FIELD: agriculture.
SUBSTANCE: invention relates to the field of agricultural engineering, in particular, the tillage details of working bodies of tillage machines. The working surface of the hoe blade on the back is reinforced with thermal-deformation effect to provide hardness of the back working surface of the hoe, exceeding the hardness of the outer surface of the blade, and the preservation of the hoe geometry.
EFFECT: design realisation enables to increase hoe resistance to abrasion wear keeping the hoe geometry when processing the soil with different granular composition and to ensure the effectiveness of its self-sharpening of blades.
2 dwg
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