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More Precise Shaping of Guide Screws with Trapezoidal Thread

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Abstract

How does the thread-cutter configuration with respect to the workpiece axis in roughing affect the shape precision of the external trapezoidal thread and the margin in final grinding? That question is investigated in the present work. An algorithm is outlined for determining the transverse profile of the helical channel in the external trapezoidal thread at the inner, central, and outer diameters. The channel profile calculated from that algorithm determines the cutting-edge profile at the front surface of a cutter positioned perpendicularly to the part’s helical surface for preliminary machining.

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REFERENCES

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Correspondence to V. A. Grechishnikov, P. M. Pivkin or A. A. Timofeev.

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Translated by B. Gilbert

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Grechishnikov, V.A., Petukhov, Y.E., Pivkin, P.M. et al. More Precise Shaping of Guide Screws with Trapezoidal Thread. Russ. Engin. Res. 40, 768–771 (2020). https://doi.org/10.3103/S1068798X20090051

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  • DOI: https://doi.org/10.3103/S1068798X20090051

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