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How to select a fixed top taper

Aug 25, 2016

1, coaxial top and taper shank is less than 0.01.

2, taper shank using painting method checks contact with Morse taper hole standard rate shall not be less than 75%, and nearly big end.

3, the hardness of the heat treatment requirement: lathe is not lower than RC60 taper shank is not lower than RC42.

Currently, neutral General lathe of fixed top and spindle of tie are used metric cone degrees, cone degrees of size and top in top hole in the contact degree has directly relationship, processing heavy artifacts Shi, to imposed is big of top tight force, cone degrees select had small, due to wedge have had tight, on difficult to from top hole in the out, so, need select appropriate of cone degrees.