Nakanishi IR-310 Manuale utente

OM-K0493E 002

Ring Type Attachment

OPERATION MANUAL

Thank you for purchasing the Ring Type Attachment " IR - 310 ". This Attachment

designed for powerful and delicate cutting and grinding, and made slim and light

weight for comfortable gripping. The Emax EVOlution control unit and motor or

ROTUS air motor are required to drive this Attachment. Read this and all the

associated component Operation Manuals carefully before use. Always keep this

Operation Manual in a place where a user can referred to for reference at any time.

1. CAUTIONS FOR HANDLING AND OPERATION

■

Read these warnings and cautions carefully and only use in the manner intended.

■

These warnings and cautions are intended to avoid potential hazards that could

result in personal injury to the operator or damage to the device. These are

classied as follows in accordance with the seriousness of the risk.

①This Attachment is designed for hand use. Never install this

Attachment or any hand tool on a machine such as a special

purpose machine, NC lathe or mill.

②

Do not touch the cutting tool while it is rotating. It is very dangerous.

③

Wear safety glasses, dust mask, and use a protective cover around

the Spindle whenever the Spindle is rotating.

④When installing a cutting tool, tighten the collet correctly and

check again the collet before use. Do not over-tighten the collet.

This may cause damage to the spindle.

⑤Do not use grindstones with an outside diameter over 15mm.

⑥

Do not exceed 13mm of overhang for mounted grindstones as shown

in Fig. 1. If the overhang must exceed 13mm, reduce the motor speed

in accordance with Table. 1.

⑦Do not use bent, broken, chipped, out of round or sub-standard

cutting tools as they may cause shatter or explode. The cutting

tool with cracked, bended may cause some injury to operator.

When using a new cutting tool, rotate it in a low speed and

increase speed gradually for safety.

⑧

Always operate cutting tools within the cutting tool manufacturer's

recommended speed limits. Use of a cutting tool higher than the

manufacturer's recommended speed limits could cause damage to

the spindle and injury to the operator.

⑨

Do not apply excessive force. This may cause tool slippage, tool

damage, injury to the operator, loss of concentricity and precision.

①Do not drop or hit this Attachment, as shock can damage to the

internal components.

②

Be sure to clean the collet, the spindle taper and threads before

replacing the cutting tool. If ground particles or metal chips stick

to the inside of spindle or the collet, damage to the collet or

spindle can occur due to the loss of precision.

③When cleaning an Attachment, stop the motor and remove dirt

with a brush or a cloth. Do not blow compressed air into the

Attachment. Foreign particles or cutting chips may get into the

ball bearings.

④Always clean the cutting tool shank before installing the tool in

the spindle.

⑤When sizing the correct collet size to the cutting tool shank

diameter, a tolerance of +0 〜

0.01mm is strongly recommended.

A tool shank within the +0〜

0.1mm range is mountable,

however, this may cause poor concentricity and or insufcient

cutting tool shank gripping force.

CAUTION

Overhang (mm）Max. Speed (min

-1

) (rpm)

20 N x 0.5

25 N x 0.3

50 N x 0.1

Table. 1 Overhang and Speed

*N=Max. Operating Speed with 13mm overhang.

Fig. 1

⑥Select suitable products or cutting tools for each application. Do

not exceed the capabilities of the Attachment or cutting tools.

⑦Keep everything in order not to place the rag which could be

caught near the hand tool.

⑧Stop operating immediately when abnormal rotation or any

unusual vibrations are observed. Afterwards, please check the

content of section " 10. TROUBLESHOOTING ".

⑨Always check if the cutting tool, collet is damaged before and after

operating.

⑩If the collet show signs of wear or damage, replace it before a

malfunction or additional damage occurs.

⑪No lubrication is required because grease impregnated ball

bearings are used.

⑫After installation, repair, initial operation, or long periods of non

operation, please carry out break-in as follow. Start rotating slowly

and over a short period of 5 - 10 minutes, increase speed gradually

until allowable maximum speed.

⑬Do not disassemble, modify or attempt to repair the Attachment.

Additional damage will occur to the internal components. Service

must be performed by NSK NAKANISHI or an authorized service

center.

CAUTION

2. BASIC PACKAGE

IR - 310 Attachment

・・1pc.

Collet

ȭ3.0mm (CHH - 3.0)* or

ȭ2.35mm (CHH - 2.35)

･･Each 1pc.

CHH - 2.35

Wrench (7 x 5.1) ･･1pc.

Pin Wrench (K - 233)

･･ 1pc.

L Shaped Wrench

･･ 1pc.

Operation Manual

・・1set

5.1

ྲྀᢅㄝ󰩣᭩

OPERATION MANUAL

3. WARRANTY

4. CONTACT US

We provide a limited warranty for our products. We will repair or replace the

products if the cause of failure is due to the following manufactures defects.

Please contact us or your local distributor for details.

①Defect in manufacturing.

②Any shortage of components in the package.

③Where damaged components are found when initially opening the package.

(This shall not apply if the damage was caused by the negligence of a customer.)

*The collet is attached to the Attachment.

Company Name

Business Hours

U.S. Toll Free No.

Telephone No.

Fax No.

Web Address

Industrial Div.

: 8:30am to 17:00pm (CST)

(closed Saturday, Sunday and Public Holidays)

: 800-585-4675

: 847-843-7664

: 847-843-7622

: www.nskamericacorp.com

Contact UsContact Us

For U.S. Market

Company Name

Business Hours

Telephone No.

e-mail Address

: 8:00am to 17:00pm

(closed Saturday, Sunday and Public Holidays)

: +81 (0) 289-64-3520

: [email protected]

For Other Markets

WARNING

Class Degree of Risk

WARNING

A safety hazard could result in bodily injury or

damage to the device if the safety instructions

are not properly followed.

CAUTION

A hazard that could result in light or moderate

bodily injury or damage to the device if the

safety instructions are not followed.

Table. 2 Packing List Contents

For your safety and convenience when purchasing our products, we welcome

your questions.

If you have any questions about operation, maintenance and repair of the

product, please contact us.

When opening the package, check if it includes all items listed in " Table. 2

Packing List Contents ".

In the event of any shortage, please contact either NAKANISHI (see the

" 4.

6. SPECIFICATIONS AND DIMENSIONS

6 - 1 Specications

Model IR - 310

Maximum Allowable Motor Speed

Less than 40,000min-1 (rpm)

Applicable Motor ENK - 410S / ENK - 250T (Emax EVOlution)

IM-301 (ROTUS air motor)

Vibration Level Less than 2.5m/s2

Weight 92g

Noise Level at 1m distance Less than 70dB（A）

Collet

（CHH- □□）

ȭ1.0mm, ȭ1.5mm, ȭ1.6mm, ȭ2.0mm, ȭ2.35mm

ȭ3.0mm, and ȭ3.175mm

6 - 2 Outside View

13.3

（78.7）

（65.4）

ȭ20

ȭ12.8

ȭ13.3

Fig. 2

7. CONNECTION OF THE ATTACHMENT TO THE MOTOR

CAUTION

Make sure your hands and all interlocking parts of the Attachment

and motor are clean before connecting the motor to the Attachment.

This is critical in preventing contaminants from entering the motor

or Attachment.

Align the thread on the front end of the

motor and the rear end Attachment,

and turn the Attachment clockwise.

If the drive shaft of the motor does

not engage properly to the drive dog

on the Attachment, it may only turn

aprroximately two threads before

stopping. DO NOT FORCE THEM

TOGETHER. Loosen the Attachment

from the motor, rotate the Attachment

shaft by hand then re-try. The drive

shaft and the drive dog must be fully

engaged. When fully engaged, secure

the motor and Attachment using the

provided pin wrench (K - 233).

Transmission Clutch

Fig. 3

8. CHANGING THE CUTTING TOOL

Turn the ring to the direction of OPEN, and the

collet will be loosened and the bur could be

removed. Turn the ring to the direction of LOCK,

and the collet will be fastened and the cutting

tool could be mounted. Make 'clank' when the

ring is turned (Fig. 4).

LOCK

OPEN

Fig. 4

②Cleaning the collet

Keep the collet clean. It.is recommended

to clean the collet at least a week. Coat oil

lightly on the collet before putting it back

into the Attachment.

③Mounting and adjusting the collet.

Turn the cutting tool / the dummy bur

clockwise to stop with the ring opened.

Return it about 1/5 ~ 1/4 to remove the cutting

tool / the dummy bur smoothly (Fig. 7).



Adjust the cutting tool referring to ③, if it is easy and/or difficult to remove

the cutting tool.

ձTurn until finger-tight

ղ1/5 turnղ1/5 turn

CAUTION

・When Ring is OPEN position, do not rotate the motor. This may

cause breakdown to the motor and Attachment. Be sure to conrm

the ring position is LOCK position, before rotating the motor.

・

Do not ring turn to the LOCK position, without inserting a cutting

tool or dummy bur, as this will result in damage to the collet.

10. TROUBLESHOOTING

If a problem or concern occur, please check the following items prior to consulting

your dealer.

Trouble Cause

Inspection / Corrective Action

Spindle does not

run with the

collet tightened.

(Ring is LOCK

position)

Cutting debris has

contaminated the ball

bearing, or the ball bearing

is out burned.

Replace the ball bearings.

(Return to NAKANISHI dealer service.)

Spindle does not

rotate or rotate

smoothly.

The spindles ball bearings

are damaged.

Replace the ball bearings.

(Return to NAKANISHI dealer service.)

The motor has been

damaged.

Replace the motor.

(Return to NAKANISHI dealer service.)

The ring is OPEN position. Turn the ring to LOCK position.

Overheating

during rotation.

Cutting debris has

contaminated the ball

bearing, and the ball

bearings are damaged.

Replace the ball bearings.

(Return to NAKANISHI dealer service.)

Abnormal

vibration or noise

during rotation.

Using bent cutting tool. Replace the cutting tool.

Cutting debris has

contaminated the ball

bearings.

Replace the ball bearings.

(Return to NAKANISHI dealer service.)

The spindles ball bearings

are damaged.

Cutting tool

slippage.

Collet is not correctly

installed.

Check and clean the collet.

Reinstall the collet and re-tighten.

Check the accuracy.

The collet is worn. Replace the collet.

High run-out. Cutting tool is bent. Replace the cutting tool.

The collet is worn. Replace the collet.

Inside of the spindle is

worn.

Replace the spindle shaft.

(Return to NAKANISHI dealer service.)

Contaminants inside

the collet or the spindle.

Clean the collet and the insid e of the

spindle.

The spindles ball bearings

are damaged.

Replace the ball bearings.

(Return to NAKANISHI dealer service.)

It is not possible

to mount / remove

the cutting tool.

Chucking system is broken.

Repair the chucking system.

(Return to NAKANISHI dealer service.)

The ring is not turned until

OPEN or LOCK position.

Turn the ring to OPEN or LOCK position.

The cutting tool is xed to

the collet.

Remove the cutting tool by using wrench.

(Refer to section

" 9.

REPLACING AND

CLEANING COLLET

)

11. DISPOSAL OF THE ATTACHMENT

When disposal of an Attachment is necessary, follow the instructions from your

local government agency for proper disposal of industrial components.

Contents are subject to change without notice.

2015.05.20 003

Fig. 7

9. REPLACING AND CLEANING COLLET

①Replacing the collet

Turn the collet counterclockwise with the ring opened, and the collet will be

removed (Fig. 5).

If it is hard to remove the collet, use the provided wrench.



The collet might be fastened and the cutting tool could not be removed, if the

cutting tool with large diameter is used under a high torque. Align the nose's

slit and Attachment's wrench position, and put an L shaped wrench to x the

Attachment. Open the ring, remove the dust proof cap to the tip of the collet

and turn the collet counterclockwise with a wrench for replacing collets to

remove it (Fig. 6).

Fig. 5

Loosen

Fig. 6

5. FEATURES

①Ring type (twist) chucking system makes it easier to change tools.

②The slim style, light weight Attachment is the best suited instrument for

delicate nish work.

Temperature Humidity Atmospheric

Pressure

Operation Environment 0 - 40°C

MAX.75%

(No condensation) 800 - 1,060hPa

Transportation and Storage

Environment -10 - 50°C 10 - 85%

500 - 1,060hPa

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