HYDRAULIC DRIVE MECHANISM OF A PROFILE MILLING MACHINE

Pump 1 delivers fluid to the left end of cylinder 2 and to the body of valve 3. Piston 4 and template 5, which is rigidly attached to the piston rod, are moved to the right by the fluid. Fluid from the right end of cylinder 2 is discharged through check valve 7 to the tank. Relief valve 8 maintains a definite pressure in the system. Upon travel of template 5, tracer 9, equipped with a roller and r…