HYDRAULIC CLAMPING FIXTURE MECHANISM

Pump 1 delivers fluid through four-way valve 2 to the right end of working cylinder 3. The pressure of the fluid moves piston 4 and rod 5 to the left, advancing fixture 7, sliding in guides x-x together with clamped work 8, to milling cutter 6. The work is clamped by lever 11, whose shank runs onto roller 12 when fixture 7 is advanced. The left end of cylinder 13 is connected to the tank and pisto…