Fixture for edge grinding of twin-stage gun drill
A technology of gun drilling and sharpening, which is applied in the directions of drilling tool accessories, drilling/drilling equipment, and components of boring machines/drilling machines, etc., to achieve the effects of excellent cutting performance, less equipment investment and simple structure
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[0014] Below in conjunction with accompanying drawing, the present invention is described in detail, as figure 1 As shown, the core part of the fixture of the present invention is that the feed is composed of a housing 6, a helical movement shaft 4, and a helical guide sleeve 8, wherein the helical guide sleeve 8 is fixed in the housing 6, and the helical movement shaft 4 is threadedly connected with the helical guide sleeve 8. One end of the screw motion shaft 4 is a force application end, and the screw motion shaft 4 moves axially in the screw guide sleeve 8 by rotating at the force force end. In order to facilitate the rotation of the screw shaft 4, a working knob 3 is fixed at the force application end, and a spring 5 is arranged between the working knob 3 and the spiral guide sleeve 8, and the spring 5 removes the influence of the gap when the feed is rotated.
[0015] In the process of machining feed, in order to prevent friction between the workpiece and the flank, ...
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