NSK ASTRO-E 400Z - 19．Break-In Procedure

21
19   
TheASTRO-E400Z/500Z/800Zis a high-precision, high-speed motor-spindle, the following procedure
mustbefollowedtoensureproperoperationandlongevity.
During transportation, storage or installation the grease inside the bearings will settle.  If the motor-
spindle is suddenly run at high-speed excessive heat will cause bearing damage.  After installation,
repair,initialoperation,orlongperiodsofnonoperationpleasefollowthebreak-inproceduredetailedin
Table3forAstro-E500ZandTable4forAstro-E800Z
And as for ASTRO-E400Z(40,000min
-1
), please follow the break-in procedure(steps1,2,3) detailed in
Table3
2
30,000
10Min.

SpindleHousingno
hotterthan20C.If
hotterthan20C
checkinstallation
andrestartBreak-In
procedure.
1
15,000
15Min.

NoAbnormalNoises
3
40,000
10Min.
(15Min.forASTRO-E400Z) 
SpindleHousingno
hotterthan20C.If
hotterthan20Cstop
foratleast20
minutes,check
installationand
restartBreak-In
procedure.
4
50,000
15Min.

SpindleHousingless
than20C.

Steps
min
-1
(rpm)
RunningTime

ItemstoCheck
2
30,000
2Min.
SpindleHousingno
hotterthan20C.If
hotterthan20Cstop
foratleast20
minutes,check
installationand
restartBreak-In
procedure.
1
10,000
5Min.
Noabnormalnoises
orvibration.Check
lubricatoroilsupply.
3
50,000
2Min.
SpindleHousingno
hotterthan20C.If
hotterthan20Cstop
foratleast20
minutes,check
installationand
restartBreak-In
procedure.
4
80,000
2Min.
SpindleHousingless
than20C.
Steps
min
-1
(rpm)
RunningTime
ItemstoCheck
Table３
Table４