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我厂铸造车间为了充分利用旧砂,减少新砂和白泥粉的耗用量,降低铸件成本,遵照毛主席关于“我们必须学会全面地看问题,不但要看到事物的正面,也要看到它的反面”的教导,对生产情况进行了具体的研究,全面地分析了现行各种型砂的性能和特点,并采用优选法去摸索最佳型砂配方。经过一系列试验,选出了较理想的型砂配方。从去年十二月起,全部采用
In order to make full use of old sand, reduce the consumption of new sand and white mud powder, and reduce the cost of casting, according to Chairman Mao’s statement, “We must learn to comprehensively look at the problems, not only to see the positive aspects of things, but also to see Its opposite, ”the teaching, the production of a specific study, a comprehensive analysis of the current performance and characteristics of various sand, and the optimization method to explore the best sand formula. After a series of tests, choose the ideal sand formula. Since December last year, all adopted