distortion

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    Distortion Of 4130 Round Stock?

    I am planning on turning a D1-4 camlock backplate for my lathe. In the past, I have made an ER20 collet bar (that I just hold in the 4-jaw) using 4130 in the annealed condition, as well as an MT-2 gear cutter arbor, and I was quite happy with the way it machined. This time round, I am...
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