HYDRAULIC DRIVE MECHANISM OF A MACHINE TOOL TABLE

Pump 1 delivers fluid at constant pressure, regulated by relief valve 2, to the left end of cylinder 3, and piston 4, together with machine tool table 5, travels to the right. Fluid exhausted from the right end of cylinder 3 passes through pressure reducing valve 6 and flow-control valve 7. Reducing valve 6 maintains constant fluid pressure before flow- control valve 7. Flow-control valve 7 regula…