The Cause Of Swelling Or Bubbling In Injection Molded Products Some plastic parts quickly swell or swell on the back of the metal insert or in a particularly thick part after the mold is demolded. This is because the plastic that is not completely cooled and hardened is caused by the release of gas under…
Analysis Of The Causes Of The Shock Pattern Of Injection Molding Products Rigid plastic parts such as PS form dense ripples on the surface near the gate, centered on the gate, sometimes called a shock pattern. The reason is that when the melt viscosity is too large and the mold is filled in a stagnant…
New Mode Test Steps And Actions 1. Before testing the mold, first check whether the mold is assembled and whether the raw materials are dried. 2. Before the mold change, the mold spray rust inhibitor in the production is to be placed in the mold, replace the mold and return to the position and fill…