教厂纲锭模铸造,采用木模造型,砂箱体积大,每只纲锭模需用砂约1吨左右。每夭是模2只,桥砂强度很高,开箱时劳动强度大,由于型砂多,粉尘严重,清砂同志每开一箱,汗流夹背。经过工艺改革,采用剑板造型,既省力又省时,而且每只用砂量只有原来的匆书,工效提高5~。倍,此法,造型铸件美观。 Teaching plant ingot mold casting, the use of wood mold shape, sand box volume, each block need to use sand about 1 ton of sand. Each die is a mold 2, bridge sand strength is high, labor-intensive when out of the box, due to sand and more dust serious, sand blast comrades open a box, sweat folder back. After the process of reform, the use of Jianban modeling, both labor-saving and time-saving, and each sand only the original hurray, work efficiency increased by 5 ~. Times, this method, modeling castings beautiful.