
2.SPINDLE DESIGNING AND MOTOR MOUNTING B-65342EN/01
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2.3 THE WAY TO ASSEMBLE THE SPINDLE
Please assemble the spindle, according to following information.
WARNING
1 Please be careful to magnetic force on rotor surface.
Rotor has very strong magnets inside. Please take
great care not to bring rotor close to magnetic
materials. If crash is caused, and if a hand is
sandwiched, it will be very danger.
2 When the rotor comes to close the stator bore, the
rotor suddenly may rush into stator bore by magnetic
force. Take great care not to be hit and sandwich
fingers. Do not stand on axial extended direction.
CAUTION
Rotor is very heavy. Therefore be careful to injuries.
Guide parts of non magnetic material
(such as SUS3xx)
Guide
The gap less than 0.05 is recommended.
The center of a guide and stator bore being
less than 0.2 is recommended.
Something to support
CAUTION
Rotor has very strong magnets inside.
So please handle with great care.
Balance-rings are also Guide-rings.
These are provided by FANUC.
Something to support non magnetic material
Insert slowly.
This structure of joint is only one of image.
It depends on the structure of customer's spindle.
The diameter of guide
s the diameter, Fanuc recommend
φ
D.
CAUTION
When the rotor approaches to around 50mm, the
rotor rushes into stator bore suddenly by magnetic
force. So please take great care not to sandwich
fingers and not to hit by a shaft or a guidance part..
B
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s132Lx
B
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s160Lx