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Variable-Tooth-Thickness Worm-Type Tool and Method For Using The Same To Fabricate Gears
Variable-Tooth-Thickness Worm-Type Tool and Method For Using The Same To Fabricate Gears
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机译:变齿厚度蜗杆式工具及其制造齿轮的方法
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摘要
A variable-tooth-thickness worm-type tool comprises a main body and a spiral blade distributed on the main body and featuring variable tooth thickness. The main body and the spiral blade are respectively described with a rack cutter coordinate system and a tool coordinate system. The vector parameters based on the rack cutter coordinate system are transformed into vector parameters based on the tool coordinate system so as to simulate the main body with a rack cutter and develop the spiral blade to have variable tooth thickness. Thus, when a gear blank is tooled, the distance between the centers of the tool holder and the workpiece holder can be set as a constant, and the feed in the radial degree-of-freedom can be neglected, with twists of tooth flanks being inhibited.
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