2012-3-8 19:35When preparing the tung oil core sand applied to the welding platform, the following points should be noted: For machine tool castings, 1. It is necessary to p......
2012-3-7 20:40(1) The refractory powder in the coating is much finer than the particles in the mold (core) sand. After brushing the coating, it closes the pores on the surfa......
2012-3-6 7:4The characteristics and invention methods of the sticky sand defects caused by the modeling and core making of cast iron platforms: The surface iron liquid of ......
2012-3-4 14:55I. Conventional special names for dedicated foam beads used in lost foam casting: 1. Expandable polystyrene resin beads dedicated to lost foam casting (short f......
2012-3-1 16:59How to improve the quality of cast iron platforms has always been the pursuit of casting technicians. In fact, pattern making and core making are one of the ke......
2012-2-23 16:58Utilization of chills in forging of cast iron platforms:
1. Classification:
Non-chill: Only contacts the outer surface of the casting and plays a role in rap......