Injection molding machine screw often occur during use small episode, as the screw fracture, then it can not be used for no reason how it? 1, the injection molding machine screw itself of poor quality. 2, the screw length is too large. 3, the screw mounting problems. (When you install by professional and technical personnel to install, or the sidelines coaching). 4, the cylinder temperature set low, the screw is rotated by the shearing force is too large. 5, injection molding machine cold start, the raw material of the high viscosity of the barrel. 6, the use of raw materials which are too hard metallic or non-metallic impurities. |