Pump 1 delivers fluid through valve 2, controlled by lever 3, to the right end of clamping cylinder 4. This moves piston 5 to the left, clamping the workpiece (not shown). In this position of valve 2, the right end of ejector cylinder 6 is connected to the tank. At the end of the machining operation, lever 3 is turned. Then, valve 2 connects the right end of clamping cylinder 4 to the tank and the right end of ejector cylinder 6 to the pump delivery line. Piston 7 and rod 8 move to the left, together with disk 9, which carries pushers 10 that eject workpiece 14. Spring 11 returns the pushers to the initial position, and spring 12 returns piston 5. Relief valve 13 protects the system against overloads.
$4308$CHP,FD$