FIELD: machine engineering.
SUBSTANCE: device includes a honing grindstone having the grinding surfaces that come into contact with the blade and frame, operably coupled to the grindstone and is rotatably fixed on the rotary element of the site. The weight element is attached to the frame and is located movably grindstone to the edge of the blade. With grindstone frame and associated connecting piece, and a weight element movable grindstone to the blade edge by mentioned connecting piece.
EFFECT: in the process of cutting the material provided by the periodic sharpening of the blade edges, which increases the service life.
22 cl, 5 dwg
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