FIELD: machine building.
SUBSTANCE: device comprises in the table bracket a drive-rotatable body with abrasive wheel fixed on it, planetary cup wheel installed in the body and fixed at the axes with gears engaged with the carrier gear wheel. There is an envisaged mechanism for continuous change of the cutting speed, which drive gear is related to the body drive while its driven gear is installed at the table bracket support and has the pinion carrier linked to the pulley fixed at the above carrier gear wheel.
EFFECT: improving efficiency of flat surface machining by wheel grinding and durability of the tool.
3 cl, 5 dwg
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