If the programming program of automobile sheet metal parts has some problems, it will cause irreparable loss. Because the special-shaped part of this kind of door plate is used to install the door stopper, the following processing scheme is usually adopted in mass production of this kind of door plate: cutting by shearing machine (three door stopper pieces are cut separately) → punching by punch machine → cutting angle → folding by folding machine → welding four corners and three door stopper pieces. The improvement of the scheme not only saves the cost of raw materials and equipment maintenance, but also greatly reduces the programming error rate.
The processing technology of sheet metal auto parts is a complex problem. In this paper, the basic principles of process setting of general sheet metal parts are briefly described in order to find out the basic methods of process setting. In a word, as an engineer, we should establish the concept of cost, integrate the cost into the process, and view the process of process setting from the perspective of the overall situation.
Sheet metal means sheet metal of uniform thickness. Sheet metal processing refers to the process of processing a certain size of sheet metal into a finished product according to the set processing technology through special sheet metal processing equipment according to the product shape and structure. Sheet metal processing products are widely used in communication, power, industrial control, industrial equipment, medical equipment, radio and television, finance, intelligent transportation, computer network, data storage, auto parts and other mechanical parts manufacturing industries.
The processing technology of automobile sheet metal parts is arranged according to the product shape, product quality requirements and product functionality. In the production process of auto parts, the performance and types of processing equipment will be considered. It is the main blueprint basis of product processing.
Cold rolled common steel sheet is the abbreviation of common carbon structural steel cold-rolled sheet, referred to as lining. It is a kind of steel plate with thickness less than 4mm, which is made of common carbon structural steel by further cold rolling. As it is rolled at normal temperature, there is no oxide skin. Therefore, it has good surface quality, high dimensional accuracy, and good mechanical and technological properties after annealing treatment. It is a kind of metal material commonly used in sheet metal processing.
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