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Influence of Wheel Blunting on the Machining Precision in CNC Plunge Grinding: Digital Twin Analysis

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Abstract

The machining precision in grinding a flexible shaft by sharp and blunt wheels is compared for a CNC system with a specified cycle of radial supply velocities. To that end, the margin removal is analyzed in grinding by sharp and blunt grinding wheels. The machining process is simulated by means of a digital twin of CNC plunge grinding. By that means, the actual supply velocity is calculated for specific parameters of the grinding cycle. A method is described for calculating the blunting of the abrasive grains in a blunt wheel with specified characteristics. The model of grinding is based on analytical relations specifying the functional relations of the cutting force with the specified cutting conditions, the geometry of the cutting zone, the wheel’s characteristics and its dimensions, the cutting depth, and different degrees of grain blunting.

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Funding

This research was funded by Ministry of Science and  Higher Education of the Russian Federation (grant no. FENU-2020-0020).

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Authors and Affiliations

  1. South Ural State University, Chelyabinsk, Russia

    A. V. Akintseva, P. P. Pereverzev, A. V. Prokhorov & S. V. Omel’chenko

Authors
  1. A. V. Akintseva
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  2. P. P. Pereverzev
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  3. A. V. Prokhorov
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  4. S. V. Omel’chenko
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Corresponding authors

Correspondence to A. V. Akintseva, P. P. Pereverzev, A. V. Prokhorov or S. V. Omel’chenko.

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Translated by B. Gilbert

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Akintseva, A.V., Pereverzev, P.P., Prokhorov, A.V. et al. Influence of Wheel Blunting on the Machining Precision in CNC Plunge Grinding: Digital Twin Analysis. Russ. Engin. Res. 42, 726–730 (2022). https://doi.org/10.3103/S1068798X22070048

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  • DOI: https://doi.org/10.3103/S1068798X22070048

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