1. GB11334 specifies several items for cone tolerance? A: The cone is a multi-parameter part. From the function, the national standard specifies the following four items of conical tolerance: (1) Cone diameter tolerance T_D: It is suitable for cone length L range All cone diameters inside. (2) The taper angle tolerance AT is given by the angle value ATα or the line value AT_D. (3) The shape tolerance T_F of the cone. It includes conic line straightness tolerance and section roundness tolerance. (4) Given a section cone diameter tolerance T_(DS), which applies only to the cone diameter of the given section.
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