Platinum crucible is mainly used in industry, is made of platinum, the color is generally more than 99%. In the domestic platinum crucible and platinum yellow crucible and other platinum products processing field, most of the factory processing crucible cup bottom adopts the traditional process of grinding tool stamping, the outer edge of the crucible part adopts welding process, product quality can not be greatly improved; The platen spinning process is used to process platinum crucible and platinum yellow crucible and other platinum products. The platen is formed once and the outer edge is not welded, and the product quality is greatly improved compared with the traditional process.