When using wax to make patterns, investment casting is also called "lost wax casting". Investment casting usually refers to making a pattern in a fusible material, coating the surface of the pattern with several layers of refractory material to make a mol

Causes of Investment Casting Defects1. There are more than 40 processes in the whole casting process, the process is complex, and there are many technological factors that affect the casting quality.2. There are many kinds of raw and auxiliary materials,

Casting defects can be divided into generalized defects and narrow defects. In a broad sense, casting defects refer to the fact that the quality characteristics of castings do not meet the grade standards, the quality management of foundries is poor, and