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- W3132113169 abstract "To increase the efficiency of the process of seed corn threshing in stationary conditions, an axial-rotor thresher with a pneumoadaptive deck is proposed and constructed, which allows differentiating the threshing forces in the threshing chamber. The index of unthreshed seeds loss on cobs and free grain loss, defined in previous studies, allowed one to establish a rational interval of the rotor speed of the proposed thresher, which is 150 ... 170 min-1. The rationality of this interval was checked by the grain-crushing index, which is an indicator of the effective use of the threshing force of the impact. Experimental studies of this indicator were carried out in the range of rational rotor rotation frequencies (150 ... 170 min-1), as well as to study the regularity of grain crushing changes, additional studies were carried out at a frequency of 190 min-1. It was found that at rotor speed 170 min-1 grain crushing is 1.4%, and at 190 min-1 it significantly exceeds the permissible value. A mathematical expression is proposed that shows the dependence of the force of the working bodies of the pneumoadaptive deck hitting the grain on the rotor speed, confirming the correctness of choosing a rational interval of the rotor speed. Research results indicate that when the rotor speed does not exceed 170 min-1, the stresses in the grain body under the impact of the working bodies do not reach the maximum permissible value. At the same time, the grain retains its integrity, and the crushing index remains minimal." @default.
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- W3132113169 date "2021-02-01" @default.
- W3132113169 modified "2023-09-23" @default.
- W3132113169 title "Differentiated threshing of seed corn with minimal grain crushing" @default.
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- W3132113169 doi "https://doi.org/10.1088/1755-1315/659/1/012095" @default.
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