FIELD: agriculture.
SUBSTANCE: invention relates to the field of agricultural machinery industry, namely, to working parts of plows of general purpose. The mouldboard comprises grooves (3) in the area of the most probable wear (2) (fore part) located perpendicular to the displacement of the soil layer. The depth of grooves (3) is 4-5 mm, the width is 5-6 mm, the distance between them is 10-15 mm. The length and number of the grooves (3) covers the area of the most probable wear (2) with a certain overlap.
EFFECT: invention is characterised with increased wear resistance and durability.
1 dwg
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