LEVER MECHANISM OF A HYDRAULIC PRESS

Piston 1 reciprocates in fixed hydraulic cylinder 2. Connecting rod 3 is connected by turning pairs A and B to piston 1 and to bell-crank lever 4 which is connected by turning pairs C, E and K to links 9, 5 and 8. Links 8 and 9 turn about fixed axes M and D, and link 5 is connected by turning pair F to ram 6 of the press. Ram 6 reciprocates in fixed guides a. Pressure is applied to billet 7 when p…