Machine tool shaft drive system

Details Machine tool shaft drive system Machine tool shaft drive system

1985-03-01

1987-10-27

Novosad, Stephen J.

Endless belt power transmission systems or components

System including spaced pulleys interconnected by a belt

474149, F16H 702

Patent

active

047027282

ABSTRACT:
A machine tool with one or more axially movable tool-carrying spindles is provided with a drive system for transferring drive to the spindle(s) from a driving shaft parallel to the spindle(s). The driving shaft, e.g. a motor shaft, carries a plain cylindrical pulley and driven pulley(s) are provided on the driven spindle(s). A poly-vee belt is entrained around the pulleys and the or each driven pulley is formed with an outer surface shaped to enter at least one of the grooves of the poly-vee belt. In use the driven spindle(s) may be moved axially relative to the driving shaft; the belt is retained by the driven pulley(s) and rides axially along the surface of the driving pulley. The drive system allows rapid axial movement without vibration or overshoot and provides high traction. It has particular utility in high speed drilling and routing machines and the like.

REFERENCES:
patent: 2183258 (1939-12-01), Harman
patent: 2300046 (1942-10-01), Harwood
patent: 3534634 (1970-10-01), Kawanami
patent: 3837291 (1974-09-01), Umlor
patent: 3838934 (1974-10-01), Petroff

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