the lost wax casting

Carried on the analysis to the lost wax casting craft sand hole defect creation factor.

对熔模铸造砂眼缺陷产生因素进行了分析。

Detailed analysis is done to the causes of while defects in lost wax casting. Some effective precautionary measures are proposed based on practical production.

对消失模铸造的铸件出现白色缺陷的原因进行了详细分析，并根据生产实际提出了一些有效的预防措施。

The positive can be produced either by direct modeling in wax over a prepared core (direct lost-wax casting), or by casting in a piece mold or flexible mold taken from a master cast.

正像可以用蜡直接在一个准备好的核心上浇铸成型(直接脱蜡浇铸)，也可以浇在一个模具中，或者从主铸件上取下来的柔韧的模具中。