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Bunch o centers

K

kylemp

Well-Known Member
I've got a pile of left over centers that I stumbled on, picture attached. They range from mt3 to mt5 I believe.

If anyone is interested let me know.
20200626_111513.jpg
 
CNC dead centers are threaded dead centers that are commonly used in turning applications. Unlike grinders, CNC lathe tailstocks lack a through hole to aid in knocking the dead center out of the tailstock. Tailstock pressures in dead center turning applications are also considerably higher than that normally used in grinding. The lack of a through hole coupled with the high tailstock pressure can literally lock the center into the tailstock making it very hard to remove. CNC dead centers are threaded to allow the use of a take off nut to help remove the center from the tailstock. The nut bottoms against the face of the tailstock as it is threaded over the center. Since the nut can’t move axially, forcing the nut to turn with a wrench draws the center out of the tailstock.
 
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