在批林批孔运动推动下,石家庄卷烟厂技动科精密铸造小组工人,通过到有关厂矿学习,结合本厂条件,因陋就简,土法上马,经过几个月的反复实践,搞成了失腊铸造新工艺,实现了卷烟设备部分另配件的少或无切削加工. 一、铸造工艺失腊铸造是利用腊料压入用钢或其它材料制成的硬模内,制成整体腊模.在它的表面重复涂上石英粉一水玻璃涂料和撒上石英砂.用氯化铵硬化干燥后,将膜模熔化形成模壳.模壳经高温焙烧后进行烧注,冷凝后敲掉模壳即得铸件. Driven by the Lin Chi-bing movement, Shijiazhuang Cigarette Factory Technical Staffing Investment Casting Group of workers, through to the study of factories and mines, combined with factory conditions, due to simple, native law launched, after several months of repeated practice, became lost Casting of new technology to achieve the cigarette equipment part of the other parts of the less or no cutting processing. Casting process Lost wax casting is the use of wax into steel or other materials made of hard mold, made of the whole wax mold. Its surface is repeatedly coated with quartz powder water glass paint and sprinkle quartz sand.With hardened and dried with ammonium chloride, the film mold is melted to form a shell.The shell is calcined at a high temperature after burning, after condensation knocked out the shell That is casting.