Molding line with the use of Cope and Drag Flask-----Weifang Foundry ...
Weifang Foundry Machinery Co., Ltd Casting defects that affect the quality of the machining process and use are not allowed for molding box used in the molding line, such as porosity, trachoma, cracks, shrinkage, lack of meat. Casting flaws on the side walls of the casting flask for high pressure and air-impact molding do not allow for welding.