What should be paid attention to in the selection of metal stamping parts

Metal stamping is a process that uses punches and molds to deform or break stainless steel, iron, aluminum, copper and other plates and other materials to achieve a certain shape and size. Metal stamping is sometimes called sheet forming, but there is a slight difference. The so-called sheet forming refers to the use of sheet materials, thin-walled tubes, thin profiles, etc. as raw materials. The forming method of plastic working is collectively referred to as sheet forming. Stamping parts are widely used in aerospace, automobiles, ships, machinery, chemicals, etc., and have gradually become a major component in the current parts manufacturing industry. The manufacturing of metal stamping parts sometimes appears torn, skewed, etc. Then, what should the stamping parts manufacturers pay attention to when selecting the material of the metal stamping parts? (1) In the types of steel plate specifications, whether it is a fixed-length plate or a coiled plate, the same material and thickness of the material have different sales prices with different coil widths. Therefore, in order to reduce costs, it is necessary to work hard on the formulation of the procurement roll width, and try to select the roll width range without price increase under the premise of ensuring the utilization of materials. For example, try to choose the appropriate size for the cut-to-length board. After the shearing from the steel plant is completed, it is not necessary to perform secondary shearing to reduce the cutting cost; Shearing workload improves work efficiency.　(2) The thickness of the board has an error requirement, and the board with the error should be the first choice within the scope of the error allowed.　(3) Determining the shape and size of the unfolded sheet of metal stamping parts is a prerequisite for analyzing the degree of deformation of stamping parts, designing the manufacturability and formulating process regulations. If the shape of the sheet is suitable, not only the uneven distribution of deformation along the sheet can be improved, but also the number of mold trial adjustments can be reduced, thereby shortening the production cycle and improving productivity. (4) When selecting materials for product design, avoid using high-grade materials to cause excess product performance. At the same time, on the premise of meeting product and process requirements, try to choose the material and thickness of the existing mass-produced models to form a material platform , Provide convenience for subsequent purchase and inventory management. For example, the key performance requirement of ordinary cold-rolled plate is its ductility, so as far as possible to choose low-grade materials under the requirements of product quality. For the choice of material thickness, in addition to considering the strength and weight of the body after forming, it is also necessary to pay attention to the popularization of material thickness. Because of the special thickness of the material, it is difficult for suppliers to supply, and the price is also high. Recommended article: How to reasonably determine the stamping direction of deep-drawn stamping parts? Previous post: What problems should be paid attention to in the processing of metal stamping parts