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Feb 14, 2012· Pulley is a simple machine and comprises of a wheel on a fixed axle, with a groove along the edges to guide a rope or cable Pulleys are used to reduce the time and energy taken to lift heavy objects...
Upper Step Pulley Parts for Bridgeport Series I Milling Machine...
The Jet Step Pulley Milling Machine features locks on all moveable parts for added safety The machine also features high precision spindle bearings, hardened and ground precision table and a head that tilts left or right...