Knee mill cuts differently going up from going down.
Last night on my little Rockwell 21-100 mill, I was changing the radius on the underside of rifle scope base with a boring head.
As I raised the knee, there was cutting close to me, and then as I lowered the knee there was a new .001" of cutting on the mill side.
Is my vise too heavy? are the knee gibbs loose?
What is going on?
TIA
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