Kitagawa TT150AE-04 Instruction Manual
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Kitagawa TT150AE-04 Instruction Manual

Nc tilting rotary table
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NC Tilting Rotary Table
INSTRUCTION MANUAL
Model：TT150AE-04
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.
KITAGAWA IRON WORKS CO., LTD.
Original instructions
MA0953EHG1

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Summary of Contents for Kitagawa TT150AE-04

  • Page 1 ・ 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. KITAGAWA IRON WORKS CO., LTD. MA0953EHG1...
  • Page 3 Please contact us if it is used for any other applications. Kitagawa Iron Works Co., Ltd. shall not be held liable for troubles or accidents that arise from a failure to observe these safety precautions mentioned in this manual.
  • 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, MX Series, MRT Series, CK Series, GT Series, DM Series, TMX Series, THX Series, TRX Series, TLX Series, TR Series, TL Series, TBX Series, TUX Series, TU Series, LR Series, TP Series, TM Series, TH Series,...

  • Page 5: Table Of Contents

    CONTENTS Page 1. FOR YOUR SAFETY ........................1 2. OUTSIDE VIEW .......................... 8 3. SPECIFICATIONS ........................8 4. ACCURACY STANDARD ......................11 5. OPERATION READY ....................... 12 5-1. T ABLE TRANSFER AND MOUNTING TO MACHINE TOOL 5-2. O ILING 5-3. R EQUIRED LUBRICATION OIL VOLUME 5-4.
  • Page 6 CONTENTS Page 13. MACHINE ZERO POINT SETTING ..................25 13-1. D (OPTION) OG TYPE ZERO POINT RETURN DEVICE 14. TILTING AXIS OVER TRAVEL STOP DEVICE ............... 27 14-1. T ILTING AXIS OVER TRAVEL STOP DEVICE 14-2. A DJUSTING METHODS OF DOG FOR VERTICAL OVER TRAVEL 14-3.

  • Page 7: For Your Safety

    1. For Your Safety Basic Safety Tips Please read this manual and follow instructions carefully. 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. OFF！...
  • 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 Do not touch rotating object during operation. Fingers or hand may be caught into gap.
  • Page 9 WARNING 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. Do not apply cutting force which exceeds the specification in this manual. Failure to do so may cause severe injury and/or damage to the unit.
  • Page 10 WARNING Maintain adequate clearance between the unit and any part of the machine. Avoid bending the external cables and air tube of the unit. Use a support, steady rest, or tailstock for heavy or long workpieces to prevent any injury and/or accident.
  • Page 11 CAUTION Avoid sudden impact to any part of the unit which may cause damage to the internal mechanism. 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. Pneumatic pressure When transporting the unit, make sure to use eye bolts and a sufficient leash or wire.
  • Page 12 CAUTION 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. Drain catcher Air filter Regulator Drain Mist separator...
  • Page 13 NOTICE Coat each cover mounting face for motor case with liquid packing. Because coolant is entered, NC rotary table may be damaged. Attach each O-ring to motor case mounting face, etc. as shown in the following figure. (Do not damage each O-ring.) Because coolant is entered, O-ring NC rotary table may be damaged.

  • Page 14: Outside View

    2. Outside view The following figure is the standard outside view of model TT150. For detailed models, refer to appendix outside views in the end of manual. Motor case for tilting axis Pneumatic supply port Lub. Oil supply port for tilting axis Cable Oil gauge for tilting axis...

  • Page 15: Specifications

    3. Specifications MODEL TT150 ITEM φ150 Table Diameter Table Height in Horizontal Center Height in Vertical Total Height in Vertical φ60 Table reference hole diameter φ40 Table through hole diameter Clamping Torque (Rotating axis) N･m [Pneumatics 0.5MPa] (Tilting axis) N･m φ150 Allowable Workpiece Dia.
  • Page 16 Max. table rotation speed is the value when the motor rotates at 3000 NOTICE Be sure to observe the allowance work inertia even if the mass of CAUTION workpiece is within the allowable value. There is any case that the tailstock is required by the mass of workpiece, CAUTION shape, cutting conditions, etc.

  • Page 17: Accuracy Standard

    4. Accuracy Standard （Unit：mm） Allowable Inspection Item Value Run out of table reference hole 0.010 Run out of table top face during table rotation 0.015 Straightness of table top face (to be concave side.) Total length 0.010 Parallelism of table top face and mounting reference face Total length 0.020 (tilting axis direction)

  • Page 18: Operation Ready

    5. Operation Ready After unpacking, the tilting rotary table is mounted to the machine tool. Observe the following procedure before performing the operation (trial run). 5-1. Table transfer and mounting to machine tool 1) When transporting the unit, hook ropes to the eyebolts attached and transport the unit carefully, not giving a shock.

  • Page 19: Oiling

    When transporting a pallet on which NC rotary table is mounted, take CAUTION measures against over-turning or drop. Transporting the pallet with NC rotary table mounted unstably may cause the NC rotary table to overturn and then to drop from the pallet. Disconnect electric cables and working fluid piping when relocating the CAUTION NC rotary table.

  • Page 20: Recommended Lubrication Oil

    5-4. Recommended lubrication oil (Viscosity grade ISO VG32) Maker Name IDEMITSU Daphne Multiway 32MT MOBIL Vactra oil No. 1 JX NIPPON OIL& ENERGY Uniway EV32 SHELL Shell Tonna oil S32 COSMO Dynaway 32 5-5. Safety of Oil and Antirust Oil Used for the Unit 5-5-1.

  • Page 21: 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 22: Precautions For Table Clamp

    8. Table Clamp 8-1. Precautions for table clamp Be sure to rotate the table with the table unclamped and use the table CAUTION with it clamped when machining after positioning. If the table is operated by mistake, take care since the worm wheel may be damaged. Check the signals of pressure switch to check Clamp/Unclamp operations.

  • Page 23: Check Device For Clamp/Unclamp

    8-4. Check device for Clamp/Unclamp To proceed a secure work, be sure to use Clamp/Unclamp Check signals. (See Fig.1) Solenoid valve SP4: Unclamp Check Solenoid valve SP2: Unclamp Check SP3: Clamp Check SP1: Clamp Check Inside view of tilting axis motor case Inside view of rotating axis motor case Fig.1 The set pressure values of pressure switches are as follows:...

  • Page 24: Mounting Of Workpiece

    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 25: Backlash Adjustment Of Worm Gears

    11. Backlash Adjustment of Worm Gears The worm shaft and worm wheel are made of the special materials and they are accurately machined. The dual lead worm system is adopted for eliminating the backlash of worm gears. It changes the lead of right and left teeth of worm shaft a little and adjusts the backlash for the worm wheel by shifting this worm shaft in the axis direction.

  • Page 26: Backlash Measuring Method Of Worm Gears Of Tilting Axis

    11-3. Backlash adjusting method of rotating axis worm gears (See Fig.4) This adjustment affect the indexing accuracy and worm wheel durability, thus it is strongly recommended that a skilled technician should do the adjustment. Please consult Kitagawa distributor before the adjustment.
  • Page 27 Each interval between the hole and the hole on the periphery of bearing NOTICE case is 60°. When rotating the bearing case 60°, the backlash of about 11μm is reduced at arc length on the peripheral position of table. Adjust the backlash slowly and carefully without adjusting the backlash CAUTION at a time.

  • Page 28: Backlash Adjusting Method Of Tilting Axis Worm Gears

    11-4. Backlash adjusting method of tilting axis worm gears (See Fig.5) This adjustment affect the indexing accuracy and worm wheel durability, thus it is strongly recommended that a skilled technician should do the adjustment. Please consult Kitagawa distributor before the adjustment.

  • Page 29: Backlash Adjustment Of Spur Gears

    12. Backlash Adjustment of Spur Gears 12-1. Backlash adjusting method of rotating axis drive spur gears (See Fig.6) The backlash between Z1 - Z2 spur gears is adjusted by changing a center distance after adjusting the motor position. The adequate backlash of super gear is 0.02mm~0.04mm. If the measured backlash is deviated, it is necessary to adjust the backlash.

  • Page 30: Backlash Adjusting Method Of Tilting Axis Drive Spur Gears

    12-2. Backlash adjusting method of tilting axis drive spur gears (See Fig.7) The adequate backlash of super gear is 0.02 mm - 0.04 mm. If the measured backlash is deviated, it is necessary to adjust the backlash. 1) Drain lubrication oil from the tilting axis lubrication oil drain port (See the outside view). 2) Slightly loosen four mounting bolts ③...

  • Page 31: Machine Zero Point Setting

    13. Machine zero point setting For the NC rotary table with the additional axis but without our controller and the dog type zero point return specification, it is necessary to set the machine zero point to the machine as the machining reference point of the rotary table.
  • Page 32 The proximity switch is used as the dog detecting sensor. The gap between the dog and the proximity switch is set to about 0.75mm. (Thread pitch for mounting the proximity switch is 1mm.) The proximity switch with a lamp is used. When the dog is detected, since the lamp goes off, use the proximity switch as a target when the dog position is adjusted.

  • Page 33: Tilting Axis Over Travel Stop Device

    14. Tilting Axis Over Travel Stop Device 14-1. Tilting axis over travel stop device (See Fig.9) 1) Remove the cover on the motor case side. 2) The dog and the limit switch for over travel of the tilting axis stroke limit are contained into the rotating axis motor case.

  • Page 34: Adjusting Methods Of Dog For Horizontal Over-Travel

    14-3. Adjusting methods of dog for horizontal over-travel 1) When the customer will change position of dog B ② according to the shape of workpiece and jig, loosen hexagon socket head cap screw which fix the dog B ②. Once remove the dog B ②. (See Fig.9.) 2) Rotate the tilting axis to the tilting angle to be set in the minus direction with the manual pulse generator or the Manual axis feed key, checking that it does not interfere with the jig or workpiece.
  • Page 35 15. Motor case 15-1. To remove motor case When removing the motor case of tilting axis for maintenance, etc., the following procedure is recommended. 1) Loosen hexagon socket head cap screws ④ which fix the motor case ① and remove the motor case slowly with the motor case ①...

  • Page 36: Motor

    16. Motor 16-1. Tilting axis drive motor 16-1-1. To remove drive motor When replacing the motor, remove the motor according to the following procedure. (See Fig.11) 1) Drain lubrication oil from the tilting axis lubrication oil drain port. (See outside view.) 2) Remove the motor case according to item 15-1.

  • Page 37: Rotating Axis Drive Motor

    16-2. Rotating axis drive motor 16-2-1. To remove drive motor When replacing the motor, remove the motor according to the following procedure. (See Fig.12) 1) Drain lubrication oil from the rotating axis lub. oil drain port. (See the outline drawing.) 2) Remove the cover ⑦.

  • Page 38: To Mount Spur Gears

    16-3. To mount spur gears The mounting method of spur gears varies by the motor shaft and flange diameter. The following procedure is recommended to mount the spur gears by three-method mainly used. ○Taper shaft 1) Wipe up dust adhered on the taper shaft surface and inside of spur gears. 2) Attach the key to the shaft before mounting the spur gear.

  • Page 39: Connector

    17. Connector When removing connectors (made by MOLEX) such as proximity switches, etc., unavoidably in motor case removing, the following procedure is recommended. 17-1. To remove connector 1) Pushing the claw ③ of receptacle housing, remove the plug housing ① and receptacle housing ②. Receptacle housing ②...

  • Page 40: Troubleshooting

    18. 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 41 Symptom ③： Table does not rotate smoothly but generates a noise Possible causes Corrective actions Noise is generated repeatedly during Stop the use of NC rotary table immediately. rotation Please contact the sales agent. →Gears are damaged →Faulty rotation of gears because foreign Open the lubricating oil drain port, and supply lubricating oil until foreign substances substances mix in the oil bath...
  • Page 42 Symptom ⑥： Index accuracy error Possible causes Corrective actions The unit is overloaded during rotation Compare NC rotary table specification with work condition to make improvement Workpiece is dislocated due to low clamp Compare NC rotary table specification with torque cutting condition to make improvement Zero return position is dislocated due to Check the zero point and zero point shift...

  • Page 43: Parts List

    19. Parts List ○ Main Body MARK NAME TT150 Q'ty Recital Hexagon socket flange head screw plug M20x1.5 Gosho with O-Ring Rc3/8 Hexagon socket headless tapered pipe plug M5x10 Machine screw Cover (1) O-ring Hexagon socket head cap screw M6x30 Hexagon socket headless set screw M8x20 (Flat Point)
  • Page 44 ○ Motor Case(For M Signal) MARK NAME Q'ty Recital TT150 Machine screw M5x8 Seal washer Cover (1) Motor case (1) M5x16 Hexagon socket head cap screw Motor case (2) GS115 O-ring Hexagon socket head cap screw M4x8 Washer Machine screw M5x16 Tube connector KQ2E06-02A...
  • Page 45 When the specification is 4th and 5th axises, the motor case and the cable are different from the above figure. For detailed models, refer to attached outside view.
  • Page 46 ○ Clamp Detection Device MARK NAME TT150 Q'ty Recital Solenoid valve VK332-5DS-M5-F-Q Machine screw M3x6 Pressure switch for clamp detection PS1000-R06L-Q-X140 Pressure switch for unclamp detection PS1100-R06L-Q-X141 Plug silencer PSA102 TAIYO Plug silencer PSA103 TAIYO When the specification is different, the model and the installation position of the solenoid valve and the pressure switch are different from the above figure.
  • Page 47 ○ Accessory MARK NAME Q'ty Recital TT150 Eye bolt Hexagon head bolt M12x55 Washer Strength Dimension Clamp : 8.8 T-slot nut 1412 When the specification is different, the clamping parts and guide block are different from the above figure. For detailed models, refer to attached outside view.

  • Page 48: Storage

    20. Storage When storing NC rotary table after removing it from the machine tool, NOTICE place it on the stable wooden base for maintaining accuracy after removing chips or coolant, etc. Coat the table with rust prevention oil and case or lap it with the wooden cover or vinyl cover, etc. When using the wooden base and box, avoid the wooden base and the green wood.

  • Page 49: Reference Data

    22. Reference Data 22-1. Conversion of arc length and angle “What is the linear length at the table circumference with 20 seconds NOTICE 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 50: Workpiece Interference Area

    22-2. Workpiece interference area Since the following shows standard specifications, take care in case of special specifications. Interference with the clamp device is not considered. Tilting range may be reduced due to fit the Jig or Chuck onto Face plate. (Refer to the back of the Instruction Manual drawing and the outside view.) Set a soft limit by the parameter to prevent interference at the customer.

  • Page 51: Piping Diagram On Pneumatic Specifications

    23. Piping Diagram on Pneumatic Specifications When removing the piping unavoidably to remove the motor case, refer to the following outside view and circuit diagram. 23-1. Outside view of connection piping system 23-1-1. Outside view of piping system for rotating axis Connector plate Soft nylon tube RJ supply port...
  • Page 52 23-2. Pneumatic circuit diagram Rotating axis Table clamp Inside of rotary table is shown in Clamp Check 0.25MPa frame Customer shall arrange (dotted line) Unclamp Check 0.055MPa Silencer Solenoid Solenoid valve valve Fixed throttle Excitation Clamp Spec (for air purge) Air combination (Air filter + Mist separator + Regulator) + Drain catcher...

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