高36.88m观音铜像的铸造

Casting of Guanyin Copper Figure with 36.88 m Height

巨型观音铜像采用熔模石膏型与蜡模湿砂型分铸，然后拼焊成型。实践证明：该法铸造成本较低、操作简单，且铸件壁厚均匀、变形量小、铸造缺陷较少。

Grand guanyin copper figure was cast firstly in plaster mold with investment pattern and in green sand mold with wax pattern respectively, and then individual cast parts were mounted together by welding. It is practically verified that this method exhibited less expense, easy operation, cast wall with uniform thickness, deformation decrease and cast defects reduction.