MACHINE TOOL FOR MACHINING RADIAL HOLES Russian patent published in 1994 - IPC

FIELD: metal machining. SUBSTANCE: machine has tool head 1 mounted on slide, part positioning device with two end stops 5 and 8 mounted rotatably coaxially relative to each other and indexing mechanism 6 with rotary drive 7. Machine is provided with drive for axial displacement of end stop 8. The drive is made in the form of power cylinder 11 with two control valves 12 and 13 intended for connection to pipelines of high and low pressure and associated kinematically with slide. End stop 5 is associated with indexing mechanism and rotary drive. Orienting of article by broach proper ensures uniform distribution of allowance on broach sides. EFFECT: improved efficiency. 1 dwg