Sewing machine casing castings

The sewing machine consists of four parts: the shell, the machine base, the transmission, and the accessories; The shell of a sewing machine is first obtained from cast iron or aluminum alloy through casting technology, and the cast iron sewing machine shell is produced into a complete casting blank through wet sand casting technology, and then the shell is processed into a finished sewing machine shell; Material: gray iron: HT150; In Zhejiang Province, China, we have provided automated casting molding equipment for three casting enterprises for the automated casting production of this type of casting. Currently, the main focus of casting production is on the shell castings of electric sewing machines;