making molds
g,dip molding,injection molding, reaction injection molding,rotational molding and transfer molding. plastic Ejector is an important factor having influence on product deformation and dimensional accuracy.For this,the ejection points must be chosen for even demold. IMD Special care is not needemaking moldsd when the mold is operated or stored in a moist environment. IML To reduce the temperature rise,die steel should have good thermal conductivity and low coefficient of thermal expansion. 3D printing Whereas in the cast molding process,liquid material is poured into an open mold,in compression m