Technology of Borating Hardening of the Chaff-Cutter Drum Knives in a Grain Harvester Combine
V. P. LyalyakinFGBNU Federal Scientific Agroengineering Center VIM, Moscow, RussiaV.A. AulovFGBNU Federal Scientific Agroengineering Center VIM, Moscow, RussiaAlexey IshkovAltai State Agrarian University, Barnaul, RussiaA. Yu. TrokhinOOO Combine Plant ROSTSEL’MASh, Rostov-on-Don, RussiaD. B. SlinkoBauman Moscow State Technical University, Moscow, Russia
2019en
ABI
Abstract
The methods of hardening of the chaff-cutter drum knives in a grain harvester combine are analyzed. The wear resistances of 65g steel samples hardened by quenching and borating and heating by high-frequency currents are compared. The results of field tests of the hardened knives are presented. These results are used to propose a design for a hardening coating. A two-coil induction heater is suggested for simultaneous heating of both face edges of a knife.
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