When piston 1 moves downward by the action of liquid delivered to the top end of the cylinder, motion is transmitted through levers 2, 3, 4 and 5 to clamping lever 6 which turns about fixed axis A. This clamps the workpieces in V-blocks by a system of rocker clamps 7, 8 and 9. The left-hand clamping device is of identical design. The two halves of the device (fixture) operate in a reciprocal machining cycle: while the workpieces in one hal are being machined, the finished workphieces are being removed from the other half and new blanks are loaded. The workpieces are released when piston 1 is moved upward by spring 10.
$3863$LHP,GC$