of the case, contact the Mori Seiki Service Department.
  • Page 101 HYDRAULIC UNIT Turret Headstock 1 Brake Hydraulic Unit Main Manifold Block Line Filter Headstock 2 Brake Chuck Opening/Closing Manifold Block Headstock 1 Chuck Opening/Closing Headstock 2 Chuck Opening/Closing Cylinder Cylinder...
  • Page 102 HYDRAULIC UNIT 11-9 Hydraulic Circuit Diagram NL1500, NL2000 NL1500, NL2000 (Q40058 003) Chucking Pressure Chucking Pressure Gage Gage Spindle 1: C-Axis Brake (NL1500MC, NL1500Y, NL1500SMC, NL1500SY NL2000MC, NL2000Y, NL2000SMC, NL2000SY) 6.9 MPa Pressure Pressure Loadable Up to Loadable *UNCLAMP 6.9 MPa Up to 6.9 CLAMP 45 Travel:...
  • Page 103 HYDRAULIC UNIT NL1500MC, NL1500Y, NL1500SMC, NL1500MC, NL1500Y, NL1500SMC, NL1500SY, NL2000MC, NL2000Y, NL1500SY, NL2000MC, NL2000Y, NL2000SMC, NL2000SY Specifications NL2000SMC, NL2000SY Only NL1500S, NL1500SMC, NL1500SY, NL1500S, NL1500SMC, NL1500SY, NL2000S, NL2000SMC, NL2000SY NL2000S, NL2000SMC, NL2000SY SMC: NL1500SMC, NL1500SY, NL2000SMC, Specifications Only NL2000SY SMC: NL1500SMC, NL1500SY, NL2000SMC, NL1500Y, NL1500SY, NL2000Y, NL2000SY Specifications Only...
  • Page 104 HYDRAULIC UNIT Symbol Order No. Parts Name Q'ty Maker KSO-G02-2BA-30-E YV171 DAIKIN SOLENOID VALVE KSO-G02-2BA-30-E INDUSTRIES BT-102-50-S UK4273-1 U00532A DAIKIN MANIFOLD BT-102-50-S (UK4273-1) INDUSTRIES BT-202-50-S UK4276-1 U00530B DAIKIN MANIFOLD BT-202-50-S (UK4276-1) INDUSTRIES MG-02P-03-55-T-74 DAIKIN P PORT PRESSURE REDUCING VALVE MG-02P-03-55-T-74 INDUSTRIES Y4322963 DAIKIN...
  • Page 105 HYDRAULIC UNIT Symbol Order No. Parts Name Q'ty Maker ST-25 3700 L P29101A BRAID HOSE ST-25 3700 L ( 25) TOYOX OSAKA HIGH NWP70 9 4400 3/8 P27383A HIGH PRESSURE HYDRAULIC HOSE NWP70 9 4400 (3/8) PRESSURE HOSE OSAKA HIGH NWP70 9 4300 3/8 P27325A...
  • Page 106 HYDRAULIC UNIT Symbol Order No. Parts Name Q'ty Maker B11232A BLOCK JOINT OSAKA HIGH NWP70 19W200 P22373B HIGH PRESSURE HYDRAULIC HOSE NWP70 19W200 PRESSURE HOSE OSAKA HIGH NWP70 9 5010 3/8 P20339A HIGH PRESSURE HYDRAULIC HOSE NWP70 9 5010 (3/8) PRESSURE HOSE NWP70 9...
  • Page 107 HYDRAULIC UNIT NL2500/700 NL2500/700 (Q40059 003) Spindle 1: C-Axis Brake (NL2500MC, NL2500Y, NL2500SMC, NL2500SY) Chucking Pressure Gage Chucking Pressure *UNCLAMP Gage CLAMP 0.5 mm 45 Travel: CLAMP 0.5 mm 6.9 MPa Pressure Pressure Loadable Up to Loadable *UNCLAMP 6.9 MPa Up to 6.9 *UNCLAMP CLAMP...
  • Page 108 HYDRAULIC UNIT NL2500Y, NL2500SY Specifications Only 3. STROKE: 700 Symbol Order No. Parts Name Q'ty Maker EHU25-L04-A-30-127C U00531A DAIKIN HYDRAULIC UNIT EHU25-L04-A-30-127C INDUSTRIES DHA-06-150 DAIKIN OIL LEVEL GAGE DHA-06-150 INDUSTRIES KLA-80A DAIKIN OIL LEVEL GAGE KLA-80A INDUSTRIES DAIKIN INVERTER PUMP INDUSTRIES HY-06T DAIKIN...
  • Page 109 HYDRAULIC UNIT Symbol Order No. Parts Name Q'ty Maker MG-02P-03-55-T-74 DAIKIN P PORT PRESSURE REDUCING VALVE MG-02P-03-55-T-74 INDUSTRIES Y4322963 DAIKIN GAGE BLOCK Y4322963 INDUSTRIES KSO-G02-2DA-30-E YV10, VY11 DAIKIN SOLENOID VALVE KSO-G02-2DA-30-E INDUSTRIES YSPA1/4R 6 MPa PS0779-SN DAIKIN PRESSURE GAGE YSPA1/4R 6 MPa (PS0779-SN) INDUSTRIES MG-02P-03-55-T-74...
  • Page 110 HYDRAULIC UNIT Symbol Order No. Parts Name Q'ty Maker OSAKA HIGH NWP70 9 50700 P27356A HIGH PRESSURE HYDRAULIC HOSE NWP70 9 50700 PRESSURE HOSE OSAKA HIGH NWP70 9 5500U/C P27378A HIGH PRESSURE HYDRAULIC HOSE NWP70 9 5500U/C PRESSURE HOSE OSAKA HIGH NWP70 9 5600U/C P27359A...
  • Page 111 HYDRAULIC UNIT Symbol Order No. Parts Name Q'ty Maker OSAKA HIGH NWP70 19*2000 P22373B HIGH PRESSURE HYDRAULIC HOSE NWP70 19*2000 PRESSURE HOSE OSAKA HIGH NWP70 12 1290W/B P20348A HIGH PRESSURE HYDRAULIC HOSE NWP70 12 1290W/B PRESSURE HOSE OSAKA HIGH NWP70 12 1290W/B P20348A HIGH PRESSURE HYDRAULIC HOSE NWP70 12...
  • Page 112 HYDRAULIC UNIT NL2500/1250 NL2500/1250 (Q40061 002) Spindle 1: C-Axis Brake *UNCLAMP Chucking Chucking Pressure Gage Pressure Gage CLAMP 45 Travel: CLAMP 0.5 mm 6.9 MPa Pressure *UNCLAMP Loadable Pressure Up to 6.9 *UNCLAMP Loadable Up to 6.9 MPa CLAMP 45 Travel: CLAMP 0.5 mm *UNCLAMP...
  • Page 113 HYDRAULIC UNIT NL2500Y, NL2500SY Specifications Only Symbol Order No. Parts Name Q'ty Maker 10 L U00531A DAIKIN OIL TANK 10 L INDUSTRIES DHA-06-150 DAIKIN OIL LEVEL GAGE DHA-06-150 INDUSTRIES KLA-80A DAIKIN OIL LEVEL GAGE KLA-80A INDUSTRIES HY-06T DAIKIN OIL INLET/AIR BREATHER HY-06T INDUSTRIES 1734294-01 DAIKIN...
  • Page 114 HYDRAULIC UNIT Symbol Order No. Parts Name Q'ty Maker YSPA1/4R 6 MPa PS0779-SN DAIKIN PRESSURE GAGE YSPA1/4R 6 MPa (PS0779-SN) INDUSTRIES MG-02P-03-55-T-74 DAIKIN P PORT PRESSURE REDUCING VALVE MG-02P-03-55-T-74 INDUSTRIES Y4322963 DAIKIN PRESSURE GAGE Y4322963 INDUSTRIES YV120, KSO-G02-2DA-30-E DAIKIN YV121 SOLENOID VALVE KSO-G02-2DA-30-E INDUSTRIES YSPA1/4R...
  • Page 115 HYDRAULIC UNIT Symbol Order No. Parts Name Q'ty Maker OSAKA HIGH NWP70 12 6200 1/2 HIGH PRESSURE HYDRAULIC HOSE NWP70 12 6200 (1/2) PRESSURE HOSE OSAKA HIGH NWP70 6 350 1/4 P20435A HIGH PRESSURE HYDRAULIC HOSE NWP70 6 350 (1/4) PRESSURE HOSE OSAKA HIGH...
  • Page 116 HYDRAULIC UNIT Symbol Order No. Parts Name Q'ty Maker OSAKA HIGH NWP70 6 200 1/4 P27458A HIGH PRESSURE HYDRAULIC HOSE NWP70 6 200 (1/4) PRESSURE HOSE W12026A LINE FILTER YAMASHIN-FIL R82688A PIPE MATSUYA...
  • Page 117 HYDRAULIC UNIT NL3000/700 NL3000/700 (Q40060 002) Chucking Pressure Gage 6.9 MPa Pressure Loadable Up to 6.9 MPa *UNCLAMP CLAMP CLAMP 45 Travel: 0.5 mm *UNCLAMP *UNCLAMP 3 mm 3 mm CLAMP Travel: 3 mm Travel: 3 mm *CLAMP UNCLAMP CLAMP 45 Travel: 0.5 mm &...
  • Page 118 HYDRAULIC UNIT NL3000MC Specifications Only NL3000MC NL3000Y Specifications Only NL3000Y Symbol Order No. Parts Name Q'ty Maker 10 L U00531A DAIKIN OIL TANK 10 L INDUSTRIES DHA-06-150 DAIKIN SUCTION STRAINER DHA-06-150 INDUSTRIES KLA-80A DAIKIN OIL LEVEL GAGE KLA-80A INDUSTRIES HY-06T DAIKIN OIL INLET/AIR BREATHER HY-06T INDUSTRIES...
  • Page 119 HYDRAULIC UNIT Symbol Order No. Parts Name Q'ty Maker KSO-G02-2BA-30-E YV171 DAIKIN SOLENOID VALVE KSO-G02-2BA-30-E INDUSTRIES OSAKA HIGH NWP70 9 600 3/8 P27388A HIGH PRESSURE HYDRAULIC HOSE NWP70 9 600 (3/8) PRESSURE HOSE OSAKA HIGH NWP70 12 420 1/2 P27389A HIGH PRESSURE HYDRAULIC HOSE NWP70 12 420 (1/2) PRESSURE...
  • Page 120 HYDRAULIC UNIT Symbol Order No. Parts Name Q'ty Maker R82685A PIPE MATSUYA NL3000/1250 NL3000/1250 (Q40062 002) Chucking Pressure Gage 6.9 MPa Pressure Loadable Up to 6.9 MPa *UNCLAMP CLAMP CLAMP 45 Travel: CLAMP 0.5 mm *UNCLAMP *UNCLAMP 3 mm 3 mm Travel: 3 mm Travel: 3 mm CLAMP...
  • Page 121 HYDRAULIC UNIT NOTE 1. The asterisk indicates the zero position. NL3000MC Specifications Only NL3000MC NL3000Y Specifications Only NL3000Y Symbol Order No. Parts Name Q'ty Maker 10 L U00531A DAIKIN OIL TANK 10 L INDUSTRIES DHA-06-150 DAIKIN SUCTION STRAINER DHA-06-150 INDUSTRIES KLA-80A DAIKIN OIL LEVEL GAGE KLA-80A...
  • Page 122 HYDRAULIC UNIT Symbol Order No. Parts Name Q'ty Maker MC-02P-05-65 DAIKIN P PORT CHECK VALVE MC-02P-05-65 INDUSTRIES KSO-G02-2BA-30-E YV171 DAIKIN SOLENOID VALVE KSO-G02-2BA-30-E INDUSTRIES R82684A PIPE MATSUYA OSAKA HIGH NWP70 12 --- 1/2 HIGH PRESSURE HYDRAULIC HOSE NWP70 12 --- (1/2) PRESSURE HOSE OSAKA HIGH...
  • Page 123 HYDRAULIC UNIT Symbol Order No. Parts Name Q'ty Maker W12026A LINE FILTER YAMASHIN-FIL R82685A PIPE MATSUYA NL3000/2000, NL3000/3000 NL3000/2000, NL3000/3000 (Q40088 002) Tailstock Spindle Chucking Pressure Pressure Gage Gage 6.9 MPa Pressure Loadable Up to 6.9 MPa *UNCLAMP *CLAMP CLAMP CLAMP 0.5 mm 45 Travel:...
  • Page 124 HYDRAULIC UNIT NL3000MC Only NL3000MC NL3000Y Only NL3000Y Distance between centers 2000 2000 &: &: Distance between centers 3000 3000 Symbol Order No. Parts Name Model Q'ty Maker U00531B DAIKIN OIL TANK INDUSTRIES DHA-06-150 DAIKIN SUCTION STRAINER INDUSTRIES KLA-80A DAIKIN OIL LEVEL GAGE INDUSTRIES DAIKIN...
  • Page 125 HYDRAULIC UNIT Symbol Order No. Parts Name Model Q'ty Maker YV10, KSO-G02-2DA- DAIKIN YV11 30-E SOLENOID VALVE INDUSTRIES YSPA1/4R 6 MPa DAIKIN PRESSURE GAGE INDUSTRIES PS0779-SN MC-02P-05-65 DAIKIN P PORT CHECK VALVE INDUSTRIES KSO-G02-2BA- YV171 DAIKIN 30-E SOLENOID VALVE INDUSTRIES U00526A BT-202-50-S DAIKIN...
  • Page 126 HYDRAULIC UNIT Symbol Order No. Parts Name Model Q'ty Maker NWP70 9 1400 OSAKA HIGH P27714A HIGH PRESSURE HYDRAULIC HOSE PRESSURE HOSE NWP70 9 1450 OSAKA HIGH P27715A HIGH PRESSURE HYDRAULIC HOSE PRESSURE HOSE P29101A BRAID HOSE TOYOX NWP70 9 5200 OSAKA HIGH P27751A...
  • Page 127 HYDRAULIC UNIT Symbol Order No. Parts Name Model Q'ty Maker NWP70 OSAKA HIGH P22687A HIGH PRESSURE HYDRAULIC HOSE PRESSURE 5470 1/2 HOSE NWP70 OSAKA HIGH P22682A HIGH PRESSURE HYDRAULIC HOSE PRESSURE 6550 1/2 HOSE NWP70 OSAKA HIGH P22683A HIGH PRESSURE HYDRAULIC HOSE PRESSURE 6550 1/2 HOSE...
  • Page 128 HYDRAULIC UNIT Symbol Order No. Parts Name Model Q'ty Maker NWP70 9 4950 OSAKA HIGH P27721B HIGH PRESSURE HYDRAULIC HOSE PRESSURE HOSE NWP70 9 5800 OSAKA HIGH P27728A HIGH PRESSURE HYDRAULIC HOSE PRESSURE HOSE NWP70 9 5750 OSAKA HIGH P27729A HIGH PRESSURE HYDRAULIC HOSE PRESSURE HOSE...
  • Page 129 LUBRICATING UNIT LUBRICATING UNIT 12-1 Replenishing Lubricant Remove the fill port cap and pour oil while checking the oil level using a dedicated oil can. “ ” 59 For oil types, refer to “OILS” (page 59) 12-2 Cleaning Line Filter Line Filter Filter Element WARNING...
  • Page 130 LUBRICATING UNIT <Procedure> 1) Turn OFF the main power. 2) Remove the line filter. 3) Clean the filter element with kerosene and blow compressed air through the filter. CAUTION Protective glasses must be worn to prevent eye damage from dust or foreign matter (those who are wearing glasses included).
  • Page 131 LUBRICATING UNIT CAUTION Protective glasses must be worn to prevent eye damage from dust or foreign matter (those who are wearing glasses included). Use caution when using kerosene, and make sure there is no open flame in the vicinity. 5) Remount the lubricating unit. 6) Supply lubricant.
  • Page 132 LUBRICATING UNIT 12-5 Flow of Lubricant and Positions where Used (Y-Axis Specifications) Y-Axis Lubrication* X-Axis Lubricant* Z-Axis Lubricant* Lubricant Oil Pump Turret Spindle 2 Ball Nut/Tailstock Ball Nut NOTE * indicates the sections that involve motions.
  • Page 133 OIL TEMPERATURE CONTROLLER OIL TEMPERATURE CONTROLLER WARNING Ensure that the power is turned OFF when performing maintenance. 13-1 Cleaning Air Filter and Condenser <Procedure> 1) Turn OFF the main power. 2) Remove the air filter. CAUTION Pay sufficient care not to catch the temperature sensor with the air filter.
  • Page 134 OIL TEMPERATURE CONTROLLER 13-2 Replacing Cooling Oil <Procedure> 1) Turn OFF the main power. 2) Remove the maintenance cover. 3) Place an oil pan beneath the drain plug. 4) Remove the drain plug and drain all oil from the tank. 5) Wrap sealing tape around the threaded part of the plug.
  • Page 135 OIL TEMPERATURE CONTROLLER 13-3 NL1500, NL2000, NL2500/700, NL3000/700, NL3000/2000, NL3000/3000 Flow of Cooling Oil and Positions where Used (NL1500, NL2000, NL2500/700, NL3000/700, NL3000/ 2000, NL3000/3000) Y-Axis Servomotor Base Manifold X-Axis Servomotor Base Spindle 1 Reservoir Tank Turret Oil Temperature Controller Spindle 2 Manifold...
  • Page 136 OIL TEMPERATURE CONTROLLER Oil Temperature Controller Manifold Spindle Reservoir Tank Manifold Turret Headstock 2 Y-Axis Servomotor X-Axis Servomotor 13-4 NL2500/1250, NL3000/1250 Flow of Cooling Oil and Positions where Used (NL2500/1250, NL3000/1250) Y-Axis Servomotor Base Manifold Spindle 1 X-Axis Servomotor Base Reservoir Tank Turret Oil Temperature Controller...
  • Page 137 OIL TEMPERATURE CONTROLLER Oil Temperature Controller Manifold Spindle Reservoir Tank Manifold Turret Headstock 2 Y-Axis Servomotor X-Axis Servomotor...
  • Page 138 COOLANT COOLING UNIT (OPTION) COOLANT COOLING UNIT (OPTION) 14-1 Precautions when Using Coolant Cooling Unit WARNING Operate the coolant cooling unit or perform maintenance and inspections with reading and obtaining a thorough understanding of the contents of the coolant cooling unit instruction manual published separately.
  • Page 139 COOLANT COOLING UNIT (OPTION) 4) Remove dust and oil from the condenser using a compressed air gun or a blush. Air Filter Pressure Switch Condenser...
  • Page 140 SEMI DRY-CUT SYSTEM (OPTION) SEMI DRY-CUT SYSTEM (OPTION) 15-1 Adjusting Oil Supply Quantity “2” Normally set the oil regulating knob at “2”. Oil consumption with “2” the oil regulating knob set at “2” varies according to the diameter of the nozzle or the oil hole as shown in the chart below.
  • Page 141 CAUTION “ ” Use genuine “ULTIMA” plant-derived lubricant for mist. Mori Seiki cannot accept any responsibility for trouble or problems such as fire, health problems, or machine damage caused by using an unauthorized oil. The designated oil may not be available in some areas.
  • Page 142 PNEUMATIC DEVICES PNEUMATIC DEVICES 16-1 Precautions when Performing Maintenance Work on Pneumatic Devices WARNING Inspect the pressure gage periodically. If not set at the correct value, adjustment is necessary. [Serious injury/Machine failure] Use a ladder or service platform when working in elevated places.
  • Page 143 PNEUMATIC DEVICES 4) Push the pressure adjustment knob downward. 16-3 Manual Draining from Air Filter The air filter is equipped with a float-type automatic drain unit. Draining is normally performed automatically by the drain unit. However, if draining is not performed automatically or if foreign matter has accumulated in the bottom of the bowl, turn the manual drain cock CCW to drain manually.
  • Page 144 PNEUMATIC DEVICES b) Mount a new filter element on the valve guide. c) Rotate the baffle CW to secure the baffle and filter element. 6) Tighten the manual drain cock by CW rotation. 7) Turn the valve CCW to restart compressed air supply. 0.5 MPa 8) Check for air leakage and confirm the air pressure is set at 0.5 MPa.
  • Page 145 PNEUMATIC DEVICES 16-6 NL1500, NL2000, NL2500, NL3000/700, NL3000/1250 Air Circuit Diagram (NL1500, NL2000, NL2500, NL3000/700, NL3000/1250) (Q41056 006) Automatic Tool Tailstock Spindle Presetter Air Blow Air Blow Sensor Air Blow Tool Tip Air Blow Chuck Air Blow Probe Sensor Air Blow (Chuck) Chuck 2 Air Blow (Option) (Option)
  • Page 146 PNEUMATIC DEVICES Symbol Order No. Parts Name Model Q'ty Maker F3000-10-FB AIR FILTER APS-60-FL346 PRESSURE SWITCH GFAB41-X1156 YV1091 U40624A -DC24V SOLENOID VALVE RA800-8-PGB REDUCING VALVE SCM-OO-63B- U41449A 118-T0V3-D AIR CYLINDER U40089A SC3W-8-8 SPEED CONTROLLER YV1030, 4GB240-08-B-3 YV1031 SOLENOID VALVE 2MW2-8A METARING VALVE WITH SILENCER FAB41-X0513- YV1181...
  • Page 147 PNEUMATIC DEVICES Symbol Order No. Parts Name Model Q'ty Maker U40452A SC3W-8-8 SPEED CONTROLLER HCM-LB-40B-5 U41467A AIR CYLINDER HCM-LB-40B-7 U41465A AIR CYLINDER HCM-LB-40B-9 U41470A AIR CYLINDER RA800-8-PGB REDUCING VALVE 2MW2-8A METARING VALVE WITH SILENCER YV1010, 4GB240-08-B-3 YV1011 SOLENOID VALVE YV1330, 4GB240-08-B-3 YV1331 SOLENOID VALVE...
  • Page 148 PNEUMATIC DEVICES Symbol Order No. Parts Name Model Q'ty Maker GWL-8-8-FL338 ORIFICE U40089A SC3W-8-8 SPEED CONTROLLER U40089A SC3W-8-8 SPEED CONTROLLER U40089A SC3W-8-8 SPEED CONTROLLER U40089A SC3W-8-8 SPEED CONTROLLER...
  • Page 149 PNEUMATIC DEVICES 16-7 NL3000/2000, NL3000/3000 Air Circuit Diagram (NL3000/2000, NL3000/3000) (Q41073 002) Automatic Tool Tailstock Spindle Presetter Air Blow Tool Tip Air Blow Sensor Air Blow Air Blow Chuck Air Blow Probe Sensor Air Blow (Chuck) (Option) (Option) (Option) (Option) (Option) (Option) 0.3 Mpa...
  • Page 150 PNEUMATIC DEVICES Symbol Order No. Parts Name Model Q'ty Maker APS-60-FL346 PRESSURE SWITCH F3000-10-FB AIR FILTER YV2301 U40624A AB41-X0651-D SOLENOID VALVE C24V YV1061 U40624A AB41-X0651-D SOLENOID VALVE C24V YV2701 U40624A AB41-X0651-D SOLENOID VALVE C24V YV1071 U40624A AB41-X0651-D SOLENOID VALVE C24V YV1071 U40624A AB41-X0651-D...
  • Page 151 PNEUMATIC DEVICES Symbol Order No. Parts Name Model Q'ty Maker U49214B R3-301982 PNEUMATIC UNIT SET M3000-10-F1S AIR FILTER M3000-10-F1 AIR FILTER FAB41-X1360-F YV2511 L262666-DC24 SOLENOID VALVE B2019-2C-FL2 REDUCING VALVE 58749 SC3W-8-6 SPEED CONTROLLER...
  • Page 152 ELECTRICAL CABINET ELECTRICAL CABINET 17-1 Electrical Cabinet View Battery Box 17-2 Opening/Closing Electrical Cabinet Door Precautions when Opening/Closing Electrical Cabinet Door DANGER Prior to performing electrical cabinet maintenance and inspections, take care to ensure the plant-side power supply (circuit breaker) is turned OFF. Even when the main power switch on the electrical cabinet is turned OFF, parts in the cabinet may still hold residual current resulting in an electric shock if touched accidentally.
  • Page 153 WARNING When an alarm is triggered, it is necessary to open the electrical cabinet while the power is supplied for maintenance purposes. Contact the Mori Seiki Service Department for assistance as specialized knowledge is required for this purpose. All activities and procedures for responding to the alarm...
  • Page 154 ELECTRICAL CABINET 2) Insert a screwdriver into the lock release screw hole provided on the main power switch and open the door while turning the screwdriver CW. Lock Release Screw Hole <Closing Electrical Cabinet Door with Main Power ON> <Procedure> 1) Close the electrical cabinet door.
  • Page 155 WARNING When an alarm is triggered, it is necessary to open the electrical cabinet while the power is supplied for maintenance purposes. Contact the Mori Seiki Service Department for assistance as specialized knowledge is required for this purpose. All activities and procedures for responding to the alarm...
  • Page 156 ELECTRICAL CABINET 2) Turn the two electrical cabinet door keys CW to lock the door. 3) Turn the electrical cabinet door interlock key-switch to the [ON]. Main Power Switch in Electrical Cabinet Main Power Switch on Inside of Door 17-3 Cleaning Electrical Cabinet Fan DANGER Prior to opening the electrical cabinet door, take care to...
  • Page 157 ELECTRICAL CABINET NOTE Support the fan body with your hand not to drop it when the screws are removed. Power Connector Securing Board Fan Guard 7) Clean the fan guard and fan. 8) If the stains are heavily ingrained, wipe them off using a cloth dampened with a small quantity of neutral detergent.
  • Page 158 I/O device such as a memory card or USB memory. Mori Seiki is not liable for problems that result from destroyed programs or lost data that have not been backed up.
  • Page 159 CHIP CONVEYOR (OPTION) CHIP CONVEYOR (OPTION) 18-1 Precautions when Using Chip Conveyor WARNING Do not operate the chip conveyor or perform maintenance and inspections without reading and obtaining a thorough understanding of the contents of the chip conveyor instruction manual published separately.
  • Page 160 CHIP CONVEYOR (OPTION) WARNING Before placing rags on the conveyor belt, disconnect power. [Entanglement of hands or feet/Serious injury] 4) Press the chip conveyor button [FOR] (Forward). [The indicator is illuminated.] 5) Keep pressing the chip conveyor button [FOR] (Forward). [The chip conveyor moves forward to discharge chips and rags out of the machine only when the button is pressed.] NOTE...
  • Page 161 CHIP CONVEYOR (OPTION) 18-4 Adjusting Chip Conveyor Belt WARNING Turn OFF the main power. [Entanglement of hands or feet, serious injury] View A Side Wing Wing Guide View B Belt Drive Cover View A Tight Loose View B Loose Lock Nut Belt Tight Adjusting Bolt...
  • Page 162 CHIP CONVEYOR (OPTION) <Procedure> 1) Turn OFF the main power. 2) Remove the drive cover. 3) Remove the parts A. 4) Loosen the lock nut. 5) Adjust the tension in the belt by rotating the adjusting bolt. NOTE Adjust the tension of the belt and make the gap between the side wing and wing guide even on either side (Figure B).
  • Page 163 HIGH PRESSURE COOLANT UNIT (OPTION) HIGH PRESSURE COOLANT UNIT (OPTION) WARNING Do not operate the high pressure coolant unit or perform maintenance and inspections without reading and obtaining a thorough understanding of the contents of the operation manual provided with the high pressure coolant unit.
  • Page 164 HIGH PRESSURE COOLANT UNIT (OPTION) 19-2 Cleaning Notch Clean Filter Handle Notch Clean Filter Gate Valve <Procedure> 1) Turn the handle in the arrow direction several times. 2) In order to drain coolant, hold the valve halfway open when the machine is running and hold the valve fully open when the machine is not running.
  • Page 165 HIGH PRESSURE COOLANT UNIT (OPTION) For coolant type and further details of the procedure, refer to the operation manual provided with the high pressure coolant unit. 19-4 Cleaning Coolant Tank Separator Cover Clean Tank Dirty Tank Drain Pan Drain Valve <Procedure>...
  • Page 166 HIGH PRESSURE COOLANT UNIT (OPTION) 19-5 High Pressure Pump Oil Replacement and V-Belt Inspection Fill Port Plug Oil Level Gage V-Belt Drain Plug Rear Cover Drain Tube <Procedure> 1) Remove the rear cover. WARNING Prior to removing the rear cover, turn OFF the main power.
  • Page 167 2èÕ CHAPTER 2 TROUBLESHOOTING CHAPTER 2...
  • Page 168 ALARM MESSAGE INPUT/OUTPUT SIGNAL CONFIRMATION PROCEDURE MALFUNCTIONS AT MAIN POWER ON WHEN BATTERY REPLACEMENT REQUESTED ZERO POINT RETURN COMMAND ALARM TRIGGERED SOFT-OVERTRAVEL ALARM COOLANT UNIT PROBLEMS HYDRAULIC UNIT ALARMS LUBRICATING UNIT ALARMS OIL TEMPERATURE CONTROLLER ERRORS ALARM RELATED TO TURRET WHEN SUB-STANDARD MACHINING OCCURS WORKING WITH SHORTER WORKPIECES (THE STEADY REST SPECIFICATIONS) TOOL PRESETTER STYLUS BREAK STEM REPLACEMENT...
  • Page 169 ALARM MESSAGE ALARM MESSAGE When an alarm occurs, a message appears on the screen on the NC operation panel. Note the number and the details of the alarm, which are necessary when contacting with the Mori Seiki Service Department. NC Alarm Numerical controller (NC) related alarms, including failed programming, servomotor or servo amplifier malfunctions.
  • Page 170 INPUT/OUTPUT SIGNAL CONFIRMATION PROCEDURE INPUT/OUTPUT SIGNAL CONFIRMATION PROCEDURE When machine malfunctions occur, confirm the cause of the problem by checking the status of input and output signals on the diagnostic screen. For reference purposes, a system outline for NL-series machines is shown below. Input Signal from Machine Button Proximity Switch...
  • Page 171 All procedures are to be performed with extreme care by licensed electrical technicians with maintenance experience in strict accordance with the recommendations of the Mori Seiki Service Department. <Confirmation> 1. Plant-side main breaker is turned ON. 2. Main power is turned ON.
  • Page 172 ‘OPEN THE DOOR THEN CLOSE’ Display does Not Disappear when Door Opened/Closed The primary cause is a door lock device malfunction. If unable to determine the cause after the following confirmation, contact the Mori Seiki Service Department for assistance. <Confirmation> 1. Check the door lock mounting position for gaps or warping.
  • Page 173 This alarm is triggered when the door unlock signal (Y54) is turned OFF but door lock completion signal (X62) is not turned ON. Contact the Mori Seiki Service Department as specialized knowledge is required for confirmation. All procedures are to...
  • Page 174 MALFUNCTIONS AT MAIN POWER ON 2. AP-DTP KAD23 2. The relay (KAD23) on AP-DTP board is OFF. YV1261 3. The door lock mechanism coil (YV1261) is OFF. SQ73 4. The door lock mechanism confirmation switch (SQ73) is turned ON. & SQ38 5.
  • Page 175 WHEN BATTERY REPLACEMENT REQUESTED WHEN BATTERY REPLACEMENT REQUESTED When the screen displays the message requesting battery replacement or any of the battery low voltage alarms, change the NC memory back-up battery and the servo absolute position sensing battery. Continued usage of the machine without replacement of the batteries while the alarms are displayed may cause the memory data and servo motor position data to be lost.
  • Page 176 0001 [n]’ ‘DETECTOR ERROR 0001 [n]’ ‘ 0001 [n]’ ‘ABS. WARNING 0001 [n]’ ‘ 0001 [n]’ NOTE “n” The name of the axis is indicated in “n”. If the (n-axis) is unclear for indication, contact the Mori Seiki service department.
  • Page 177 I/O device such as a memory card or USB memory. Mori Seiki is not liable for problems that result from destroyed programs or lost data that have not been backed up.
  • Page 178 WHEN BATTERY REPLACEMENT REQUESTED <Procedures to Clear Alarms> After completing the battery replacement, clear the alarms in the following flowchart and reset the accumulate time. “ ” 180...
  • Page 179 WHEN BATTERY REPLACEMENT REQUESTED Press the @ (RESET) key when the machine operation is in ready status and the status indicator MRDY (machine ready) is illuminated. Is the battery alarm displayed? Turn OFF the NC power. Display the screen requesting battery replacement. Function selection key l (SYSTEM) Turn OFF the main power.
  • Page 180 ZERO POINT RETURN COMMAND ALARM TRIGGERED ZERO POINT RETURN COMMAND ALARM TRIGGERED ‘Z70 0001 X’ The recovery procedure for the alarm ‘Z70 ABS. ILLEGAL 0001 X’ (Axis name) is outlined below, using the X-axis as an example. <Procedure> ‘Z70 1) Press the function selection key (MESSAGE), and 0001 X’...
  • Page 181 ZERO POINT RETURN COMMAND ALARM TRIGGERED <X-Axis> <Z-Axis> <Y-Axis>...
  • Page 182 ZERO POINT RETURN COMMAND ALARM TRIGGERED <Tailstock Spindle/Headstock 2> 5) Display the Actual Position Setting screen Function selection key D NC (SYSTEM) D [NC SYSTEM] D [MENU]D [ABS-SRV] D (Next Page) NOTE ‘ ’ When the zero point position has been established, the ‘STATE’ ‘OK’...
  • Page 183 ZERO POINT RETURN COMMAND ALARM TRIGGERED WARNING Do not stand near moving machine parts during a zero point return operation. Before starting a zero point return operation, always confirm that there are no personnel or obstacles near moving parts. Failure to observe these warnings may result in serious injury or damage to the machine;...
  • Page 184 SOFT-OVERTRAVEL ALARM SOFT-OVERTRAVEL ALARM Software limit positions are set with parameters or a program. If an axis is fed beyond its limit, the following alarm occurs, stopping the axis feed. This alarm is called as the “ ” “soft-overtravel alarm”. •...
  • Page 185 Note: Press the (RESET) key after replenishing coolant. If the alarm is not reset after pressing the (RESET) key, contact the Mori Seiki Service Department for assistance. When Coolant Spills on the Floor If coolant spills on the floor, one or both of the following maintenance inspections may not have been properly performed.
  • Page 186 COOLANT UNIT PROBLEMS Coolant Pump Operation Check Check if the coolant pump is rotating in the direction of the arrow on the pump. NOTE 1. If the pump is rotating in the opposite direction, wiring is connected in the reverse phase. Confirm the machine main breaker and plant-side connections.
  • Page 187 COOLANT UNIT PROBLEMS 4) Remove the strainer. M6 Hexagon Socket Head Cap Screws Strainer 5) If clogged, clean the strainer. 6) If chips have accumulated inside the strainer holder, remove them with a clean and dry cloth. 7) Reverse the above procedure to reassemble the pump. 8) Operate the coolant pump to confirm coolant is supplied.
  • Page 188 COOLANT UNIT PROBLEMS NOTE If the coolant nozzle cannot be unclogged, contact the Mori Seiki Service Department for assistance. Coolant Nozzle (Turning Specifications) Coolant Nozzle (Milling Specifications)
  • Page 189 COOLANT UNIT PROBLEMS When the Coolant Pump is Not Operating Perform troubleshooting checks and recovery using the following procedure. QM63 AC DC 24 V AC DC 24 V AC DC 200 V AC DC 200 V AC DC 200 V...
  • Page 190 COOLANT UNIT PROBLEMS Pump motor not rotating. coolant button 7 [ON] (On) on the operation panel illuminated? Door closed? Close door. Recovery Recovery Machine in emergency stop Release emergency stop. condition? Recovery Reset (turn ON) the motor breaker (thermal relay) Motor breaker (thermal relay) QM63 turned ON? and check the result.
  • Page 191 Cause Reference Items “ ” 186 Coolant pump strainer clogging “Coolant Pump Strainer Clogging” (page 186) Malfunction of check valve Contact the Mori Seiki Service Department for assistance. Malfunction of coolant pumps Contact the Mori Seiki Service Department for assistance.
  • Page 192 HYDRAULIC UNIT ALARMS HYDRAULIC UNIT ALARMS ‘EX2568 ’ ‘EX2568 (HYDRAULIC UNIT ALARM)’ 3.5 MPa NL1500/2000 4.0 MPa NL2500/3000 “ ” 96 “ ” 94...
  • Page 193 Mori Seiki Service Department. Cleaning Suction Strainer Recovery No Recovery If alarm condition not released, contact the Mori Seiki Service Department for assistance. Refer to “Cleaning Suction Strainer and Tank” (page 96) “Checking Oil Level/Replenishing Oil” (page 94) Alarm Not Triggered but Hydraulic Unit Operation Abnormal “...
  • Page 194 “Cleaning Suction Strainer and Tank” (page 96) generated Pressure fluctuation Item 2 Pump component damage/wearing Contact the Mori Seiki Service Department for assistance. Oil leakage from connections Tighten connections. Oil leakage Hose deterioration, damage Contact the Mori Seiki Service Department for assistance.
  • Page 195 LUBRICATING UNIT ALARMS LUBRICATING UNIT ALARMS ‘EX0562 ’ ‘EX0562 (LUBRICANT PRESSURE LOW)’ “ ” 57 “ ” 130 “ ” 197 “ ” 199 “ ” 197 “ ” 199...
  • Page 196 No Recovery Disassembling/Cleaning/Adjusting Relief Valve Recovery No Recovery Contact the Mori Seiki Service Pump Malfunction Department for assistance. Refer to For the mounting position of the lubricating unit, refer to “MAINTENANCE ROUTE MAP” (page 57) “Cleaning Lubricant Tank, Suction Filter and Fill Port Filter” (page 130) “Lubricating Unit Relief Valve Disassembly/Cleaning”...
  • Page 197 LUBRICATING UNIT ALARMS Checking Lubricating Unit Operation Check whether the cause of the abnormal pressure in the lubricating unit is in the lubricating unit or piping by checking the lubricating unit operation. <Procedure> 1) Remove the line filter discharge piping. 2) Place a plug over the line filter discharge outlet.
  • Page 198 LUBRICATING UNIT ALARMS WARNING Turn OFF the main power. Relief Valve Lock Nut Valve Adjusting Screw Tapered Threaded Section Relief Valve Disassembly <Procedure> 1) Detach the relief valve from the pump using a single-ended wrench. 2) Loosen the lock nut and remove the adjusting screw. 3) Clean the disassembled relief valve with compressed air and kerosene.
  • Page 199 NOTE 1.2 MPa If unable to set the pressure to 1.2 MPa, the pump is malfunctioning. Contact the Mori Seiki Service Department for assistance. c) Tighten the lock nut after adjustment. 2) After adjusting the relief valve, remove the cap and reconnect the pump discharge piping.
  • Page 200 2) Check if visible discharge piping connections are loose or piping is damaged. NOTE To check piping and piping connections that are not visible for looseness or damage, contact the Mori Seiki Service Department for assistance.
  • Page 201 Main power not supplied, or wiring to Department for assistance. — on operation panel not power source (L1, L2) disconnected. illuminated.) Lamp is not illuminated Replace the lamp. (For required when controller is Lamp defective. parts, contact the Mori Seiki Service — operating. Department for assistance.)
  • Page 202 Piping on suction side of pump Check the piping seals and tighten if loose. necessary. If the malfunction continues to occur, — contact the Mori Seiki Service Department for assistance. Suction strainer clogged. Clean suction strainer. — Change oil in oil tank if —...
  • Page 203 ALARM RELATED TO TURRET ALARM RELATED TO TURRET 11-1 ‘EX0357 ’ ‘EX0357 (TURRET INDEX TIME OVER)’ When turret indexing is not completed within the time specified, possible causes include relay, solenoid valve or proximity switch malfunction or wiring disconnection. Perform confirmation and recovery according to the following procedure.
  • Page 204 No Recovery No Recovery Confirm proximity switch Confirm proximity switch (SQ214) operation, and (SQ14) operation, and Recovery Recovery adjust or replace as adjust or replace as necessary. necessary. No Recovery No Recovery Contact the Mori Seiki Service Department for assistance.
  • Page 205 WHEN SUB-STANDARD MACHINING OCCURS WHEN SUB-STANDARD MACHINING OCCURS 12-1 Adjusting Machine Level If we consider the machine body, a reduction in machining precision is caused primarily by incorrect machine level adjustment. Using a level, measure the machine horizontal level and degree of twisting. “...
  • Page 206 WHEN SUB-STANDARD MACHINING OCCURS ‘ ’ ‘ ’ 5) Display the ‘CURRENT POSITION’ (‘RELATIVE’) screen using the following procedure. Function selection key (POS) D [REL.] “‘ ’ ‘ ’ ” Separate volume, OPERATION MANUAL “‘CURRENT POSITION’ (‘RELATIVE’) Screen” a) Press the [ORIGIN] soft-key. U, W b) Press the [TOTAL AXIS] soft-key.
  • Page 207 WHEN SUB-STANDARD MACHINING OCCURS 5) Using the manual pulse generator, bring the lever type dial test indicators stylus into contact with the workpiece and “0” set the scale to “0”. 6) Turn OFF the main power. 7) Remove the 4 screws and remove the machine front cover. 8) Remove the 6 screws and remove the machine left side upper cover.
  • Page 208 WHEN SUB-STANDARD MACHINING OCCURS 11) As shown in the diagram below, headstock inclination is adjusted by loosening/tightening the 2 hexagon socket set screws with a hex wrench. Using the lever type dial test indicators as a reference, gradually adjust the inclination of the headstock.
  • Page 209 WHEN SUB-STANDARD MACHINING OCCURS <Procedure> 1) Open the door. 2) Using a magnet stand, mount a lever type dial test indicators on the spindle head. 3) Using the manual pulse generator, bring the lever type dial test indicators stylus into contact with the turret head “0”...
  • Page 210 WHEN SUB-STANDARD MACHINING OCCURS 9) Remove the 5 screws and remove the saddle side cover. Z-Axis Protector Saddle Side Cover 10) Remove the 6 hexagon socket head cap screws securing the turret front cover and remove the turret front cover. 11) Remove the 9 hexagon socket head cap screws (NL3000: NL3000 4 4) securing the turret side cover and remove the turret...
  • Page 211 WHEN SUB-STANDARD MACHINING OCCURS NL3000 6 13) Using a hex wrench, loosen the 7 hexagon socket head cap screws (NL3000: 6) securing the turret sufficiently to enable adjustment. 14) Loosen the 2 hexagon socket head cap screws at the base of the turret using a hex wrench.
  • Page 212 WHEN SUB-STANDARD MACHINING OCCURS 19) Observing the lever type dial test indicators, move the turret in the Z-axis direction using the manual pulse generator to confirm the degree of inclination. If necessary perform steps 13) to 16) again to readjust. “...
  • Page 213 WHEN SUB-STANDARD MACHINING OCCURS 6) Using the manual pulse generator, move the X-axis the travel amount shown in the table below to align the boring bar holder and spindle rotation centerlines. Model Travel Distance (mm) NL1500 NL2000 NL2500 NL3000 7) Using the manual pulse generator, bring the lever type dial “0”...
  • Page 214 WHEN SUB-STANDARD MACHINING OCCURS 12) Remove the 5 screws and remove the saddle side cover. Z-Axis Protector Saddle Side Cover 13) Remove the 6 hexagon socket head cap screws securing the turret front cover and remove the turret front cover. 14) Remove the 9 hexagon socket head cap screws (NL3000: NL3000 4 4) securing the turret side cover and remove the turret...
  • Page 215 25) Remount the maintenance cover. NOTE Following adjustment, the point determined in step 6) must be set in the parameters as the X-axis reference position. Contact the Mori Seiki Service Department for assistance in performing this procedure. 12-5 Tailstock Center Adjustment...
  • Page 216 WHEN SUB-STANDARD MACHINING OCCURS 2) Open the door. 3) Clamp an appropriate sized workpiece in the chuck and prepare a lever type dial test indicators mounting jig to the dimensions shown in the diagram below. 4) Mount a lever type dial test indicators on the jig. NOTE Mounting a lever type dial test indicators on the spindle with a magnet stand will result in measurement inaccuracy due to...
  • Page 217 WHEN SUB-STANDARD MACHINING OCCURS 8) Using a hex wrench, loosen the 4 hexagon socket head cap screws securing the tailstock. 9) Using a hex wrench, loosen the give adjustment screw on the turret side of the tailstock. NOTE NL3000 On NL3000 specification machines, loosen the turret side give adjustment screw and tighten the operator side adjustment screw.
  • Page 218 WHEN SUB-STANDARD MACHINING OCCURS NOTE NL3000 For NL3000 specifications, tighten both operator side and turret side gib adjustment screws. Gib Adjustment Screw 14) Tighten the 4 hexagon socket head cap screws securing the tailstock. 15) As in step 7), confirm the center adjustment of the tailstock. If necessary, repeat steps 8) to 14) to readjust.
  • Page 219 WHEN SUB-STANDARD MACHINING OCCURS <Procedure> 1) X/Z X/Z/Y 1) Perform a zero point return of the X- and Z-axes (Y-axis specifications: X/Z/Y-axes). 2) Open the door. 3) Using the manual pulse generator, move headstock 2 into an easily accessible position. 4) Turn OFF the main power.
  • Page 220 WHEN SUB-STANDARD MACHINING OCCURS 13) Confirm headstock 2 centerline deviation according to the following procedure. a) Bring the lever type dial test indicators stylus into “0” contact with the workpiece and set the scale to “0”. b) Turn the spindle a single rotation by hand and confirm the tailstock center deviation.
  • Page 221 WHEN SUB-STANDARD MACHINING OCCURS 16) To loosen the gib, strike the gib plate at the base of headstock 2 on the operator side lightly with a hammer and rod as shown in the diagram below. 17) While observing the lever type dial test indicators, adjust headstock 2 according to the following procedure.
  • Page 222 WHEN SUB-STANDARD MACHINING OCCURS 18) Confirm that the tailstock has been adjusted the required distance using the lever type dial test indicators. Repeat step 17) until the adjustment reaches the required distance. 19) Using a hex wrench, tighten the gib adjustment screw on the turret side.
  • Page 223 WORKING WITH SHORTER WORKPIECES (THE STEADY REST SPECIFICATIONS) WORKING WITH SHORTER WORKPIECES (THE STEADY REST SPECIFICATIONS) To process workpieces without using the steady rest, the chuck and the tailstock can be brought closer to each other. After removing the steady rest, follow the procedure below to replace the protector with the connecting covers that are supplied with the machine.
  • Page 224 WORKING WITH SHORTER WORKPIECES (THE STEADY REST SPECIFICATIONS) NOTE The connecting covers can be mounted on either the steady rest (bolt tightening type) or the automatic centering type steady rest (bolt tightening type). Clamp Bolt Tailstock Bed of the Steady Rest Protector Connecting Cover B...
  • Page 225 WORKING WITH SHORTER WORKPIECES (THE STEADY REST SPECIFICATIONS) 2) Loosen the clamp bolt. (a) 3) Remove the protector. a) Push the bed of the steady rest toward the tailstock by hand and stop just before the protector reaches its smallest size. (b) b) Remove all the six hexagon socket head cap screws securing the protector.
  • Page 226 TOOL PRESETTER STYLUS BREAK STEM REPLACEMENT TOOL PRESETTER STYLUS BREAK STEM REPLACEMENT Stylus (Break Stem Installed Internally) The stylus break stem device protects the stylus from deformation and sensor damage by collapsing in the event of excessive pressure or jolting due to interference between the stylus and the tool.
  • Page 227 TOOL PRESETTER STYLUS BREAK STEM REPLACEMENT 6) Insert a hex wrench into the hole in the base and turn counterclockwise to remove the stylus break stem. Break Stem E-2197-0150 7) Mount a new stylus break stem. 8) Remount the stylus. 14-1 Adjusting Stylus After changing the stylus break stem, the stylus position must...
  • Page 228 TOOL PRESETTER STYLUS BREAK STEM REPLACEMENT 3) Move the tool tip to the positive direction contact face of the stylus in the Z-axis direction and stop it immediately before the contact. “ Refer to the separate volume, OPERATION MANUAL ” “Installing and Removing the Manual In-machine Tool Presetter Arm (Detachable Type)”...
  • Page 229 TOOL PRESETTER STYLUS BREAK STEM REPLACEMENT 4) If the stylus is not accurately set parallel to the Z-axis, turn the stylus so that it is parallel to the Z-axis. a) M3 a) Loosen the M3 socket set screw. b) Turn the stylus to adjust its parallelism with the Z-axis. c) M3 c) Tighten the M3 socket set screw.
  • Page 230 REMOVING CHIPS ENTANGLED IN WORKPIECE REMOVING CHIPS ENTANGLED IN WORKPIECE WARNING Stop the machine before removing chips inside it during operation. Stop the machine and coolant supply before adjusting the direction or volume of coolant supply. [Entangled or crushed by the moving parts] Stop spindle rotation before opening the front door during automatic operation.
  • Page 231 REMOVING CHIPS ENTANGLED IN WORKPIECE CAUTION If the tailstock spindle is retracted, the workpiece is held only by the chuck and the workpiece may fall.After the completion of the machining, make sure that the workpiece is supported not to fall from the chuck if the tailstock spindle center retracts from the workpiece.
  • Page 233 0001[n] 0001[n] EX0069 EX0357 EX0451 EX0457 EX0562 EX0578 EX1557 EX2561 EX2562 NC EX2568 NL1500, NL2000 133, 138 NL2500, NL3000 009F[n] 0001[n] 0001[n] 0001[n] EX2561 EX2562 NC 009F[n] 0001[n]...
  • Page 234 NL1500, NL2000, NL2500, NL3000/700, NL3000/ 1250 NL3000/2000, NL3000/3000 226, 230...
  • Page 235 226, 230 152, 154 153, 154 153, 155 154, 155 NL1500, NL2000 NL2500/700 “ ” NL2500/1250 NL3000/700 NL3000/1250...
  • Page 236 NL3000/2000, NL3000/3000 NL1500, NL2000, NL2500, NL3000/ 700, NL3000/1250 NL3000/2000, NL3000/ 3000 NL1500, NL2000, NL2500/700, NL3000/700, NL3000/2000, NL3000/3000 NL2500/1250, NL3000/ 1250...
  • Page 237 INDEX INDEX Page Page Cleaning Coolant Tank and Filter (Chip Conveyor Right Side Discharge Specifications) Abnormal Sounds emitted from Coolant Pump Cleaning Electrical Cabinet Fan Adjusting Chip Conveyor Belt Cleaning Inside Machine Adjusting Coolant Discharge Rate Cleaning Line Filter Adjusting Machine Level Cleaning Lubricant Tank, Suction Filter and Fill Port Filter Adjusting Oil Skimmer Separation Tank Drain (Option) Adjusting Oil Supply Quantity...
  • Page 238 INDEX Page Page Flow of Coolant and Positions where Used (Chip Conveyor LIMIT SWITCH/SOLENOID VALVE INSTALLATION Rear Discharge Specifications) POSITIONS Flow of Coolant and Positions where Used (Chip Conveyor Limit Switch/Solenoid Valve List Right Side Discharge Specifications) Locked-In Prevention Key Flow of Cooling Oil and Positions where Used (NL1500, LUBRICATING UNIT NL2000, NL2500/700, NL3000/700, NL3000/2000, NL3000/...
  • Page 239 INDEX Page Page PRECAUTIONS FOR OPERATORS Spindle Warm-Up after Extended Idle Period Precautions when Opening/Closing Electrical Cabinet Stroke amount Door Stylus Precautions when Operating Special Specification Suction Pressure Inspection and Adjustment Machines Precautions when Performing Maintenance Work Precautions when Performing Maintenance Work on Pneumatic Devices Tailstock Center Adjustment Precautions when Selecting Coolant...
  • Page 241 Comments can also be submitted using the http://www.moriseiki.com company website at http://www.moriseiki.com. MAINTENANCE MANUAL Name of Manual HX-NL_4-C2JPEN Number of Revisions Name Company Department Telephone Address Chapter Page Line Comments/Requests For Mori Seiki's Use - Do not write below this line. Description Received by Reception No.
  • Page 243 MORI SEIKI ITALIANA S.R.L. MORI SEIKI ESPAÑA S.A. MORI SEIKI Moscow LLC DMG / MORI SEIKI Turkey (DMG MOR SE K STANBUL MAK NE T CARET VE SERV S L M TED RKET ) <ASIA / OCEANIA> DMG / MORI SEIKI Singapore (DMG MORI SEIKI SOUTH EAST ASIA PTE. LTD) DMG / MORI SEIKI Malaysia (DMG MORI SEIKI (Malaysia) Sdn.
  • Page 244 Technical Centers Mori Seiki France Sud-Est S.A.S., Prague <NORTH AMERICA / SOUTH AMERICA> MORI SEIKI ITALIANA S.R.L. DMG / Mori Seiki USA (MORI SEIKI U.S.A., INC.) Head Office & Technical Center Head Office Via Riccardo Lombardi N. 10, 20153 Milano, Italy 2400 Huntington Blvd.
  • Page 245 <ASIA / OCEANIA> DMG / MORI SEIKI India (DMG Mori Seiki India Machines and Services Pvt Ltd) DMG / MORI SEIKI Singapore (DMG MORI SEIKI SOUTH EAST ASIA PTE. LTD) Head Office Parimala Towers 64, Jalahalli Camp Cross, Head Office & Technical Center...

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