the ejection force shall be imposed upon the section of the plastic parts
the second principle of designing ejector unit is the ejection force shall be imposed upon the section of the plastic parts with the largest rigidity and intensity. […]
a technical process of gas-assisted injection molding– Discharge of gas
Discharge of gas. When the product is cooled until it takes on certain level of rigidity and intensity,, pressure of the gas shall be discharged and recycled, finally open the cavity and eject the product.