Machining method for deep cylinder sheet metal part

The invention discloses a machining method of a deep cylinder sheet metal part. The machining method comprises the steps that spinning is conducted, specifically, a circular sheet is spun into a shallow-bowl-shaped part; stamping is conducted, specifically, the bottom of the shallow-bowl-shaped part obtained in the first step is downwards stamped to form a protrusion; spinning is conducted, specifically, the part obtained in the second step is spun, and thus the side face and the bottom face of the deep cylinder portion of the deep cylinder sheet metal part are formed; and stamping is conducted, specifically, the part obtained in the third step is stamped according to the final shape of the deep cylinder sheet metal part. According to the machining method for the deep cylinder sheet metalpart, the customer demands are met, the product machining efficiency is improved, meanwhile, the appearance quality of a product is also improved, and the product delivery time is ensured. 本发明公开了种深筒钣金件的加工方法，包括旋压，将圆形板料旋压成浅碗状零件