Technology of Borating Hardening of the Chaff-Cutter Drum Knives in a Grain Harvester Combine

V. P. Lyalyakin; V. A. Aulov; A. V. Ishkov; A. Yu. Trokhin; D. B. Slinko

doi:10.1134/S0036029519130202

Technology of Borating Hardening of the Chaff-Cutter Drum Knives in a Grain Harvester Combine

Autores: Lyalyakin V.¹, Aulov V.¹, Ishkov A.², Trokhin A.³, Slinko D.⁴
Afiliações:
1. FGBNU Federal Scientific Agroengineering Center VIM
2. Altai State Agrarian University
3. OOO Combine Plant ROSTSEL’MASh
4. Bauman Moscow State Technical University
Edição: Volume 2019, Nº 13 (2019)
Páginas: 1492-1496
Seção: Physical Metallurgy. Thermal and Thermochemical Treatment Technologies
URL: https://journals.rcsi.science/0036-0295/article/view/173904
DOI: https://doi.org/10.1134/S0036029519130202
ID: 173904

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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.