This standard specifies the terminology, technical requirements, geometric accuracy, test methods and inspection rules of centrifugal casting machines. This standard applies to horizontal cantilever centrifugal casting machines (diameter greater than 1m, length not greater than 1m), vertical centrifugal casting machines (diameter not greater than 1.8m, height not higher than 0.8m) and horizontal roller roller centrifugal casting machines Casting machine (diameter not larger than 1m, length not larger than 6m).