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Kitagawa TT200BE-01 Instruction Manual

Nc tilting rotary table
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NC Tilting Rotary Table
INSTRUCTION MANUAL
Model：TT200BE-01
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
MA1096EHG0

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Summary of Contents for Kitagawa TT200BE-01

  • 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. MA1096EHG0...
  • 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 ..........................9 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 ....................33 13-1. D (OPTION) OG TYPE ZERO POINT RETURN DEVICE 14. TILTING AXIS OVER TRAVEL STOP DEVICE ................35 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. 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 Do not touch rotating object during operation. Fingers or hand may be caught into gap.
  • Page 9 WARNING Please consult your local distributor before attempting any modification of the unit. The NC rotary table may malfunction. Piping block 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. Please consult your local distributor before attempting any modification of 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 Hydraulic 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 Replace lubricating oil every 6 months. 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. (No damages on O-rings) Because coolant is entered, O-ring...

  • Page 14: Outside View

    2. Outside view The following figure is the standard outline drawing of model TT200. Since the table clamp device is displayed without classifying the oil hydraulic pressure specification and the pneumatic specification in the following figure, the oil hydraulic pressure supply port becomes valid only when the oil hydraulic pressure system is used.

  • Page 15: Specifications

    3. Specifications MODEL TT200 ITEM φ200 Table Diameter Table Height in Horizontal Center Height in Vertical Total Height in Vertical φ65 Table reference hole diameter φ40 Table through hole diameter Clamping Torque (Rotating axis) N･m [Pneumatic 0.5MPa] (Tilting axis) N･m 1200 [Hydraulic 3.5MPa] φ200...
  • Page 16 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. For the conditions for using the table, refer to the above specification CAUTION columns and caution items.

  • 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 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: Oiling

    5-2. Oiling Lubrication oil has been already filled in NC rotary table before shipping. Check that the lubrication oil is filled to the center position of the oil gauge before operating the machine. Replace lubrication oil every 6-month. At this time, completely drain the CAUTION oil.

  • Page 21: Recommended Operation Oil

    5-6. Recommended operation oil (For air hydro booster at pneumatic/hydraulic spec.) (Viscosity grade ISO VG32) Maker Name IDEMITSU Daphne Neo Fluid 32 Daphne Super Hydro 32A MOBIL Mobil DTE XL32 JX NIPPON OIL & ENERGY Super Hyrando SE32 SHELL Shell Tellus Oil 32 COSMO Cosmo Super Epoch ES32 5-7.

  • Page 22: 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 23: 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 24: Supply Of Pneumatic And Hydraulic Pressure For Clamp

    8-2. Supply of pneumatic and hydraulic pressure for clamp The clamper to clamp the table is incorporated in the NC rotary table and two air and hydraulic clamp specifications are provided for operation. However, in the air pressure clamp specifications, the air hydraulic booster is incorporated in the table.
  • Page 25 8-2-3. Rotary joint specifications Do not change the mounting direction of the piping block. When the piping block is removed, hydraulic oil mixes with lubrication oil. Moreover, when the hydraulic oil is reduced, a brake alarm occurs. Piping block Fig.2...

  • Page 26: Air Relief

    8-3. Air Relief Always perform the air relief work when supplying oil after disassembling the parts relating to the clamping circuit and after a brake alarm occurs. If air relief is not sufficient, the specified clamp torque cannot be attained and an alarm occurs. 8-3-1.
  • Page 27 comes near the center of the oil gauge on the side of the tilting axis base. 5） Upon completion of all the works, check that the O-ring on the cover ① mounting part does not protrude from the groove and then mount cover ①. 6）...
  • Page 28 Air relief plug ③ Air relief plug ④ (Rotating axis) Air relief plug ⑤ (Rotating axis) (Tilting axis) Air relief plug ⑥ Cover (Oil tank) ① (Tilting axis) Cylinder for tilting axis Air relief plug ② (Rotating axis) Cylinder for rotating axis Fig.
  • Page 29 CAUTION 1） When the air relief plug is too loosened, there is a possibility that the air relief plug flies out and hydraulic oil spills out. Slightly push the air relief plug with the hexagon bar spanner and cover it with rags so as not to fly out the plug and spill out the hydraulic oil.

  • Page 30: Air Purge

    8-4. Air purge Dew drops may occur in the motor case by ambient environment. In this case, each component in addition to electric apparatus will fail or rust will WARNING occur. Therefore, the air is purged and exhausted from the air purge exhaust port.

  • Page 31: Solenoid Valve For Clamp/Unclamp

    The set pressure values of pressure switches for air/hydraulic pressure clamp specifications are as follows: Clamp check 2.20 MPa (SP1, SP3) (176 112 200) Unclamp check 0.40 MPa (SP2, SP4) (176 120 400) 8-6. Solenoid valve for Clamp/Unclamp In case of NC rotary table made by air hydraulic clamp specifications, the solenoid valve is incorporated. Since the following piping is used as standard, take care when electric cables are connected.

  • Page 32: 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 33: Backlash Adjustment Of Worm Gears

    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. 11-1. Backlash measuring method of worm gear of rotating axis 1）...

  • Page 34: Backlash Measuring Method Of Worm Gear Of Tilting Axis

    11-2. Backlash measuring method of worm gear of tilting axis 1） Set the dial gauge the periphery of the table top face. 2） Read the value of dial gauge at the position where the table stops after rotating the tilting body slowly in one way with the flat steel or round bar inserted in eye bolts screwed in tap holes on the table back face (with worm wheel gear tooth attached).

  • Page 35: Backlash Adjusting Method Of Rotating Axis Worm Gear

    11-3. Backlash adjusting method of rotating axis worm gear (See Fig.8) 1） Drain lubrication oil from the rotating axis lubrication oil drain port. (See the outside view.) 2） Remove the cover ①. 3） Remove hexagon socket head cap screw ③ and washer ④ which fix lock nut ②. 4）...

  • Page 36: Backlash Adjusting Method Of Tilting Axis Worm Gear

    11-4. Backlash adjusting method of tilting axis worm gear (See Fig.9) 1) Remove the workpiece, jig, etc. on the table before adjusting and horizontalize the table. 2) Drain lubrication oil from the tilting axis lubrication oil drain port. (See outside view.) 3) Remove cross recessed round head screws ⑥...

  • Page 37: Backlash Adjustment Of Spur Gears

    12. Backlash Adjustment of Spur Gears The adequate backlash of spur gear is 0.02mm～0.04mm. If the measured backlash is deviated, it is necessary to adjust the backlash. 12-1. Backlash adjusting method of rotating axis drive spur gears (See Fig.10) The backlash between Z1 – Z2 spur gears is adjusted by changing a center distance after adjusting the motor position.

  • Page 38: Backlash Adjusting Method Of Tilting Axis Drive Spur Gears

    12-2. Backlash adjusting method of tilting axis drive spur gears (See Fig.11) The adequate backlash of spur gear is 0.02mm～0.04mm. 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 outline drawing). 2) Slightly loosen four mounting bolts ③...

  • Page 39: 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 40 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 41: Tilting Axis Over Travel Stop Device

    14. Tilting Axis Over Travel Stop Device (See Fig.13) 14-1. Tilting axis over travel stop device 1) Remove the cover on the motor case side. 2) The dog and the limit switch of emergency stop for the tilting axis stroke limit are contained into the rotating axis motor case.

  • Page 42: 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. 2) Rotate the tilting axis to the tilting angle to be set in the plus direction with the manual pulse generator or the Manual axis feed key, checking that it does not interfere with the jig or workpiece.

  • Page 43: Motor Case

    15. Motor Case 15-1. To remove motor case (See Fig.14) When removing the motor case of tilting axis for maintenance, etc., the following procedure is recommended. 1) Remove the covers ② and ③ of motor case ① and disconnect wiring cables from electric apparatuses of motor and solenoid valves, etc.

  • Page 44: Motor

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

  • Page 45: 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.16) 1) Drain lubrication oil from the rotating axis lub. oil drain port. (See the outline drawing.) 2) Remove the cover ⑦.
  • Page 46 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 47: 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. Do not apply any load to cables.

  • Page 48: 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 49 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 50 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 51: Parts List

    19. Parts List ○ Main Body MARK NAME TT200 Q'ty Recital Hexagon socket flange head screw plug M20x1.5 Gosho with O-Ring Hexagon socket flange head screw plug M16x1.5 with O-Ring Hexagon socket headless Rc1/4 tapered pipe plug Hexagon socket headless Rc3/8 tapered pipe plug Cover (1)
  • Page 53 ○ Motor Case(For M Signal) MARK NAME TT200 Q'ty Recital Motor case (1) Cover (1) Machine screw M5x8 (Booster) Seal washer (Hydraulic) Motor case (2) GS255 O-Ring Hexagon socket head cap screw M5x16 Washer Cover (2) Cover (3) Connector plate (1) S112 O-Ring Machine screw...
  • Page 54 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 55 ○ Clamp Detection Device MARK NAME TT200 Q'ty Recital Solenoid valve SYJ7120-5GS-01-F-Q (Booster) Machine screw M4x6 (Booster) TAIYO Plug silencer PSA103 (Booster) Pressure switch for clamp detection 176 112 200 Pressure switch for unclamp detection 176 120 400 Cover Machine screw M5x8 O-Ring When the specification is different, the model and the installation position of the solenoid valve and the...
  • Page 56 ○ Built-in ZRN (Zero Return) Device (OPTION) MARK NAME TT200 Q'ty Recital Proximity switch FL7M-3K6H Azbil Holder for Proximity switch Seal washer DT-1-12 Mitsubishi Cable O-Ring Machine screw M6x8 Washer No proximity switch is provided for the M signal type.
  • Page 57 ○ Accessory MARK NAME TT200 Q'ty Recital Eye bolt Clamp Strength Dimension Hexagon head bolt M16x65 : 8.8 Washer T-slot nut 1816 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 58: 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 59: 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 60: Coordinate Calculation Of Table Center For Tilting Angle

    22-2. Coordinate calculation of table center for tilting angle When the coordinate of table center as the tilting axis is 0°(horizontal) is regarded as X = 0, Z = 0. the calculation formula finding the coordinate of table center when tilting axis is tilted θ°is shown as follows: Table center X＝Fcosθ－Esinθ－F Z＝Ecosθ＋Fsinθ－E...

  • Page 61: Piping Diagram On Air Hydraulic System

    23. Piping Diagram on Air Hydraulic System When removing the piping unavoidably to remove the motor case, refer to the following outside view and circuit diagram. For detailed models, refer to attached outside view. 23-1. Outside view of connection piping system Silencer for tilting Solenoid valve...

  • Page 62: Pneumatic/Hydraulic Circuit Diagram

    23-2. Pneumatic/hydraulic circuit diagram Table CLAMP Clamp CHECK 2.20MPa Oil pot Unclamp CHECK 0.40MPa Booster Booster Solenoid Silencer valve Solenoid valve Fixed throttle (for air purge) Table CLAMP Clamp CHECK 2.20MPa Oil pot Unclamp CHECK 0.40MPa Customer shall arrange. Booster Booster Solenoid Silencer...

  • Page 63: Piping Diagram On Hydraulic System

    24. Piping Diagram on Hydraulic System 24-1. Outside view of connecting piping system Hyd. supply ports Pneumatic port (for air purge) Soft nylon tube Φ4 (red) Reducer Φ4 -Φ6 Soft nylon tube Φ6 (red) Straight φ6 IN-457-170 24-2. Hydraulic circuit diagram Table CLAMP Clamp CHECK 2.20MPa Inside of rotary table is...

  • Page 64: Outside View Of Air Hydraulic Part

    25. Outside view of Air Hydraulic Part Oil pan O-ring G40 Penta seal PS16 To cylinder Oil route （4 in total） Gear box Base SKY packing 16 Pneumatic Specifications...

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