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Effect of Grinding Parameters on the Surface Quality of Cutting Tools Made of High-Speed Low-Alloy Steels

The occurrence of defects caused by sharpening leads to the considerable variation of lifetime of cutting tools under identical processing conditions. The loss of cutting ability of cutting tools or the change of the blade original geometry influences the quality of the surface finish as well as both dimensional and shape accuracy of workpieces. The effect of the grinding parameters on the surface finish of selected high-speed steels has been investigated. The influence of the grinding parameters has been defined especially for surface roughness, grinding forces and grinding ratio with a wide range of grinding parameters. It is found that the value of average roughness (Ra ) parameter decreases together with an increase in the grinding depth and the feed length. Furthermore, the value of Ra increases proportionally to the grinding depth. To improve the efficiency of sharpening, it is required to increase the feed length other than the grinding depth.

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Correspondence to T. Trzepiecinski.

Additional information

Translated from Problemy Prochnosti, No. 4, pp. 110 – 118, July – August, 2016.

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Jaworski, J., Trzepiecinski, T. & Stachowicz, F. Effect of Grinding Parameters on the Surface Quality of Cutting Tools Made of High-Speed Low-Alloy Steels. Strength Mater 48, 566–572 (2016). https://doi.org/10.1007/s11223-016-9799-3

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Keywords

  • grinding
  • high-speed steel
  • surface roughness
  • temperature