Views:0 Author:Site Editor Publish Time: 2021-09-30 Origin:Site
Sheet metal is a metal sheet (usually less 6mm) integrated cold working processes including cutting, punching / cutting/recombination, folding, welding, riveting, stitching, molding (e.g., vehicle body), and the like. Its distinguishing feature is part of the same uniform thickness. By sheet metal processing product called sheet metal. Referring to different sectors of sheet metal parts are generally different, the name used for assembly.
Here is the content list:
l Overview of sheet metal parts.
l Features of sheet metal parts.
l Material of sheet metal parts.
Sheet metal parts are processed products that use sheet metal technology. Sheet metal parts often appear around us. It requires filament power winding, laser cutting, heavy processing, metal bonding, metal drawing, plasma cutting, precision welding, roll forming, sheet metal bending, dies forging, water jet cutting, and other processes to produce sheet metal parts.
Sheet metal member may be defined as sheet metal against metal sheet (usually less 6mm) an integrated cold working process, including cutting, punching / cutting/recombination, folding, welding, riveting, stitching, molding (e.g., automobile body), etc. . The salient feature of sheet metal parts is the same thickness of the same part.
sheet metal parts having a lightweight, high strength, electrical conductivity (electromagnetic shielding can be used), low cost, mass production performance characteristics, has been widely used in electronic appliances, telecommunications, automotive, medical equipment, e.g. In computer cases, mobile phones, and MP3, sheet metal parts are an indispensable part. With the increasingly widespread use of sheet metal, sheet metal parts design has become a very important part of the product development process. Mechanical engineers must be proficient in sheet metal parts design skills to make the design of sheet metal meet the requirements of the product. Function and appearance requirements the press mold can be simple to manufacture and low cost.
Suitable for stamping sheet metal material is very large, widely used in electrical and electronic industry, sheet metal materials include:
1. Sheet metal parts SPCC
SPCC refers to ingot after cold rolling mill to the required thickness of the continuous rolling of a steel sheet material or sheet material roll. SPCC without any surface protection, exposure is easily oxidized in the air, speed up particularly in humid environments oxidation rate, dark red rust occurs, the surface to be used when painting, plating or other protective.
2. Sheet metal parts SECC
SECC substrates as a general cold rolled steel coil, galvanized in a continuous production line, after degreasing, pickling, plating and various post-treatment process, i.e., becomes galvanized products. SECC having mechanical properties not only general cold-rolled steel sheets and similar processability and having excellent corrosion resistance and decorative appearance. Has great competitive and substituting in electronics, home appliances, and furniture markets. For example, the widespread use of computer chassis is SECC.
3. Sheet metal parts SGCC
Hot-dip galvanized coil refers to the semi-finished product or pickling hot-rolled, after cleaning, annealing, immersed in a temperature of about 460 ° C the molten zinc bath, the steel sheet plated with a zinc layer, and then quenched It is made by leveling and chemical treatment. SGCC SECC material harder than the material with poor ductility (to avoid deep drawing design), the zinc layer is thicker, with poor welding.
4. Sheet metal parts SUS301
(Chromium) Cr content is lower than SUS304, poor corrosion resistance, but after cold working can get a good tensile and hardness, good elasticity, elastic sheet used for springs and anti-EMI.
5. Sheet metal parts SUS304
One of the most widely used stainless steel, by containing Ni (nickel) so than steel containing Cr (chromium) is richer corrosion resistance, heat resistance, have very good mechanical properties, non-hardening heat treatment, there is no flexibility.
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