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Under the influence of the China-US trade war and COVID-19, the border management of various countries is still very strict, and global economic and trade activities have not been thawed, which has caused the price of some raw materials to rise. Therefore, if machine tools can be designed with a lightweight structure, it will reduce manufacturing costs and increase profits. Lightweight moving castings can also improve the dynamic characteristics, which will be of considerable help to high-speed or high-precision machine control.