Kitagawa TT140AF2-1 User manual

Original instructions
NC Tilting Rotary Table
INSTRUCTION MANUAL
Model：TT140AF2-1
KITAGAWA IRON WORKS CO., LTD.
MA0618EHG1
・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.
DANGER

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. Please contact us if it is used for any other
applications.
This NC Rotary Table has been designed to provide years of high precision performance. To
ensure optimum and trouble-free performance, please read this operation manual carefully
before using the unit and retain this copy for your future reference.
Please pay close attention to the procedures with the following warning marks to avoid
severe injury and/or accident.
Safety Alert Symbol
This is the industry “ Safety Alert Symbol ”. This symbol is used to call your attention to items
or operations that could be dangerous to you or other persons using this equipment.
Please read these massages and follow these instructions carefully. It is essential that you
read the instructions and safety regulations before you attempt to assemble or use this unit.
NOTICE
Indicates an Imminently hazardous situation which,
If not avoided, will result in death or serious injury.
DANGER
Indicates a potentially hazardous situation which, if
not avoided, could result in death or serious injury.
Indicates a potentially hazardous situation which, if
not avoided, may result in minor or moderate injury.
WARNING
CAUTION
Instructions for table performance and avoiding
errors or mistakes.

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
Directives : Machinery Directive 2006/42/EC
EMC Directive 2004/108/EC
The above product has been evaluated for conformity with above directives using the
following European standards.
Machinery Directive:
EN ISO 12100-1:2003+A1:2009, EN ISO 12100-2:2003+A1:2009,
EN ISO 14121-1:2007, EN 60204-1: 2006+A1:2009, others
EMC Directive:
Emissoion : EN 55011+A2:2007
Immunity : EN 61000-6-2:2005

CONTENTS
Page
1. For Your Safety ･･・・・・・・・・・・・・・・・・ 1
2. Outside view ･･・・・・・・・・・・・・・・・・ 8
3. Specifications ･･・・・・・・・・・・・・・・・・ 9
4. Accuracy Standard ･･・・・・・・・・・・・・・・・・ 11
5. Operation Ready ･･・・・・・・・・・・・・・・・・ 12
5-1. Table transfer and mounting to machine tool
5-2. Oiling
5-3. Required lubrication oil volume
5-4. Recommended lubrication oil
5-5. Safety of Oil and Antirust Oil Used for the Unit
6. Inspection ･･・・・・・・・・・・・・・・・・ 15
7. Use of NC Rotary Table ･･・・・・・・・・・・・・・・・・ 15
8. Table Clamp ･･・・・・・・・・・・・・・・・・ 16
8-1. Precautions for table clamp
8-2. Pneumatic supply for clamp
8-3. Air purge
8-4. Check device for Clamp/Unclamp
8-5. Solenoid Valve for Clamp/Unclamp
9. Mounting of Workpiece ･･・・・・・・・・・・・・・・・・ 18
10. Maintenance Work ･･・・・・・・・・・・・・・・・・ 19
10-1. Corrective Action in Case of Failure, and Disassembly
10-2. Before Performing Maintenance Work
11. Backlash Adjustment of Worm Gears ･･・・・・・・・・・・・・・・・・ 20
11-1. Backlash measuring method of worm gears of rotating axis
11-2. Backlash measuring method of worm gears of tilting axis
11-3. Backlash adjusting method of rotating axis worm gears
11-4. Backlash adjusting method of tilting axis worm gears
12. Backlash Adjustment of Spur Gears ･･・・・・・・・・・・・・・・・・ 25
12-1. Backlash adjusting method of rotating axis drive spur gears
12-2. Backlash adjusting method of tilting axis drive spur gears
13. ZRN (Zero Return) Device ･･・・・・・・・・・・・・・・・・ 28
13-1. Rotating axis ZRN device
13-2. Tilting axis ZRN device

Page
14. Tilting Axis Over Travel Stop Device ･･・・・・・・・・・・・・・・・・ 30
14-1. Tilting axis over travel stop device
14-2. Adjusting methods of dog for over-travel on- side
14-3. Adjusting methods of dog for over-travel on+ side
15. Motor Case ･･・・・・・・・・・・・・・・・・ 33
15-1. To remove motor case
15-2. Countermeasures for waterproof
16. Motor ･･・・・・・・・・・・・・・・・・ 35
16-1. Tilting axis drive motor
16-2. Rotating axis drive motor
16-3. To mount spur gears
17. Connector ･･・・・・・・・・・・・・・・・・ 39
17-1. To remove connector
17-2. To mount connector
18. Troubleshooting ･･・・・・・・・・・・・・・・・・ 41
19. Parts List ･･・・・・・・・・・・・・・・・・ 44
20. Storage ･･・・・・・・・・・・・・・・・・ 50
21. Disposal of NC Rotary Table ･･・・・・・・・・・・・・・・・・ 50
22. Reference Data ･･・・・・・・・・・・・・・・・・ 51
22-1. Conversion of arc length and angle
22-2. Workpiece interference area
23. Piping Diagram on Pneumatic Specifications ･･・・・・・・・・・・・・・・・・ 53
23-1. Outside view of connection piping system
23-2. Pneumatic circuit diagram
Appendixes
Appendix 1 Outside View
Appendix 2 Wiring Diagram
Appendix 3 Details of Nameplate

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.
OFF
ON
OFF
1

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
M10 33.8
M12 58.9
M16 146.3
M20 294.3
Do not touch rotating object during operation.
Fingers or hand may be caught into gap.
2

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.
Please consult your local distributor before attempting any modification of the
unit.
NO!
3

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.
Workpiece
Steady Rest
Tailstock
4

CAUTION
Avoid sudden impact to any part of the unit which may cause damage to the
internal mechanism.
NO!
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.
Eye bolt
Leash or Wire
5