Assume that you are assigned to determine the minimum clamping force for a part to be molded out of polystyrene. The part cross-sectional area is 10 x 14 inches. What is the clamping force required if as a general rule, 2.5 tons of force are needed for each square inch of cross-sectional area?
What will be an ideal response?
The clamping force can be calculated from the equation:
Clamping force = (injection pressure) (total cavity projected area). In this case the total cavity projected area is 140 square inches. If we use the assumption of 2.5 tons of pressure
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