On 10/31/2017 10:45 AM, Ed wrote:
I have a noisy bearing on the Z axis motor of my CHNC
Hardinge that needs to be replaced.
Does it hurt anything to remove the rotor from the field
housing to replace the bearings?
Steppers are damaged by improper disassembly, what about
DC brush servos ?
Ugh. It depends! Some magnets can lose significant
strength when the keeper (armature) is removed.
Alnico is likely the worst. Ceramic magnets are likely to
not be harmed. If unsure, you could make a steel tube about
the same diameter as the armature to slide in as you are
sliding the armature out. Then, reverse the process when
reinstalling the armature.
Jon
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