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我厂是一个小型机修厂,每年生产铜合金铸件8吨左右,大部分牌号是:ZQSn 10-1;ZHMn55-3-1两种。由于质量不过关,生产的铸件可以说全是废品,不是气孔缩孔,就是断裂。因此,想到了贵杂志《铸造技术》编辑部,请你们助忙结合我厂实际介绍一套通俗易懂,又有实用价值的生产过程,以解决质量问题,谢谢! 王立国王立国同志:我们针对你提的问题在1987年《铸造技术》杂志第1期 P29刊登了有关这方面文章,希参考。
I plant is a small machine repair plant, annual production of 8 tons of copper alloy castings, most of the grades are: ZQSn 10-1; ZHMn55-3-1 two. Due to the quality of the pass, the production of castings can be said that all waste, not shrink pores, is broken. Therefore, think of your magazine “Foundry Technology” editorial department, please help me to combine the actual introduction of a plant easy to understand, but also practical value of the production process to solve the quality problem, thank you! Wang Li GuoLiGuoGuo: we are for you Mentioned in 1987, “Foundry Technology” magazine No. 1 P29 published articles on this area, Xi reference.