Abstract
Friction affects the crushing effect of materials. It is of great significance to explore the friction characteristics between cotton stalk-residual film-external contact materials for the analysis of the crushing mechanism of residual film. In view of this, the influence characteristics of inter residual films, residual films/external contact materials friction characteristics were explored. The inter-films static sliding friction coefficient fs and dynamic sliding friction coefficient fk are 0.425 and 0.372, the film/40Cr mean fs is 0.439. Meanwhile, the stalk/materials friction characteristics was analyzed. The response model of fs and static rolling stability Angle μe was constructed (Model coefficient p < 0.01, coefficient of determination R2 >0.93, calibration determination coefficient R2adj >0.86, coefficient of variation C.V >2.9%). The effects of different moisture content, sampling sites and external contact materials on the friction characteristics of inter-stalks and stalk/materials were explained.
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