FRETTING WEAR REDUCTION OF INTERFERENCE FITTED CONE CRUSHER HEAD
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United States of America Patent
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Issued Date -
Aug 15, 2024
app pub date -
Jun 6, 2022
filing date -
Jun 28, 2021
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Abstract
A cone crusher head, system, and crusher including the cone crusher head and system. A conical mantle radially extends from an interference fit section and has a head diameter Dch. The conical mantle has a wear part support surface and a shaft support surface. The interference fit section has a nominal interference fit diameter Dif. The conical mantle has an armpit groove for receiving a slip ring. The armpit groove is covered by the conical mantle with an armpit thickness La. Fretting wear is reduced by dimensioning the crusher head so that a ratio of the head diameter Dch to the nominal interference fit diameter Dif is most 2.5; and a ratio of the head diameter Dch to the armpit thickness La is at least 10.5.
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