Draft Angle 1 、Proper decolleting Angle can avoid product scratching.The demolding slope of smooth surface should be more than 0.5 degree, fine grain (sand) surface is greater than 1 degree, rough grain surface is greater than 1.5 degree. 2 、Proper ejection Angle can avoid product jacking, such as stress mark, top deformation, broken. 3、 In order to ensure that the core of the mould is not out of ...