型砂在铸工车间是很重要的,一般由于对型砂控制不够重视和管理制度不严格,以及没有做好原始记录,所以时常因型砂而产生很多废品,没有办法分析出产生废品的原因而加以改进,使国家遭受很大的损失。 Sand in the casting shop is very important, generally due to the lack of emphasis on sand control and management system is not strict, and did not do a good job of the original records, so often because of the sand and produce a lot of waste, there is no way to analyze the causes of waste produced to be improved, So that the country suffered a great loss.