铝合金重力铸造中保温和激冷涂料对缩松的影响

摘要

发动机铝合金配件的气密性要求较高，缩松缩孔及针孔都会导致产品报废。经过分析及生产验证，采用保温和激冷相互补充相互配合的工艺方案，在部分产品的生产中具有一定的效果。%The aluminum alloy engine accessories should have high air tightness, shrinkage porosity and pinhole can lead to product scrap, and some products commonly used solution can’t solve this problem.Insulation and chilling used in this paper are complementary to each other with the use of the program, has a certain effect on the production of some products.