摘要
介绍了制冷机的结构及工作原理。使用制冷机冷却压蜡模具比水冷却法效率高,劳动条件好,提高了蜡模表面粗糙度。
The paper introduces the construction and working principle of the refrigerator. To cool the pattern injection die by refrigerator is more efficient than by water cool,and it provides better working conditions and improves the surface degree of finish of the wax pattern.
