FRETTING WEAR REDUCTION IN INTERFERENCE FIT OF CONE CRUSHER HEAD
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United States of America Patent
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Issued Date -
Aug 8, 2024
app pub date -
Jun 6, 2022
filing date -
Jun 28, 2021
priority date (Note) -
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Abstract
A system, cone crusher and its main shaft that includes an interference fit section for supporting a crusher head. The interference fit section has a nominal interference fit diameter Dif; a bottom shaft section extending between a bottom end of the main shaft and the interference fit section, and having a bottom part and a neck part. The bottom part has a bottom part length Lbp and a bottom part diameter Dbp that is constant below the neck part on at least 50% of the bottom part length Lbp. The neck part has a neck part diameter growing towards the interference fit section. The main shaft has a main shaft length Lms. Lms1.3/Dif is at most 40 mm1.3. Dbp1.421/Dif is at most 9.0 mm0.421.
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