Abstract
The present article is oriented on development of engineering and design parameters of a threshing separator designed as hyperboloid of revolution of one nappe for grain crop harvesting. Dependence of optimized cutting profiles on physical and mechanical properties of grain mass and parameters of a threshing separator is defined to ensure uniform supply of grain mass to threshing. The mathematical model of the profile defining process is developed to ensure uniform supply of grain mass to threshing.
Highlights
A large proportion of losses in the process of grain-harvesting is a grain loss in a threshing separator as this unit is the main threshing and separating part of a combine harvester.Research hypothesis
Efficiency of the threshing and separating process in a threshing separator may be achieved by means of re-engineering of a feed unit designed to ensure a uniform layer of grain mass in a concave that makes it possible to mitigate the losses in the form of returns and seeds damaged during threshing
The research is concerned with a threshing separator designed as hyperboloid of revolution of one nappe
Summary
A large proportion of losses in the process of grain-harvesting is a grain loss in a threshing separator as this unit is the main threshing and separating part of a combine harvester.Research hypothesis. The main function of threshing is disruption of the link between a grain and an ear, but this link depends on various factors such as grain mass humidity at the The analysis of the found patterns of threshing quality indicators shows that with an increase in grain mass humidity aggregate separation of grains decreases to a small extent
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