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※Specifications may be changed without notice.
HEAD OFFICE＆FACTORY ：700 Shimohinata， K anuma-shi， Tochigi-ken 322-8666， Japan
TE L：0289-64-3380
TOKYO OFFICE：6F MY Bldg.， 1-13-3 Ueno， Taito-ku， Tokyo 110-0005， Japan
TE L ：03-3835-2892
http://www.nsk-nakanishi.co.jp e-mail: box＠nsk-nakanishi.co.jp
NSK AMERICA CORPORATION
700 B Cooper Court
Schaumburg, Illinois 60173
Tel． （ 847） 843-7664 Fax． （ 847） 843-7622
FAX：0289-62-5636
FAX ：03-3835-2856
ASTRO-E 250
OPERATION MANUAL
* FEATURES ............................................................P. 1
* TORQUE CHARACTERISTIC GRAPH ........................................P. 2
* NOMENCLATURE ( Fig. 1 ) ................................................ P. 2
* NOMENCLATURE ( Fig. 2 & 3 ) ............................................ P. 3
* CONNECTION OF MOTOR CORD PLUG AND POWER SOURCE CORD ..............P. 4
* CONNECTION OF SEQUENCE CONTROL CORD ................................P. 4
* CONNECTION OF COOLING AND DUST PROTECTION AIR JOINT ..................P. 5
* OPERATION PROCEDURES ..............................................P. 5
* MOTOR PROTECTION CIRCUIT ............................................P. 6
* REPLACING FUSE ......................................................P. 6
* HANDLING MOTOR AND SPINDLE ........................................P. 6
* REPLACING CUTTING TOOL AND COLLET CHUCK ............................P. 7
* INSTALLING NR-302 ....................................................P. 8
* CAUTIONS FOR CUTTING TOOLS IN USE ....................................P. 8
* ATTACHMENT SYSTEM CHART ............................................P. 9
* TROUBLE SHOOTING....................................................P.10
05 .06.005.◯ A
CONTROL UNIT NE-72
CONTENTS
OM-K0155E Rev.1
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Summary of Contents for NSK ASTRO-E 250
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Page 1: Table Of Contents
ASTRO-E 250 OPERATION MANUAL OM-K0155E Rev.1 CONTROL UNIT NE-72 CONTENTS * FEATURES ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥P. 1 * TORQUE CHARACTERISTIC GRAPH ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥P. 2 * NOMENCLATURE ( Fig. 1 ) ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ P. 2 * NOMENCLATURE ( Fig. 2 & 3 ) ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ P. 3 * CONNECTION OF MOTOR CORD PLUG AND POWER SOURCE CORD ‥‥‥‥‥‥‥P. -
Page 2: Features
When using the motor with loaded condition continuously, use it less than the maximam torque 0.45cN ・ m ( primary current 0.9A ) . r ASTRO-E 250 is not a hand tool. Use it installing on a lathe, NC lathe, automatic machine, special purpose machine, etc. - Page 3 ◆ CONNECTION OF MOTOR CORD PLUG ⑰ Sequence Control Connector Confirming the position of Motor Cord Plug, insert the ⑬ Heat Radiation Pore plug into Motor Output Connector located on the front side of control unit and tighten with the union nut. ⑭ Inlet Box with Power Source Fuse ( Fig.
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Page 4: Connection Of Cooling And Dust Protection Air Joint
◆ MOTOR PROTECTION CIRCUIT ( Release of Reset Switch ) ◆ CONNECTION OF COOLING AND DUST PROTECTION AIR JOINT q Remove the filler screw of air intake inlet with a screw Electronic circuit breaker works to protect the motor when overloaded. When the circuit breaker works during the operation, red LED lamp by Forward / Reverse Select Swich lights up. -
Page 5: Cautions For Cutting Tools In Use
◆ REPLACING CUTTING TOOL ◆ INSTALLING OF SPINDLE q Set the spindle with the provided 12A spanner To install the spindle on a holder, the installation method as shown in Fig.19 is recommended. If it is not CuttingTool Loosen Collet Cap wrench. -
Page 6: Attachment System Chart
◆ TROUBLE SHOOTING ◆ ASTRO-E 250 ATTACHMENT SYSTEM CHART Please check the following points before asking for repair. Collet Cap Collet CHK-□□ 〈Unit・Motor〉 Grindstone Axis AGM-03 Trouble Check Points Probable Cause Action Taken Spindle NR-302 NR-2350 Metal Saw Axis KCH-03 ¡Power plug is not connected ¡Connect the plug properly.