Kitagawa GT Manual de usuario

Original instructions

NC Rotary Table

INSTRUCTION MANUAL

Model：GT

KITAGAWA IRON WORKS CO., LTD. MA0638EHG1

・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

NOTICE

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.

Indicates an Imminently hazardous situation which,

If not avoided, will result in death or serious injury.

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.

Instructions for table performance and avoiding

errors or mistakes.

DANGER

WARNING

CAUTION

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

For Your Safety ･････････････････････････････････・・・・・・･･･････・・・・・・・・・・

Specifications ･････････････････････････････････････････････････・・・・・・・・・・

Accuracy Standard ･････････････････････････････････････････････・・・・・・・・・

Operation Ready ･････････････････････････････・････････････････・・・・・・・・・

4-1. Table transfer and mounting to machine tool

4-2. Oiling

4-3. Required lubrication Oil volume

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 ･･････････････････････････・・・・・・・・・・・・･･･････････・・・・・・・・・・

7-1. Precautions for table clamp

7-2. Supply of pneumatic for clamp

7-3. Air purge

7-4. Manually-releasing method of clamp

7-5. Checking device for CLAMP/UNCLAMP

7-6. Solenoid Valve for CLAMP/UNCLAMP

7-7. Replacement of excitation CLAMP/UNCLAMP of solenoid valve

Mounting the Workpiece ････････････････････････････････････・・・・・・・・・・・・

Maintenance Work ･･････････････････････････････････・・・・・・・・・････・・・・・・

9-1. Corrective Action in Case of Failure, and Disassembly

9-2. Before Performing Maintenance Work

10.

Backlash Adjustment of Worm Gears ･･･・・・・･･････・・・・・・・・・・・・・・・・・・・・・

10-1. Backlash measuring method of worm gear

10-2. Backlash adjusting method of worm gear

11.

ZRN( Zero Return ) device ･･････････････････････････・･･･････・・・・・・・・・・・・

11-1. ZRN device on table

11-2. ZRN device Adjustment

11-3. Sensor Mechanism

12.

Motor Case ･・･･････････････････････････････････････････････・・・・・・・・・・・・・

12-1. To remove motor case

12-2. Countermeasures for waterproofing

Page

13.

Troubleshooting ･･････････････････････････････････････・・・・・・・・・・・・・・・・・・

14.

Parts List ･･････････････････････････････････････････・・・・・・・・・・・・・・・・・・・・

15.

Storage ･･････････････････････････････････････････････････････・・・・・・・・・・・

16.

Disposal of NC Rotary Table･･･････････････････････････････・・・・・・・・・・・・・・

17.

Conversion of Arc Length and Angle ･････････････････････････・・・・・・・・・・・

18.

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

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.

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

DANGER

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.

Strength Dimension : 10.9

Hex. Bolt Size

Torque N・m

M10

49.9

M12

86.2

M16

214.6

M20

421.4

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.

WARNING

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!

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

WARNING

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.

When transporting the unit, make sure to use eye bolts and a sufficient leash or

wire.

Leash or Wire

Eye bolt

NO!

PNEUMATIC

CAUTION

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