NEEDLE MILLING MACHINE Russian patent published in 1997 - IPC

FIELD: machining, in particular, trimming, deburring, rounding of acute edges of parts, such as disks, toothed wheels. SUBSTANCE: machine has base 1 and columns 2 mounted on base 1. Each column carries casing 4 with tool head containing drive unit 5 and trimming unit 6. Casing 4 is mounted for sliding along column 2. Radial adjustment of tool heads is effectuated by rotation of screw 38 fixed on bracket 37 attached to column 2. Axial adjustment of tool heads is effectuated by screws 16 screwed into end openings of tool head spindles. Each tool head has independent drive for providing rotation of spindle with machining tools. Lever 40 with finger 41 is fixed on machine base and adapted to supply parts to working zone and withdraw worked parts from working zone of working tools upon termination of operation. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 5 cl, 8 dwg