APPARATUS FOR WORKING VARIABLE-PROFILE ANNULAR GROOVES Russian patent published in 2003 - IPC

FIELD: machine engineering technological processes, namely working annular grooves with variable profile by disc tool such as disc milling cutter, grinding wheel and so on. SUBSTANCE: apparatus includes drive shaft with tool for working rotary bank mounted in chuck; individual electric drive for rotating drive shaft and bracket mounted with possibility of rotation relative to axis normal to rotation axis of blank and designed for mounting drive shaft. Drive for synchronized rotation of blank and bracket with tool includes flywheel, worm gearing having worm gear secured to chuck of blank and worm having on its shaft cone gear wheel engaging with another cone gear wheel joined with one of toothed pulleys of toothed belt transmission. Second toothed pulley of said toothed belt transmission is mounted on axle of above mentioned bracket. EFFECT: lowered costs for technological preparation of production process. 4 cl, 1 ex, 5 dwg