Casting products, manufacturing data management method for casting products, main mold marking material for mold molding and casting method for sand casting

摘要

PROBLEM TO BE SOLVED: To provide a casting technology capable of imparting a control code without affecting the tact time of casting.SOLUTION: In the present invention, the control code is composed of a plurality of convex character strings and a plurality of convex dots, is formed in combination with special symbols which can be changed in terms of the patterns of dots and is pasted onto a cavity surface of a main mold.SELECTED DRAWING: Figure 5