Hollow Shaft Processing Method of Coal Shearer and Grinding Top Used for Grinding Hollow Shaft
A processing method and hollow shaft technology, which are applied in the direction of grinding workpiece supports, etc., can solve the problems of low efficiency of the hollow shaft grinding process and the hollow shaft can not meet the production needs, and achieve the desired effect.
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[0026] A method for processing a hollow shaft of a shearer includes the following processing steps:
[0027] Step 1: Receive the initial bar material of the hollow shaft of the shearer, then machine the bar material into a spline small-diameter through hole, and punch it into a semi-finished product with a center hole;
[0028] Step 2. Position and clamp the two ends of the semi-finished product with the center hole with the center hole. First, the full-length knife checks that the curvature is not more than 3, and the right end of the rough car; for another, the two ends are positioned and clamped with the center hole. Locate and clamp with the center hole, first check with the full length knife that the curvature is not greater than 3, and the right end of the rough car Average to ¢105 roughness is 3.2; ¢105, Even to ¢130, the flat end surface allowance is 2, the end car length is 10, the taper is 30° conical surface; replace the two flat ends with the center hole for pos...
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