Injection Molding SIZING AN INJECTION MOLDING MACHINE Packing pressure ∼= 108Pa Clamping force F = P∗A Figure 7: Clamping force as a function of surface area. Note: logarithmic scales. Mold a single tensile bar - 50 ton machine Mold a front end of a car - 5000 ton machine “Typical” sizes are 100-1000 tons For complicated parts A