Author:
Velichko S A,Sharifullin S N,Kuznetsov I S,Kolomeichenko A V,Solovyev R Y,Kravchenko I N,Adigamov N R
Abstract
Abstract
The article presents the technology of hardening the fingers of the reapers of combine harvesters by electrospark processing. To strengthen the cutting surfaces of the fingers, it is recommended to use an amorphous alloy grade 84KXSR. The operational tests presented in the work showed that wear and dulling of both serial products and experimental parts with electric spark coatings is characterized by two stages: running-in and natural wear. The running-in occurs during the running time of the fingers in 1 ha. The results of operational tests showed that the application of a wear-resistant electrospark coating of amorphous alloy grade 84KXSR with a thickness of 30 μm and a track width of 2 mm on the cutting surfaces of the fingers of the headers of grain harvesters makes it possible to increase the resource from 1.4 to 2 times.
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