Kitagawa SC N Series Bedienungsanleitung

Version 1.04 (2011.04.01)

Original instructions

INSTRUCTION MANUAL

SC-(F)N / JN-(T)N type

Scroll Chuck for Rotary Table

・ 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

KITAGAWA IRON WORKS CO., LTD.

77-1 Motomachi, Fuchu, Hiroshima 726-8610 Japan

TEL +81-(0)847-40-0526

FAX +81-(0)847-45-8911

Preface

This manual provides detailed information about how to safely and correctly use the scroll

chuck (SC-N, SC-FN, JN-N, JN-TN type) for a rotary table.

Before starting to use this scroll chuck, read this manual carefully and always follow the

instructions and warnings in "Important Safety Precautions" and "Precautions for Use"

at beginning of the manual. Failure to follow these precautions could result in a serious

accident.

Terms and Symbols Used for Safety Messages

In this manual, precautions for handling that are considered especially important are

classified and displayed as shown below depending on the damage of risk including the

seriousness of the harm that could result. Please sufficiently understand the meanings of

these terms and follow the instructions for safe operation.

Safety Alert Symbol

The triangle is the safety alert symbol used to alert you to potential safety hazards that

could result in injury or death.

Indicates a hazardous situation which, if you not avoided, will

result in death or serious injury.

Indicates a hazardous situation which, if you not avoided,

could result in death or serious injury.

Indicates a hazardous situation which, if you not avoided,

could result in minor or moderate injury.

Indicates instructions which, if not avoided, could result in

damage to the equipment or a shortened work life.

Liability and How to Use this Manual

This product is suitable for gripping a workpiece on the rotary tables. This product is

equipped with the jaws to clamp the workpiece and they operate by the handle. For any

other applications, please contact us.

Our company will not assume responsibility for injury, death, damage, or loss resulting from

not following the instructions in this manual.

There are countless things that cannot or should not be done, and it is impossible to cover

all of them in this manual.

Therefore, do not perform any actions unless they are specifically allowed in this manual. If

any questions related to safety arise about operation, control, inspection and maintenance

which are not specified in this manual, please confirm them with our company or distributor

before performing them.

Guarantee and Limitation of Liability

The guarantee period of this product is 1 year after delivery.

Use the parts delivered by Kitagawa Iron Works for all the parts including consumable parts.

We will not assume responsibility for injury, death, damage, or loss caused by usage of

parts not manufactured by Kitagawa Iron Works. Additionally, if parts other than genuine

parts manufactured by Kitagawa Iron Works are used, this guarantee will be completely

invalid.

Table of Contents

1. Structural Drawing and Parts List -----------------------------------------------------------------------5

1-1. Type display

1-2. Structural drawing

1-3. Parts list

2. Important Safety Precautions ------------------------------------------------------------8

3. Specifications ----------------------------------------------------------------------------------------------12

3-1. Specifications

3-2. Gripping range

3-3. Relationship between handle torque and gripping force

4. Forming Soft Jaw ------------------------------------------------------------------------------------------17

4-1. Attachment of soft jaw

4-2. Forming soft jaw with outside diameter gripping

4-3. Forming soft jaw with inside diameter gripping

4-4. Forming method when you use forming jig

5. Usage --------------------------------------------------------------------------------------------------------22

5-1. Precautions during gripping work with chuck

5-2. Precautions during gripping work in irregular shape

5-3. Precautions related to usage of jaw

5-4. Precautions related to processing

5-5. Attachment of locator and jig

6. Maintenance and Inspection ---------------------------------------------------------------------------26

6-1. Periodic Inspection

6-2. Grease lubrication

6-3. Disassembling

7. Malfunction and Countermeasures ------------------------------------------------------------------30

7-1. In the case of malfunction

7-2. Where to contact in the case of malfunction

8. Quality standard ------------------------------------------------------------------------------------------32

7-1. Runout accuracy

For Machine Tool Manufacturers (Chapter 9)

9. Attachment -------------------------------------------------------------------------------------------------33

9-1. Outline drawing of attachment

9-2. Manufacturing of back plate

9-3. Attachment of chuck

10. Other Information ----------------------------------------------------------------------------------------38

10-1. About standards and orders

10-2. Information about markings of product

10-3. About disposal

1. Structural Drawing and Parts List

1-1. Type display

Type display as shown below

Fig.1

1-2. Structural drawing

Fig.2

1-3. Parts list

Fig.3

Table 1 Quantity

No. Name SC-N SC-FN JN-N JN-TN

1 Body 1 1 1 1

2 Cover 1 1 1 1

3 Scroll 1 1 1 1

4 Pinion 3 3 3 3

5 Base jaw - - - 3

6 Top jaw - - - 3

7 Soft jaw - 3 - 3

8 Internal jaw 3 3 3 -

9 External jaw 3 3 3 -

10 Handle 1 1 1 1

11 Chuck attaching bolt 3 / 6 3 3 3

12 Jaw attaching bolt - - - 6

13 Cover attaching bolt 3 3 3 3

14 Grease nipple - - 1 1

14 Oil cup 1 1 - -

15 Knock pin 3 3 3 3

16 Hex key 1 1 1 1

17 Hex key - - - 1

2. Important Safety Precautions

Important safety precautions are summarized below. Please read this section before first

starting to use this product.

DANGER Failure to follow the safety precautions below will result in

serious injury or death.

Turn off main power supply before attaching, inspecting or replacing

chuck, and before adding oil.

・ The chuck may start rotation

suddenly, and a part of the body or

clothing may be caught.

For All Users

OFF

Close door before rotating spindle.

・ If the door is not closed, you may touch

the rotating chuck or the work may fly out,

which is very dangerous. (In general, the

safety interlock function which allows

rotation only when the door is the manual

mode or the test mode)

For All Users

When the protrusion of the work is long, support it with the steady rest or

center.

・ If the protrusion is long, the tip of the work

can turn and the work fly out.

For All Users

Important Safety Precautions

DANGER Failure to follow the safety precautions below will result in

serious injury or death.

Always tighten the bolts at the specified torque. If the torque is

insufficient or excessive, the bolt will break, which is dangerous as the

chuck or work will fly out. Use the bolts attached to the chuck, and do not

use bolts other than these.

・ If the torque is insufficient or

excessive, the bolt will break, which

is dangerous as the chuck or work

will fly out.

・ Fix the spindle or the chuck when

you tighten bolts. Your hand could

slip and get injury when you work

without fixing the spindle.

・ You cannot control the torque by a

hex key. You must use a torque

wrench for torque control.

・ Tightening torque is moment of force when you tighten a bolt. Tightening torque= F×L.

Specified torque for

socket head cap screw

Bolt size Tightening torque

M5 8

N・m

M6 13

N・m

M8 33

N・m

M10 73

N・m

M12 107

N・m

M14 171

N・m

M16 250

N・m

M20 402

N・m

For All Users

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