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OPERATION MANUAL 

EMSF-3060K

Motor Spindle

OM-K0619E 001

Thank you for purchasing Motor Spindle " EMSF - 3060K ". This Motor Spindle is designed for grinding, small 
diameter drilling and milling, etc. The E3000 CONTROLLER and Air Line Kit are rquired to drive this Motor Spindle. 
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.

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. 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 classified as follows in accordance with the seriousness of the risk.

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.

This Motor Spindle is not a hand tool. It is designed to be used on CNC machines or special purpose 
machines.

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

Wear safety glasses, dust mask, and use a protective cover around the Spindle whenever the Spindle 
is rotating.

Never connect, disconnect or touch the Power Cord Plug or Motor Cord Plug with wet hands. This 
may cause an electric shock.

Never operate or handle the Motor Spindle until you have thoroughly read the Operation Manuals 
and safe operation has been confirmed.
1)  To prevent injuries / damages, check the Motor Spindle and cutting tool for proper installation, 

before operating the Motor Spindle. 

2)  Before disconnecting the Motor Spindle, always turn the control power off and turn the 

compressed air supply to the CONTROLLER off. Then it is safe to remove the Motor Spindle.

When installing a Motor Spindle to a fixed base, make sure the fixed base is grounded in order to 
avoid the risk of an electric shock.

When installing a tool, tighten the collet chuck correctly and check again the collet chuck and chuck 
nut before use. Do not over-tighten the collet chuck. This may cause damage to the spindle.

Do not use bent, broken, chipped, out of round or sub-standard tools, as this may cause them to 
shatter or explode. Tools with fractures or a bent shank will cause injury to the operator. When using 
a new tool, rotate it in a low speed and increase speed gradually for safety.

Do not exceed the maximum recommended allowable tool speed. For your safety, use speeds below 
the maximum allowable speed.

Do not apply excessive force. This may cause tool slippage, tool damage, injury to the operator 
or loss of concentricity and precision.

WARNING

Summary of Contents for EMSF-3060K

Page 1: ...k and use a protective cover around the Spindle whenever the Spindle is rotating Never connect disconnect or touch the Power Cord Plug or Motor Cord Plug with wet hands This may cause an electric shock Never operate or handle the Motor Spindle until you have thoroughly read the Operation Manuals and safe operation has been confirmed 1 To prevent injuries damages check the Motor Spindle and cutting...

Page 2: ...otor Spindle Carefully direct coolant spray to the tool Do not spray directly on the Motor Spindle body If large amount splay directly on the Motor Spindle it may cause excess load of the motor rotation with loss of durability to the Motor Spindle Stop working immediately when abnormal rotation or unusual vibration are observed Immediately please check the content of section 13 TROUBLESHOOTING Alw...

Page 3: ...e found when initially opening the package This shall not apply if the damage was caused by the negligence of a customer 4 CONTACT US 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 Company Name Business Hours U S Toll Free No Telephone No Fax No Web Address Indu...

Page 4: ... speed brushless motor which eliminates the need for brush replacement and frequent maintenance A quick disconnect cord is available for easy brushless motor removal Various sizes of collet chucks are available CHK 0 5mm 6 35mm Standard collet chuck is CHK 3 0mm or CHK 3 175mm For U S market CHK 3 175mm 5 FEATURES Model EMSF 3060K Maximun Motor Rotation Speed 60 000min 1 rpm Spindle Accuracy Less ...

Page 5: ...ure above and remove chuck nut assembly Fig 4 The collet chuck and chuck nut are secured by a groove in the collet chuck and a flange in the chuck nut To remove the collet chuck hold the chuck nut in one hand and push diagonally down on the collet chuck The collet chuck should be released Fig 5 To install the collet chuck hold the collet chuck at a slight angle and insert it into the chuck nut Fig...

Page 6: ...ectly in contact with the Motor Spindle body as shown in Fig 14 as this will result in damage to the Motor Spindle housing and internal components Do not hit drop or cause shock to the Motor Spindle when installing This flange designed to eliminate deformation damage of the Motor Spindle when performing the installation When install a Motor Spindle refer to Fig 13 Insert the Motor Spindle housing ...

Page 7: ... from the bearings causing excessive heat that will cause bearing damage After installation repair initial operation or long periods of non operation please follow the break in procedure detailed in Table 2 The proper surface speed for general grindstones is 10 30m s Do not exceed 13mm of overhang for mounted grindstones as shown in Fig 15 If the overhang must exceed 13mm reduce the motor speed in...

Page 8: ...let chuck and the chuck nut correctly The collet chuck and the chuck nut are worn Replace the collet chuck and the chuck nut Inside of the spindle is worn Replace the spindle shaft Return to NAKANISHI dealer service Contaminants inside the collet chuck and the chuck nut or the spindle Clean the collet chuck chuck nut and the inside of the taper and spindle The spindle ball bearings has been damage...

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