FIELD: mechanical engineering. SUBSTANCE: device is installed on table of flat-grinding machine for simultaneous sharpening of horizontal and vertical sections of cutting edge of set of blades with stepped configuration of cutting edge. Body of device has two mounting seats for fixing by means of wedge-type clamp of two sets of blades being sharpened. Each mounting seat has supporting plane inclined to horizon at angle of sharpening of horizontal sections of cutting edge, and turned towards direction of machine table movement at angle of sharpening of vertical sections of cutting edge. Incline and turning of supporting plane of one mounting seat are opposite to incline and turning of supporting plane of other mounting seat. Due to that, possibility is provided for simultaneous sharpening of both vertical sections of cutting edge of each blade, as well as horizontal. EFFECT: higher efficiency. 1 cl, 6 dwg .9729t
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