Lost wax casting believe there will always be a lot of people in the casting process of casting defects or is defective, then we should be aimed at the situation how to disposal of the castings to repair?Lost wax casting operation:1, repair the wax in any kind of precision casting wax mold, first of all find out, the repair which part.2, check the lost wax casting wax models have the defects such as bubbles, concave shrinkage, deformation, found the problem, promptly notify the wax pattern, so as not to cause mass waste wax models.