Kitagawa MR250RAE13 Instruction Manual
  1. Manuals
  2. Brands
  3. Kitagawa Manuals
  4. Industrial Equipment
  5. MR250RAE13
  6. Instruction manual

Kitagawa MR250RAE13 Instruction Manual

Nc rotary table
Hide thumbs
Table of Contents

Advertisement

Quick Links

INSTRUCTION MANUAL
Model：MR250RAE13
DANGER
・ This instruction manual is for production engineers and maintenance
personnel in charge of operation of this product. When a beginner uses
this product, receive instructions from experienced personnel, the
distributor or our company.
・ Before installing, operating or maintaining this equipment, carefully
read this manual and the safety labels attached to the equipment.
Failure to follow these instructions and safety precautions could result
in serious injury, death, or property damage.
・ Store this manual near equipment for future reference.
・ If any questions related to safety arise about this manual, please
confirm them with the distributor or our company.
NC Rotary Table
Kitagawa Corporation
Original instructions
MA0580EHG1

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the MR250RAE13 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Kitagawa MR250RAE13

Summary of Contents for Kitagawa MR250RAE13

  • Page 1 Original instructions NC Rotary Table INSTRUCTION MANUAL Model：MR250RAE13 DANGER ・ This instruction manual is for production engineers and maintenance personnel in charge of operation of this product. When a beginner uses this product, receive instructions from experienced personnel, the distributor or our company.
  • Page 3 Thank you for choosing the Kitagawa NC Rotary Table. Kitagawa， a world-renowned precision equipment manufacturer, has developed the finest quality NC Rotary Table with emphasis in high precision and rigidity as its basic principals in design. This unit is installed on the machining centers and suitable for indexing the angle of machining position of the workpieces.
  • Page 4 EC DECLARATION OF CONFORMITY We hereby declare that the following our product conforms with the essential health and safety requirements of EC Directives. Product : NC ROTARY TABLE Type : MR Series, MRT Series ,GT Series, MX Series, TMX Series, THX Series, TRX Series, TLX Series, TBX Series, TUX Series, TR Series, TL Series, TP Series, LR Series TM Series, TH Series, TT Series, TW Series, DM Series...

  • Page 5: Table Of Contents

    CONTENTS Page For Your Safety ･････････････････････････････････・・・・・・･･･････・・・・・・・・・・ Specifications ･･･････････････････････････････････････・・・・・・･････・・・・・・・・ Accuracies ･･･････････････････････････････････････・・・・・・･････・・・・・・・・・・・ Preparation ･･･････････････････････････････････････・・・・・・････・・・・・・・・・・・ 4-1. Installation 4-2. Lubrication 4-3. Required Oil Quantity 4-4. Recommended Lubricating Oil 4-5. Safety of Oil and Antirust Oil Used for the Unit Inspection ･･･････････････････････････････････････････････・・・・・・・・・・・・・・・ Use of NC Rotary Table ･･････････････････････････････・・・・・・・・・・・・・・・・・・ Table Clamp and Unclamp ･･････････････････････････････････････････・・・・・...
  • Page 6 Page Disposal of NC Rotary Table ･･･････････････････････････････・・・・・・・・・・・・・ Indexing Accuracy and Pitch Error ･･･････････････････････････・・・・・・・・・・・ Mounting Rotary Joint (Option) ･･････････････････････････････・・・・・・・・・・・ 18-1. Alignment of discharge opening face 18-2. Pining to supply part Appendixes Appendix 1 Outside View Appendix 2 Wiring Diagram Appendix 3 Details of Nameplate...

  • Page 7: For Your Safety

    1. For Your Safety Basic Safety Tips Please read this manual and follow instructions carefully. We cannot assume responsibility for damage or accidents caused by misuse of the NC Rotary indexing tables, through non-compliance with the safety instructions. DANGER Turn off the main power of the machine prior to maintenance, check, or repair of the unit, Failure to do so may cause severe injury and/or accident.
  • Page 8 WARNING Tighten the bolts securely when mounting the unit on the machine table. Please refer to the chart below for the recommended tightening torque of the bolts. Hex. Bolt Size Torque N・m 33.8 58.9 146.3 294.3 Make sure the working area is clear of any foreign object and/or hand when the unit is in operation to avoid any serious accident and/or injury.
  • Page 9 WARNING Please consult your local distributor before attempting any modification of the unit. Maintain adequate clearance between the unit and any part of the machine. Avoid bending the external cables and air tube of the unit.
  • Page 10 WARNING Use a support, steady rest, or tailstock for heavy or long workpieces to prevent any injury and/or accident. Workpiece Tailstock Steady Rest...
  • Page 11 CAUTION When transporting the unit, make sure to use eye bolts and a sufficient leash or wire. Eye bolt Leash or Wire Mount or dismount the workpiece to or from the unit while the unit is clamped to avoid damage to the internal mechanism and diminished indexing accuracy of the unit.
  • Page 12 CAUTION Avoid sudden impact to any part of the unit which may cause damage to the internal mechanism. Supply air through Air combination (Air filter, Mist separator, regulator) ＋ Drain catcher. (The air supply port is on the motor case.) Apply air purge inside the motor case and be sure to provide dry air.
  • Page 13 NOTICE Mount all covers attached with O-rings. (No damages on O-rings) O-ring O-ring Replace lubricating oil every 6 months.

  • Page 14: Specifications

    2. Specifications NC Rotary Table is dividing unit for the workpiece, usually operating machines. ［ Machining Center,（NC）milling machine, （NC）drilling machine, etc. ］ Specifications are as below. MODEL MR(M) MR(M) MR(M) MR(M) MR(M) MX(M) ITEM Table Diameter φ128 φ165 φ202 φ250 φ320 φ165 Table Height in Horizontal...
  • Page 15 The above-mentioned list shows the value in standard NOTICE specification. Please refer to the outside view for details. Table clamping torque is measured at 0.5MPa pneumatic NOTICE pressure. Max. Rotation Speed is at 3000 min (rpm) of the motor rotation. (In the case of MRM320: 2000 min (rpm)) Be sure to observe the allowance work inertia even if the...

  • Page 16: Accuracies

    3. Accuracies (Unit:mm） Guaranteed Accuracies Description of Inspection Guaranteed Accuracy Run-out of center hole 0.01 Run-out of table surface 0.02 Parallelism of table surface and reference Per 150mm 0.02 plane for horizontal installation Parallelism of rotating axis center line and Per 150mm 0.02 reference plane for vertical installation...

  • Page 17: Preparation

    4. Preparation Unpack the unit and remove the packing material. 4-1. Installation 1) When transporting the unit, hook ropes to the eyebolts attached and transport the unit carefully, not giving a shock. The ropes used should be wire ropes having enough strength to lift up the unit.

  • Page 18: Lubrication

    unstably may cause the NC rotary table to overturn and then to drop from the pallet. Disconnect electric cables and working fluid piping when CAUTION relocating the NC rotary table. Relocating the NC rotary table with electric cables and working fluid piping connected and hung down causes the NC rotary table to be unstable or the worker to be tripped, resulting in unexpected accidents.

  • Page 19: Recommended Lubricating Oil

    4-4. Recommended Lubricating Oil Maker Oil Name IDEMITSU Daphne Multiway 32MT MOBIL Vactra oil No.1 Uniway EV 32 JX NIPPON OIL＆ENERGY SHELL Shell Tonna oil S32 COSMO Dynaway 32 ・Grade of Viscosity : ISO VG32 4-5. Safety of Oil and Antirust Oil Used for the Unit 4-5-1.

  • Page 20: Inspection

    This unit is installed on the machining centers, and on its table surface the chuck or fixture is attached to clamp the workpiece. It indexes the angle of machining position by the control of machining center or Kitagawa’s own controller. During the machining, the working fluid is supplied to retain the workpiece.

  • Page 21: General Instruction

    7. Table Clamp and Unclamp 7-1. General Instruction When the table is positioned, activate the table clamp, When the table is in motion, inactivate the table clamp. CAUTION Improper procedures in table clamp and/or unclamp may cause severe damage to the internal mechanism. This unit is supplied with two pressure switches for table clamp and unclamp for added safety.

  • Page 22: Confirmation Of Clamp And Unclamp

    The air purge is performed by air branched inside of NC table that uses air for clamp. Be sure to use the clean air (passing through air filter, mist separator, regulator and drain catcher) passing through the filter. If the air contains water content (moisture), oil content, etc., it is entered in the motor cover, thus causing in equipment damage.
  • Page 23 SP1: Pressure Switch for Clamp Detection SP2: Pressure Switch for Unclamp Detection SP2: Pressure Switch for Unclamp Detection SP1: Pressure Switch for Clamp Detection Solenoid Valve Motor Solenoid Valve Base Base Motor [MR(M)200,250] [MR(M)320] Fig.1-3 Fig.1-4 SP2: Pressure Switch for Unclamp Detection SP1: Pressure Switch for Clamp Detection Solenoid Valve Base...

  • Page 24: Solenoid Valve For Clamp And Unclamp

    7-5. Solenoid Valve for Clamp and Unclamp For Pneumatic Clamping, a solenoid valve is equipped inside. Please refer to the specification drawn in outside view and wiring diagram. 【 Excitation Unclamp Spec. 】 Solenoid: ON ･･･ Unclamp Solenoid: OFF ･･･ Clamp 【...

  • Page 25: Maintenance Work

    When performing the maintenance work, shut off the power (primary power supply) of the machining center or Kitagawa’s own controller to set the pressure adjusting valve of air combination that supplies the air to the NC rotary table to 0 MPa or shut off the power of the air compressor to exhaust the compressed air, so as to stop the supply of the working fluid.

  • Page 26: Adjustment Of Backlash Between Worm Wheel And Worm Gear

    10. Adjustment of Backlash between Worm Wheel and Worm Gear The amount of backlash has been adjusted to the appropriate range at time of the shipment from the factory. However, if it becomes necessary, excessive backlash between the precisely machined double-lead worm and worm wheel can be eliminated easily with two slightly different inclined leads provided on the worm gear.

  • Page 27: Adjusting The Backlash Of The Worm Gear

    T＝F×L T: Torque (N･m) F: Effort force (N) L: Distance from table center to point to add power F (m) Fig.2 10-2. Adjusting the Backlash of the Worm Gear [See Fig.3-1, Fig.3-2] Before proceeding to the backlash adjustment, you must turn off the power to the control unit and set the NC Rotary DANGER Table in the "unclamp"...
  • Page 28 ahead, which makes the backlash of the worm shaft ⑦ small. Since the pitch of the adjustment screw ⑪ is set to 1.0 NOTICE mm, loosening the screw by one rotation will makes the backlash smaller as shown in the following table. MODEL MR(M) MR(M)
  • Page 29 Hexagon socket head cap screw ③ Cover ⑨ Coupling ⑤ Hexagon socket head cap screws ⑩ Motor ④ Bearing case ⑫ Worm shaft ⑦ Adjustment screws ⑪ Backlash adjustment value Motor case ⑥ Reference plane for vertical installation Hexagon socket headless tapered pipe plugs ② （at horizontal installation）...
  • Page 30 Cover ⑨ Hexagon socket head cap screw ③ Hexagon socket ⑧ Coupling ⑤ Adjustment screws ⑪ Motor Bearing case ⑫ Motor case ⑥ Worm shaft ⑦ Hexagon socket head cap screws ⑩ Reference plane for vertical installation Hexagon socket headless tapered pipe plugs ② （at horizontal installation）...

  • Page 31: Zrn Device

    11. ZRN device ****************************************************************************************************** The contents of this item are unnecessary for the NC rotary table of Kitagawa's controller spec. and 4th axis spec. which don't have a dog for ZRN deceleration. Machine zero position of this unit which set at shipment from factory is memorized due to the specification of servo motor with absolute encoder.

  • Page 32: Sensor Mechanism

    11-3. Sensor Mechanism 1) Proximity Switch [See Fig.4] The gap between the dog ③ and the proximity switch ④ should be adjusted to approximately 0.75mm by the 1.00mm pitch thread provided on the proximity switch ④. Hexagon socket headless Hexagon socket flange set screw ②...

  • Page 33: Motor Cover

    12. Motor Cover 12-1. Dismount Please follow the procedure below for removing the motor cover. [See Fig.5] 1) Loosen the hexagon socket head cap screws ⑪, which set the motor case ① on the base ⑩ and carefully detach the motor case ① by lifting the case upward. On this occasion, since wiring and air hose, etc.
  • Page 34 Hexagon socket head cap screw ⑦ Worm shaft ⑨ Reference plane for horizontal installation Hexagon socket headless tapered pipe plugs ⑥ （at vertical installation） Coupling ⑧ Motor ② Motor case ① Base ⑩ Hexagon socket head cap screw ③ Hexagon socket head cap screw ⑪ Reference plane for vertical Installation Hexagon socket O-ring ④...

  • Page 35: Troubleshooting

    13. Troubleshooting Check corresponding item given in this chapter to take corrective actions when the unit seems to be faulty. If the fault persists, please contact your sales agent (M/C maker) or us. When making an inquiry, let us know the product type and manufacturing number marked on the nameplate of the NC rotary table body.
  • Page 36 Symptom ②： Table does not rotate but generates a noise Possible causes Corrective actions Motor makes a howling sound to try to Stop rotary table rotate immediately. Please contact the sales agent. →Seizure of gears due to lack or deterioration of lubricating oil Gears generate a noise Stop rotary...
  • Page 37 Symptom ⑤： Table is not clamped or unclamped Possible causes Corrective actions Faulty solenoid valve Replace the solenoid valve Faulty clamp/unclamp confirming device Check and replace the clamp/unclamp (pressure switch) confirming device (pressure switch) Damage or connection failure of working Check the piping for connection, and fluid pipe for clamp replace...

  • Page 38: Parts List

    14. Parts List ○ Main Body MR(M) MR(M) MR(M) MR(M) MR(M) MX(M) MARK NAME Q'ty Recital Hexagon socket flange head screw M20x1.5 Gosho plug with O-Ring Hexagon socket headless tapered Rc1/4 Rc1/2 － － pipe plug Hexagon socket headless tapered Rc1/2 Rc3/8 Rc1/2...
  • Page 39 Note.1 Note.1 Left Hand Front Side Back Side...
  • Page 40 ○ Motor Case(For M Signal) MR(M) MR(M) MR(M) MR(M) MR(M) MX(M) MARK NAME Q'ty Recital Motor case Hexagon socket M5x20 M6x16 M6x16 M6x16 head cap screw Seal washer － O-ring GS180 GS195 GS210 GS245 GS290 GS195 Connector plate － Machine screw M5x14 －...
  • Page 41 ○ Clamp Detection Device MR(M) MR(M) MR(M) MR(M) MR(M) MX(M) MARK NAME Q'ty Recital VQZ2921B-5L1 Solenoid valve VK332-5DS-M5-F-Q -C6-F-Q Machine screw M3x6 M3x6 － Plug silencer PSA102 TAIYO － Silencer EBKX-A9012 － Plug silencer PSA101 TAIYO － Pressure switch for clamp PS1000-R06L-Q-X140 detection Pressure switch...
  • Page 42 ○ Built-in ZRN (Zero Return) Device MR(M) MR(M) MR(M) MR(M) MR(M) MX(M) MARK NAME Q'ty Recital Machine screw M6x8 Washer O-ring Holder for Proximity switch Proximity switch FL7M-2K6H Yamatake Mitsubishi Seal washer DT-1-8 Cable No proximity switch is provided for the M signal type.
  • Page 43 ○ Accessory MR(M) MR(M) MR(M) MR(M) MR(M) MX(M) MARK NAME Q'ty Recital Eye bolt Eye bolt Strength Hexagon M12x45 M16x55 M16x50 M16x65 M16x75 M16x55 Dimension head bolt Washer Clamp － － 1412 1816 1816 1816 T-slot nut When the specification is different, the clamping parts and guide block are different from the above figure.

  • Page 44: Storage

    15. Storage When removing the unit from the machine table, apply oil NOTICE to prevent rust and store it on a stable wooden stand or in the original crate with the appropriate cover to protect it from dust and maintain its accuracy. Note：...
  • Page 45 17. Indexing Accuracy and Pitch Error “ What is the linear length at the table circumference with NOTICE 20 seconds cumulative indexing accuracy ?” “ What is the angle with a cumulative pitch error of 0.01mm ?” To answer these questions, use the following formula representing the relationship between the angle and linear length at the table circumference.
  • Page 46 (B-size in the following figure). When the rotary joint is mounted additionally or a set of rotary joint parts is replaced, check the product type and manufacturing number, and contact Kitagawa branch or your agent. Jig mounting...
  • Page 50 The products herein are controlled under Japanese Foreign Exchange and Foreign Trade Control Act. In the event of importing and/or exporting the products, you are obliged to consult KITAGAWA as well as your government for t he related regulation prior to any transaction.

Table of Contents