New antifriction composites for printing machines based on tool steel grinding waste

Roik, Tetiana and Gavrysh, Oleg and Rashedi, Ahmad and Khanam, Taslima and Raza, Ali and Jeong, Byongug (2022) New antifriction composites for printing machines based on tool steel grinding waste. Sustainability, 14 (5). 2799. ISSN 2071-1050 (

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In this article, we present research results on the structure and properties of new self-lubricating antifriction composites based on 4H4VMFS tool steel grinding waste with solid lubricant additives. The new composites are designed to work in the friction units of offset cylinders in printing machines at rotation speeds up to 7000 rpm and increased loads up to 5.0 MPa. The developed technology formed composites with a fine-grained heterophase structure with a metal matrix base of tool steel 4H4VMFS regenerated grinding waste, consisting of high-alloy α−solid solution and hard grains of alloying element carbides, as well as evenly distributed CaF2 antiseizure solid lubricant. This structure ensured the formation of composites with favorable functional properties. During the friction process, antiseizure films were formed on the contact surfaces, resulting in a self-lubrication mode. Comparative tests for friction and wear showed significant advantages of the new waste composite compared to cast bronze parts, which are traditionally used in the friction units of offset cylinders of rolled newspaper printing machines. The stable operation of the new composite made it possible to ensure a "wear-free" effect. Studies have shown the importance and prospects of using the wide range of valuable grinding waste in the reproduction cycle to manufacture quality composites. Reuse of such waste would significantly protect the environment from pollution connected with human activity industrial and mitigate negative impacts on ecosystems and the biosphere.


Roik, Tetiana, Gavrysh, Oleg, Rashedi, Ahmad, Khanam, Taslima, Raza, Ali and Jeong, Byongug ORCID logoORCID:;