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Old May 12, 2011, 07:55 PM
Roto Rob is offline
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Denver, CO
Joined Dec 2005
6,903 Posts
My experience on other ball screws is the ball bearings wear the most. Some say the Nut wears the most. I always found that if the nut is worn, the balls are probably worn also. My Screw was not worn at all as far as I could tell, the preload felt the same all the way across the screw.
I will probably never use this machine anywhere near what it is capable of. I would have payed more care at sizing the balls, if I was going to run 150 ipm often. Honestly anything more than 30 ipm is getting kind of scary in a small room, this mill has some serious power. I have an aluminum guard for the front of the machine.
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