Forming technology of thin-walled sheet metal part provided with bonded surface

Abstract

The invention belongs to the field of machining, and particularly relates to a forming technology of a thin-walled sheet metal part provided with a bonded surface. Various parts including stainless steel are high in bonding difficulty, an acid pickling surface treatment technology is adopted, the bonded strength is low after bonding is conducted, and the defect of glue failure is prone to occurring in the using process. According to the forming technology of the thin-walled stainless steel sheet metal part, firstly roughening treatment is conducted, then sheet metal forming is conducted, the roughened degree of a to-be-bonded surface of the sheet metal part is improved, finally the bonded quality of the sheet metal part is improved, and high-precision manufacturing of the thin-walled stainless steel sheet metal part after surface treatment is conducted is achieved.

Description

technical field [0001] The invention belongs to the field of machining, and in particular relates to a forming process of a thin-walled sheet metal part with an adhesive surface. Background technique [0002] Usually, the forming process of the parts to be glued is: blank preparation-part forming-surface treatment, and the surface treatment is generally carried out after the parts are formed. The usual surface treatment process for stainless steel parts is pickling or sand blasting. [0003] Various parts, including stainless steel, are more difficult to glue. The surface treatment process of pickling is adopted (this process will not cause deformation of the parts). After bonding, the bonding strength is low, and the defect of glue opening is prone to occur during use. [0004] Thin-walled stainless steel sheet metal parts adopt the sand blowing process, and the parts will be deformed after sand blowing, resulting in a large gap between the two glued parts, a large assembl...

AI Technical Summary

Problems solved by technology

[0003] Various parts including stainless steel are more difficult to bond, and the surface treatment process of pickling is adopted (this process will not cause deformation of the parts), the bonding strength after bonding is low, and the defect of glue opening is prone to occur during use

[0004] Thin-walled stainless steel sheet metal parts adopt the sand blowing process. After sand blowing, the parts will be deformed, resulting in a large gap between the two glued parts, a large assembly stress during bonding, and a low bonding strength.