Processes and Equipment for the Preparation of Coke Pitch and Graphitoplast Compositions for Pressing of Intermediate Products for Electrical Engineering

This article discusses advanced developments in the field of manufacture of electrical machine brushes. A new method for manufacturing by mixing coke pitch and graphitoplast compositions for making brushes, a new mixer design, and a new graphitoplast composition are presented.

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Correspondence to M. N. Samodurova or L. A. Barkov or R. A. Zakirov or Y. S. Latfulina.

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Translated from Metallurg, Vol. 63, No. 12, pp. 84–87, December, 2019.

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Samodurova, M.N., Barkov, L.A., Zakirov, R.A. et al. Processes and Equipment for the Preparation of Coke Pitch and Graphitoplast Compositions for Pressing of Intermediate Products for Electrical Engineering. Metallurgist 63, 1337–1340 (2020). https://doi.org/10.1007/s11015-020-00956-3

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Keywords

  • electrical machine brushes
  • coke pitch composition
  • graphitoplast composition
  • manufacturing method
  • mixing
  • mixer design