Mazak VTC-160A Maintenance Manual
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Mazak VTC-160A Maintenance Manual

Mazak VTC-160A Maintenance Manual

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Maintenance Manual
for
VTC-160A/B, VTC-200B/C & VTC-300C
(Mazatrol Fusion 640M)
Publication # C557MA0014E
3/2000
CAUTION
This Manual is published to assist experienced personnel on the operation, maintenance
and/or programming of Mazak machine tools.
All Mazak machine tools are engineered with a number of safety devices to protect
personnel and equipment from injury or damage. Operators should not, however, rely
solely upon these safety devices, but should operate the machine only after fully
understanding what special precautions to take by reading the following documentation
thoroughly.
Do not attempt to operate or perform maintenance / repair on the machine without a
thorough understanding of the actions about to be taken. If any question exists, contact
the nearest Mazak service center for assistance.
Certain covers, doors or safety guards may be open or removed to more clearly show
machine components. These items must be in place before operating the machine.
Failure to comply with this instruction may result in serious personal injury or damage to
the machine tool.
This manual was considered complete and accurate at the time of publication, however,
due to our desire to constantly improve the quality and specification of all Mazak
products, it is subject to change or modification.

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Summary of Contents for Mazak VTC-160A

  • Page 1 This Manual is published to assist experienced personnel on the operation, maintenance and/or programming of Mazak machine tools. All Mazak machine tools are engineered with a number of safety devices to protect personnel and equipment from injury or damage. Operators should not, however, rely...
  • Page 2 Return to Library Notes:...
  • Page 3 Return to Library VTC-200B, 200C & 300C Maintenance ..........SAFETY PRECAUTIONS ..............LOCKOUT PROCEDURE ................. INSTALLATION PRECAUTIONS ..............WARNINGS ....................... 1 INTRODUCTION ................1-1 List of Related Manuals and Documents ............ 1-2 Pagination ....................1-3 Numbering of Figures and Tables ...............
  • Page 4 Return to Library 4 REGULAR INSPECTION ..............4-1 General ....................... 4-2 Table of Inspection and Maintenance Items ..........4-3 Daily Inspection and Maintenance .............. 4-3-1 Inside the Machine ..................... 4-3-2 Outside the Machine ....................4-3-3 Checking Oil Levels ....................4-3-4 Checking Pressures (Hydraulic and Air) ..............
  • Page 5 Return to Library 5-3 ATC Magazine .................... 5-3-1 Troubleshooting ......................5-3-2 Construction of the ATC Magazine ................5-4 Hydraulic System ..................5-4-1 Troubleshooting ......................5-4-2 Maintenance of the Hydraulic Unit ................5-4-3 Hydraulic Circuit Diagram ..................5-5 Pneumatic System ..................5-5-1 Troubleshooting ......................
  • Page 6 Return to Library 6-2 Preparing for Installation ................6-2-1 Environmental Requirements ..................6-2-2 External Power Source Requirements ............... 6-2-3 Air Source Requirements ................... 6-2-4 Items to Be Confirmed when Carrying the Machine ........... 6-2-5 Foundation Work ......................6-3 Installation ....................6-3-1 Precautions on Installation ..................
  • Page 7 Return to Library SAFETY PRECAUTIONS 6) Do not deface, scratch or remove any caution The machine is provided with a number of safety plate. Should it become illegible or missing, devices to protect personnel and equipment from order another caution plate from the supplier, injury and damage.
  • Page 8 Return to Library • AFTER CONTROL POWER IS TURNED ON CAUTION: When the control power “ON” switch on the 4) Tools and other items around the machine or operating panel is on, the "READY" lamp on equipment should be stored to ensure good the operating panel should also be on (check to footing and clear aisles.
  • Page 9 Return to Library CAUTION: CAUTION: 1) Thoroughly read and understand the safety precautions in the instruction manual. 1) During automatic operation, never open the 2) Thoroughly read whole maintenance machine door. Machines equipped with the manual and fully understand the principles, door interlock will set the program to single construction and precautions involved.
  • Page 10 Return to Library WARNING ALWAYS TURN THE MAIN CIRCUIT BREAKER TO THE “OFF” POSITION & USE AN APPROVED LOCKOUT DEVICE WHEN COMPLETING MAINTENANCE OR REPAIRS. THE LOCKOUT PROCEDURE THAT FOLLOWS IS INTENDED TO SAFEGUARD PERSONNEL & EQUIPMENT DURING MAINTENANCE OPERATIONS, AND, REPRESENTS THE MINIMUM REQUIREMENTS.
  • Page 11 Ambient temperature during machine accuracy alignment operation: 0° thru 45°C (32°F to 113°F). specifications quoted by Mazak can usually 2) Avoid areas where the humidity fluctuates be obtained when the minimum foundation greatly and/or if high humidity is present; requirements are met.
  • Page 12 Return to Library • WIRING 1) Use only electrical conductors with performance ratings equivalent or superior. 2) Do not connect any power cables for devices Desirable Independent Grounding: which can cause line noise to the power distribution panel, such as arc welders and high frequency machinery.
  • Page 13 In such cases, the machine tool end user is required to supply the necessary circuit breaker or switching device. FAILURE TO COMPLY CAN RESULT IN PERSONAL INJURY AND DAMAGE TO THE MACHINE. IF ANY QUESTION EXISTS, CONTACT THE NEAREST MAZAK SERVICE CENTER FOR ASSISTANCE.
  • Page 14 TOOL TO IDENTIFY THE REQUIRED PARAMETERS TO CHANGE. FAILURE TO COMPLY WITH THESE INSTRUCTIONS COULD RESULT IN DAMAGE TO THE MACHINE, SERIOUS INJURY OR DEATH. IF ANY QUESTIONS EXIST, CONTACT THE NEAREST MAZAK SERVICE CENTER FOR ASSISTANCE. WARNING MAZAK MACHINES ARE ENGINEERED WITH A NUMBER OF SAFETY DEVICES TO PROTECT PERSONNEL AND EQUIPMENT FROM INJURY AND DAMAGE.
  • Page 15 MAINTENANCE AND DETAIL SPECIFICATION DOCUMENTATION SUPPLIED WITH THE MACHINE AND BY THE TOOLING MANUFACTURER. NOTE: THE MAXIMUM INSERT WEIGHT FOR MAZAK MACHINES IS 20 gf. (0.04 lbs.). FAILURE TO COMPLY WITH THESE INSTRUCTIONS COULD RESULT IN DAMAGE TO THE MACHINE, SERIOUS INJURY OR DEATH.
  • Page 16 TO WITHSTAND CUTTING FORCES DURING WORKPIECE MACHINING. FAILURE TO COMPLY WITH THESE INSTRUCTIONS COULD RESULT IN DAMAGE TO THE MACHINE, SERIOUS INJURY OR DEATH. IF ANY QUESTIONS EXIST, CONTACT THE NEAREST MAZAK SERVICE CENTER FOR ASSISTANCE. WARNING CONFIRM PROPER WORKPIECE FIXTURING/CLAMPING, TOOL SETUP AND THAT THE MACHINE DOOR IS SECURELY CLOSED BEFORE THE START OF MACHINING.
  • Page 17 Return to Library CENGDB0551E DOOR INTERLOCK SAFTY SPEC. Determined by YMW Eng. H.Q. ‘99/9/1 Revised by YMC Prod. Eng. ’99.10.28 MACHINING CENTER SET UP SWITCH DOOR MODE O (OFF) I (ON) OPEN MANUAL Prohibit to move axis. Limit the rapid override. Max is 12%. Prohibit to start spindle running.
  • Page 18 Return to Library CENGDB0551E APPENDIX SWITCH PANEL for M640M (Machining Center) DOOR UNLOCK MACHINE SET UP SWITCH SWITCH SWITCH PANEL for M640MT/T (Turning Center) PED-EDS-001 S-12...
  • Page 19 How easy are the manuals to understand? Are the illustrations helpful? Overall, how do you rate the documentation? What did you like about the documentation? How can it be improved? RETURN TO: MAZAK Corporation Technical Publication Dept. 8025 Production Drive Florence, Kentucky 41042...
  • Page 20 Return to Library Notes:...
  • Page 21 Return to Library INTRODUCTION List of Related Manuals and Documents For this model of machine, the following manuals and documents are relevant to this model of machine. • Operating manual Describes operation procedure and other general information on operating the machine. •...
  • Page 22 Return to Library Numbering of Figures and Tables Figure numbers Figure numbers consist of the word “Fig.” followed by two numerals joined by a hyphen. The first number indicates the chapter number and the second indicate the serial number in that chapter. The figure number is followed by the title of the figure.
  • Page 23 Return to Library SAFETY PRECAUTIONS The precautions to be observed to ensure safe operation of the machine are described here. The machine must not be operated until these precautions have been thoroughly understood. Rule This section contains the precautions to be observed as to the working methods and states usually expected.
  • Page 24 Mazak and mount the replacement in the original position. (If a nameplate has been lost, obtain the part number from the “Parts List”...
  • Page 25 Return to Library Clothing and Personal Safety l Tie back long hair, which could become entangled in drive mechanisms. l Wear safety equipment (helmet, goggles, safety shoes, etc.) whenever possible. CAUTION l Always wear a helmet if there are any overhead obstacles in the work area. l Always wear a protective mask when machining magnesium alloys.
  • Page 26 Return to Library l Do not allow chips to accumulate during heavy-duty cutting since they will be hot and could start a fire. l Warm up the spindle and all of the axis motion mechanisms before operation. (Operate CAUTION the machine in the automatic mode for 10 to 20 minutes at maximum spindle speed or at 1/3 to 1/2 maximum axis motion speed.) l Write the program for the warming-up operation so as to execute the functions of the full range of machine components.
  • Page 27 Return to Library Maintenance Safety l Always switch off the main power breaker and lock it before carrying out any maintenance work. This will eliminate the possibility of the machinery being accidentally started by someone else. DANGER l After the power has been switched off for a short while, check the voltage with a multimeter or similar instrument to make sure that there is no residual voltage.
  • Page 28 Return to Library Workplace Safety l Immediately remove all water and oil spills from the floor, and dry the floor to prevent accidents. l Use strong service platforms only and make sure that nothing can slip off them. WARNING l Keep combustible materials well away from the work area and any other place where there are hot chips.
  • Page 29 Return to Library Safety Equipment This machine is provided with various safety equipment to protect the operator and the machine. The safety equipment includes interlock devices and emergency stop switches, as well as doors and covers. l The machine is provided with various devices for the operator’s safety. Never cancel any of the devices.
  • Page 30 Return to Library Safety device locations Fig. 2-1 Safety Devices Name Operator’s door interlock Magazine door interlock Pallet changer safety cover and door interlock (2 places) 2-10 Remarks on the Cutting Conditions Recommended by the NC l Before using the following cutting conditions: - Cutting conditions that are the result of the Mazatrol Automatic Cutting Conditions Determination Function WARNING...
  • Page 31 Return to Library OUTLINE OF THE MACHINE Machine Construction The machine consists of the following major units (see Fig. 3-1.). Spindle − 1 The spindle is driven by an AC inverter motor and its maximum speed is 10000 min (rpm). A cutting tool is clamped in the spindle by spring force and a hydraulic cylinder is used to force out the cutting tool from the spindle.
  • Page 32 Return to Library Air unit An external air source is connected to the air unit to supply the pressure-regulated air to operate pneumatic actuators. Refer to 5-5-3 "Pneumatic Circuit Diagram". The air unit consists of a filter (with automatic drain system), regulator (reducing valve), shut-off valve, etc.
  • Page 33 Return to Library Spindle ATC unit Magazine NC operation panel Magazine operation panel Magazine door Hydraulic unit Operator's door Table Coolant system Colum Main power disconnect switch Control panel Centralized lubrication unit Spindle cooling unit Air unit Fig. 3-1 Machine Construction - Major Units...
  • Page 34 Return to Library Axis Definition In the manuals supplied with the horizontal machining center, Model VTC-200B, the coordinate axes are defined as indicated below. Note: The coordinate axes are defined assuming that an operator is standing in front of the machine.
  • Page 35 Return to Library REGULAR INSPECTION General Regular inspection and maintenance is essential to maintain high accuracy for a long period. Therefore, regular inspection and maintenance must be given the top priority for operating the production facility. l When carrying out inspection and maintenance, keep the doors of the electric control cabinet closed unless the intended inspection or maintenance requires the door to be open.
  • Page 36 Return to Library Table of Inspection and Maintenance Items Symbol “○” indicates the inspection interval. Approximate Operating Hours Inspection/Maintenance Intervals Every 6 Every year Every 2 Refer to Weekly Monthly Items Daily months 3000 H years 60 H 250 H 1500 H 6000 H Inside the Machine...
  • Page 37 Return to Library Approximate Operating Hours Inspection/Maintenance Intervals Every 6 Every year Every 2 Refer to Weekly Monthly Items Daily months 3000 H years 60 H 250 H 1500 H 6000 H Around the Machine 1. Cleaning the exterior of the machine 4-3-6 ○...
  • Page 38 Return to Library Daily Inspection and Maintenance 4-3-1 Inside the Machine l Switch off the power before cleaning inside the machine. Clear the inside of the machine, particularly those parts indicated below, of accumulated chips, dirt and dust. Around the ATC cover Around the magazine Over the Y-axis slideway cover Operator's door window...
  • Page 39 Return to Library 4-3-2 Outside the Machine Cleaning the chip bucket and filter l If coolant, oil or other fluid gets spilled on the floor, wipe it off with a cloth and dry the floor immediately. If the floor remains wet with spilled fluid, personnel could slip over and be injured.
  • Page 40 Return to Library 4-3-4 Checking Pressures (Hydraulic and Air) Checking the hydraulic unit oil pressure 0 kgf/cm (0 PSI): With power OFF 70 kgf/cm (996.1 PSI): With power ON Checking the air pressure 5 kgf/cm (71.15 PSI) 4-3-5 Changing or Replenishing Oils Replenishing coolant (As needed) l If coolant, oil or other fluid gets spilled on the floor, wipe it off with a cloth and dry the floor immediately.
  • Page 41 Return to Library Weekly Inspection and Maintenance 4-4-1 Around the Machine Perform the following to maintain tool holding accuracy, etc. Cleaning the spindle taper hole Clean the taper hole of the spindle with clean cloth. Tightening the retention bolt Check the retention bolt for looseness and tighten it if loose. Cleaning the tool shank Clean the tool shank with clean cloth.
  • Page 42 Lubricating oil consumption amount: 5.2 cc per hour * Recommended oil: Refer to 7-1-2 “List of Oiling Points”. Note: When replenishing oil, use only the oil specified by Yamazaki Mazak. Otherwise, machine trouble and other problems will occur. 4-5-2 Around the Machine...
  • Page 43 (Amount: 10 L (2.64 gal)) Note : Do not use the air gun around the machine, or it may cause trouble to the machine. For the information of the oil specified by Yamazaki Mazak, refer to 7-1-2 "List of Oiling Points."...
  • Page 44 If an abnormality is found in the inspection, contact your local Mazak Technical Center or Mazak's distributor.
  • Page 45 Return to Library Checking the air unit drain function Mist separator Drain port Fig. 4-5 Checking the Air Unit Drain Function The automatic drain function of the mist separator is faulty in the following cases. Air is always leaking through the drain port. Corrective action: Turn the drain port in the "→...
  • Page 46 Return to Library Checking the wipers at the axis slideway cover for damage l Set the main power disconnect to the “OFF” position before entering the machine. Otherwise, you may sustain serious or fatal injury. Visually check the wipers at the X-, Y-and Z-axis slideway covers for damage. If damage is found in a wiper, change it with new one as soon as possible.
  • Page 47 Check the hoses at the rear of the machine for damage. Check the hoses for damage such as cracks, abnormal bulge, and deterioration. If any damage is found, contact your local Mazak Technical Center. Cleaning the spindle lubricating unit filters <...
  • Page 48 Changing spindle cooling fluid and cleaning the suction filters l When replenishing spindle cooling fluid, use only the cooling fluid specified by Yamazaki Mazak. Otherwise, machine trouble and other problems will occur. Change spindle cooling fluid every two years. For the specified spindle cooling fluid, refer to 7-1-2 “List of Oiling Points”.
  • Page 49 Return to Library Supply spindle cooling fluid. Observe the fluid level with the ball in the oil gauge; supply the spindle cooling fluid until the ball in the oil gauge comes to the center mark position. Fit the cap. 4-7-2 Around the Machine Cleaning the spindle lubricating unit filters (suction port) <...
  • Page 50 Return to Library (4 places) Pump Suction filter Filter clamp Tank Fig. 4-10 Cleaning the Suction Filter (2/2) Clean the suction filter. Use washing oil (kerosene, etc.) to clean the suction filter. At the same time, clean the inside of the tank with rag. 4-16...
  • Page 51 Return to Library Inspection and Maintenance before Stopping the Machine for a Long Time When stopping the machine for longer than two weeks, carry out the following inspection and maintenance. • Applying rust preventive oil • Discharging coolant • Saving the NC data Applying rust preventive oil l Switch off the power before applying rust preventive oil.
  • Page 52 Return to Library Inspection and Maintenance before Starting the Operation after Stopping the Machine for a Long Time Before restarting the machine that has been stopped for longer than two weeks, carry out the following inspection and maintenance. • Wiping off rust preventive oil •...
  • Page 53 Return to Library Uploading the NC data Before starting the operation, upload the NC data having been saved to the micro disk before stopping the machine. 4-19...
  • Page 54 Return to Library - MEMO - 4-20...
  • Page 55 If a machine trouble occurred, first check the following items and carry out inspection and maintenance according to the information described in this Chapter. If you Contact Mazak Technical Center, the results of your check will very helpful to locate the cause of the trouble.
  • Page 56 40°C (104°F). 3. Load is excessively large. Reduce load applied to the spindle. － 4. Load is excessively large. Contact Mazak Technical Center. － The spindle drive unit is defective. The spindle drive motor is defective.
  • Page 57 Check Points and Probable Causes Corrective Action Refer to • Oil leak 1. The seal in the clamp/unclamp Contact Mazak Technical Center. － cylinder has been worn. • ATC air blast is not supplied. 1. An external air source is not Connect the external air source.
  • Page 58 Check Points and Probable Causes Corrective Action Refer to • Positioning cannot be made 1. Bolts of axis drive parts (ball Contact Mazak Technical Center. － accurately. screw, coupling, linear guide, etc.) are loose. 2. The encoder in the servomotor is defective.
  • Page 59 • The magazine stop position is magazine. Manual shifted from the correct index position. 2. The magazine drive unit is Contact Mazak Technical Center. － defective. 3. The magazine rotation motor is defective. • The ATC does not operate. 1. The drive motor is faulty.
  • Page 60 3. Oil viscosity is too high. Change the oil to the specified oil. 7-1-2 4. Hydraulic unit pump or motor is Contact Mazak Technical Center. － defective. (There are no problems with the wiring.) 5. The relief valve of the hydraulic unit is defective.
  • Page 61 Return to Library 5-4-3 Hydraulic Circuit Diagram...
  • Page 62 3. Mist separator in the air unit is Change the filter element. 5-5-2 clogged. 4. Leak in the pneumatic circuit. Contact Mazak Technical Center. － 5. Air pressure switch, mounted in the spindle unit, is defective. • Air is constantly leaking through 1.
  • Page 63 Return to Library Bolt Body Hole O ring Gasket Filter element Upside down view of body Housing MC111-01143 Fig. 5-4 Changing the Filter Element < Procedure > Loose the four bolts and detach the body from the housing. Fit a new O ring to the body. Fit a new gasket to the body.
  • Page 64 Return to Library TOOL CLAMP/UNCLAMP AIR-BLAST MAGAZINE DOOR ROTARY TABLE OPEN/CLOSE SPINDLE AIR-BLAST (OPTION) (OPTION) OIL & AIR LUBRICATION FOR SPINDLE...
  • Page 65 Return to Library Part No. Part name Model Application 101A G48SV001290 Mist separator AM350-03BD（SMC) 101B G45SV000930 Regulator AR3000-03G（SMC) G50SV004890 Solenoid valve VXD-2130-03- Air supply ON/OFF 1D（SMC) SP10 G23SV000740 Pressure switch IS1000-01（SMC) Air supply ON/OFF G50SV005950 Solenoid valve VX2130-02-1D-B（SMC) Through air 101C G54SV001480 Speed controller...
  • Page 66 Check Points and Probable Causes Corrective Action Refer to • Lubricating oil is not consumed. 1. Piping is blocked. Contact Mazak Technical Center. － 2. The centralized lubrication unit pump is defective. • Lubricating oil is consumed 1. Piping is loose.
  • Page 67 • Spindle cooling fluid is consumed 1. Leak in the spindle cooling Contact Mazak Technical Center. － abnormally quickly. circuit. • Noise level gets higher.
  • Page 68 Return to Library 5-7-3 Spindle Cooling Circuit Diagram Spindle cartridge Fan cooler cooling fluid tank Fig. 5-8 Spindle Cooling Circuit Diagram 5-14...
  • Page 69 • ATC cover open • Operator’s door open • Coolant stop menu-key ON • Special tool selected 2. The coolant pump is defective. Contact Mazak Technical Center. － (There are no problems with the wiring.) 3. The solenoid valve is defective.
  • Page 70 Change the wiper. － noise is generated from the is damaged. slideway cover. 2. Slideway cover is defective. Contact Mazak Technical Center. － • ATC cover open operation does １． Insufficient capacity of Prepare and connect the air source －...
  • Page 71 Return to Library 5-9-3 Changing the Reed Switch Reed switch specifications: Part No.: R27SV000530 Type: D-A53L Manufacturer: SMC l Switch off the power before changing the reed switch. Otherwise, you may sustain serious or fatal injury. Reed switch Reed switch mounting bolt Reed switch mounting bracket...
  • Page 72 If the cause is unknown, contact － (The same alarm occurs again soon your local Mazak Technical Center. even when the thermal relay is reset after cooling the motor.) 5-10-2 Resetting the thermal relay If alarm message “AL 217 THERMAL TRIP” “AL 014 CONVEYOR THERMAL TRIP” is displayed, any of the following thermal relays is tripped.
  • Page 73 Return to Library 5-10-3 Changing the Proximity Sensor Proximity sensor Washer Nut A Bracket 10 mm (0.39 in.) Washer Gap: 0.3 - 0.5 mm Nut B (0.01 - 0.02 in.) MC111-01217 Fig. 5-13 Changing the Proximity Sensor < Procedure > Remove nuts A and B by using the wrenches and then remove the sensor from the bracket.
  • Page 74 Return to Library -MEMO- 5-20...
  • Page 75 Note 1: If the machine has to be installed near vibration-generating equipment, make foundation according to the specification of Mazak and take appropriate measures against vibration. Note 2: If the soil is weak, reinforce it by driving piles to avoid settling and subsidence of the soil...
  • Page 76 Although installation of the machine should be avoided in a dusty area or area where there is high concentration of organic or corrosive gas, if the machine must be operated under such environment, consult Mazak for appropriate measures. Vibration Allowable maximum vibration during operation: 5 m/S (0.5 G or lower)
  • Page 77 Return to Library 6-2-2 External Power Source Requirements l To connect the power supply cable to the machine, grounding of class 3* or higher is required. Grounding resistance is 100 Ω or lower. * Class 3 grounding: WARNING l Use cable conductors that meet the following requirements (200 VAC power source) Primary power cable: 38 mm...
  • Page 78 Return to Library Table 6-2 List of Total Power Requirements VTC200/300 10000 min (rpm) (standard specifications) Item Power requirement Output (kW) Remarks (kVA) NC unit …… 1 Spindle motor and Spindle motor (Continuous) servo motor (30-min rating) (10-min. rating) X-axis servo motor - (Note 1) HC153S-E51 Y-axis servo motor...
  • Page 79 Return to Library Input voltage 200V 220V Power source Power cable 38 mm (0.6 in connection cables Grounding cable 22 mm (0.3 in (Ambient temperature: 30°C (86°F) or lower) 6-2-3 Air Source Requirements Pressure 5.0 - 9.0 kgf/cm (71.2 - 128.1 PSI) Minimum discharge Standard 140 L/min (4.942 ft /min)
  • Page 80 Return to Library 6-2-5 Foundation Work l If the machine has to be installed near vibration-generating equipment, it is necessary to take appropriate measures such as providing a vibration insulation pit around the machine. l If the soil is weak, reinforce it by driving piles to avoid settling and subsidence of the soil CAUTION after the installation of a machine.
  • Page 81 Return to Library Installation 6-3-1 Precautions on Installation l Two or more workers must handle heavy objects. l Use wire rope or a sling that can bear the weight to be lifted. WARNING l The machine must be lifted properly. Lift the machine slightly off the floor to check if it is well balanced.
  • Page 82 Return to Library Machine body Fig. 6-1 Lifting the Machine...
  • Page 83 Return to Library 6-3-3 Weights of Machine Units kg (lbs) VTC-200B VTC-200C VTC-300C Machine body (standard specifications) 6100 (13725) Coolant tank 140 (315) 140 (315) Chip conveyor (hinge type) 280 (630) 280 (630) Chip conveyor (scraper type) 220 (485) 220 (485) Note: The figures indicated in the machine plates shall be applied if ones in the manual may differ.
  • Page 84 Return to Library 6-3-5 Location of the Shipping Brackets Before starting the carriage of this machine, fix the machine at two locations with fittings and apply a wooden block to between the spindle and the table as shown in the following illustration. Tool to be used: Allen wrench (10 mm (0.394 in)) Wooden block...
  • Page 85 Return to Library 6-3-6 Installing the Machine Machining accuracy is greatly influenced by installation conditions. No matter how precisely the slideway surfaces have been finished, machining accuracy will still be poor if the machine is not correctly installed. Tools to be used: Allen wrench (3 mm (0.118 in)) Wrench (24 mm (0.94 in), 32 mm (1.26 in), 46 mm (1.81 in)) Temporary leveling adjustments <...
  • Page 86 Return to Library Adjustment of the clearance between the machine and the coolant tank In order to prevent water leakage, adjust the leveling bolts so that the clearance between the machine and the coolant tank is approx. 15 mm. Note : If this adjustment is neglected, water leakage may be caused.
  • Page 87 Return to Library Connecting to the Power and Air Sources 6-4-1 Connecting to the Power Source l Do not connect the power cable to the shop power distribution board until all installation work has been completed. ＜ ＜ ＜ ＜ Procedure ＞ ＞ ＞ ＞ Unscrew the bolts holding the main power disconnect box cover in place, turn the switch to the “OPEN RESET”...
  • Page 88 Return to Library Connect the wires to the R, S, and T terminals and the ground terminal of the N.F.B. (no-fuse breaker). MC111-01337 Fig. 6-1 Connecting the Power Supply Cable (2/2) 6-14...
  • Page 89 Return to Library 6-4-2 Grounding All electrical devices must be grounded in order to protect personnel and machines from electrical hazards. Grounding must be carried out after the installation of the machine in accordance with the standards for electrical equipment. Ideally, the grounding point should be as close as possible to the machine.
  • Page 90 Return to Library Never ground the machine in the manner shown in the illustration below. Fig. 6-3 l No more than one grounding conductor wire can be connected to a single terminal. If the grounding conductors are connected in the manner shown in the illustration above, a faulty connection at one of the terminals could cause grounding current to be fed back to the machine, resulting in serious accidents.
  • Page 91 Return to Library Test Run 6-5-1 Checking the Machine before Starting Test Run Make sure that the lifting fixture and the shipping brackets are all removed. If the machine is operated while they are still attached, the machine will be damaged. Make sure that there are no missing parts or accessories.
  • Page 92 Return to Library Receiving power If the phase sequence is correct, the main power disconnect may be turned on. For the machine using the spindle drive motor: Turn on the main power disconnect and check the indication of the LED lamps at the front panel of the spindle controller.
  • Page 93 Return to Library APPENDIX List of Sensors, Limit Switches, and Oiling Points 7-1-1 List of Sensors and Limit Switches Fig. 7-1...
  • Page 94 Return to Library 7-1-2 List of Oiling Points The lubrication period is decided on the basis of eight hours operation a day. Lubricating Point Q’ty Recommended Oil Remarks Spindle lubrication TERRESSO 68 （ESSO） Auto lubrication replenish oil (0.76 gal) whenever necessary. Slide way TELLUS OIL 68 (SHELL)
  • Page 95 Return to Library List of wearable Parts Service life of wearable parts below will vary according to the conditions under which they are used. To be Location Name Part No. Type Manufacturer Refer to changed in Hydraulic unit Pressure gauge G23MBK90020 96201-BB2-T2 Barksdale...
  • Page 96 Return to Library - MEMO -...

This manual is also suitable for:

Vtc-160bVtc-200bVtc-200cVtc-300c

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