HYDRAULIC DRIVE MECHANISM OF A MACHINE TOOL TABLE WITH A TIME RELAY

Fluid from the pump is delivered to the right end of cylinder 2, moving piston 3 and table 4, attached to the piston, to the left. The rotary pilot valve with member 1 connects delivery pipeline 5 to pipeline 6. Fluid passing through the valve opens check valve 7 and shifts plunger 8 of the time relay to the extreme left position. Upon further travel of the table, trip dog a, mounted on the table,…