Manufacturing and characterisation of highly porous metal bonded diamond grinding wheels

Research output: Contribution to journalArticleResearchpeer review

Authors

  • Berend Denkena
  • Benjamin Bergmann
  • Lennart Puls
  • Daniel Raffalt
  • Maren Friedrich
  • Kai Lübbermann
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Details

Original languageEnglish
Pages (from-to)138-147
Number of pages10
JournalCIRP Journal of Manufacturing Science and Technology
Volume56
Early online date21 Dec 2024
Publication statusPublished - Feb 2025

Abstract

Currently, there is no economical method for producing porous metal-bonded diamond grinding wheels. The availability of such a method would allow for the combination of the advantages of a highly porous vitrified-bonded grinding wheel with the high strength of a metal-bonded grinding wheel. This work investigates two methods for the production of porous metal-bonded grinding wheels to achieve this goal. It is shown that it is possible to produce porous metal bonds for grinding tools based upon small adjustments to a FAST sintering process. This allows the production of porous metal-bonded grinding tools with existing infrastructure and known bonding systems. A model is derived for the reproducible design of porosity up to 30 % by volume based on manufacturing parameters, as well as the influence of the pore content on the mechanical properties of the bond material. Secondly, a method for evaluating the self-sharpening behaviour of grinding wheel bonds depending on the workpiece material is proposed. In grinding experiments using dense and porous metal-bonded grinding wheels, the increased self-sharpening effect for the porous bond is confirmed as well as a reduction in grinding forces. This shows the high potential of metallic porous bonds with regard to self-sharpening.

Keywords

    FAST Sintering, Grinding, Grinding Wheel Bond, Mechanical testing, Porous Metals, Self-Sharpening

ASJC Scopus subject areas

Cite this

Manufacturing and characterisation of highly porous metal bonded diamond grinding wheels. / Denkena, Berend; Bergmann, Benjamin; Puls, Lennart et al.
In: CIRP Journal of Manufacturing Science and Technology, Vol. 56, 02.2025, p. 138-147.

Research output: Contribution to journalArticleResearchpeer review

Denkena, B, Bergmann, B, Puls, L, Raffalt, D, Friedrich, M & Lübbermann, K 2025, 'Manufacturing and characterisation of highly porous metal bonded diamond grinding wheels', CIRP Journal of Manufacturing Science and Technology, vol. 56, pp. 138-147. https://doi.org/10.1016/j.cirpj.2024.12.006
Denkena, B., Bergmann, B., Puls, L., Raffalt, D., Friedrich, M., & Lübbermann, K. (2025). Manufacturing and characterisation of highly porous metal bonded diamond grinding wheels. CIRP Journal of Manufacturing Science and Technology, 56, 138-147. https://doi.org/10.1016/j.cirpj.2024.12.006
Denkena B, Bergmann B, Puls L, Raffalt D, Friedrich M, Lübbermann K. Manufacturing and characterisation of highly porous metal bonded diamond grinding wheels. CIRP Journal of Manufacturing Science and Technology. 2025 Feb;56:138-147. Epub 2024 Dec 21. doi: 10.1016/j.cirpj.2024.12.006
Denkena, Berend ; Bergmann, Benjamin ; Puls, Lennart et al. / Manufacturing and characterisation of highly porous metal bonded diamond grinding wheels. In: CIRP Journal of Manufacturing Science and Technology. 2025 ; Vol. 56. pp. 138-147.
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