The machine shown is used for forming metal plates. It consists of two toggles ABC and DEF,

Question:

The machine shown is used for forming metal plates. It consists of two toggles ABC and DEF, which are operated by the hydraulic cylinder H. The toggles push the movable bar G forward, pressing the plate p into the cavity. If the force which the plate exerts on the head is P, determine the force F in the hydraulic cylinder for the given angle θ.

Units Used:

kN = 103 N


Given:

P = 12kN

a = 200mm

θ = 30deg



|H -F


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