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End mills for Stainless Steel threading, milling

Date:2016/9/13 click:1508times

"End mills for Stainless Steel" threading: workpiece material is 1Cr18Ni9Ti, thread size is M20 × 2.5. Original YG8 hard alloy, Vc = 10 m / min, f = 2.5 mm / r, ap = 0.3 ~ 0.4 mm, not a primary processing tool sharpening. Carbide switch 813, under the Vc = 36 m / min conditions, can be processed two or more, efficiency and tool life can be increased more than twice. Milling: The workpiece material was Cr17Ni2, plane milling, cutting the amount of Vc = 90 ~ 100 m / min, ap = 3 ~ 4 mm, af = 0.15 mm / z. Tool for the indexable end mill, cutting tool materials YW4, tool geometry parameters 0 = 5 °, 0 = 8 °, r = 75 °, s = 5 °. Tool life of 41 min.

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