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Stainless steel sheet metal processing is an indispensable part of modern industrial manufacturing. Stainless steel materials have excellent corrosion resistance, high-temperature resistance, oxidation resistance, aesthetics, and other advantages and are widely used in various industries. Sheet metal processing technology is an important method for manufacturing various metal components and shells, and stainless steel sheet metal processing is an important branch. The main processes of stainless steel special-shaped sheet metal processing include shearing, bending, bending forming, welding, riveting, tabletop, surface processing, and other processes. This article will introduce the stainless steel materials for sheet metal processing and what problems should be paid attention to during the sheet metal processing of stainless steel materials.
In the sheet metal processing industry, stainless steel plate is a commonly used material. It has the advantages of good corrosion resistance, easy formability, compatibility, and toughness. Therefore, it is widely used in heavy and light industries, daily necessities, Building decoration, and other industries.
Three types of stainless steel materials are commonly used in sheet metal processing.
Stainless steel SUS304 is one of the most commonly used stainless steels in stainless steel sheet metal processing. Because it contains Ni (nickel), it is more corrosion-resistant and temperature-resistant than steel containing Cr (chromium). It has good mechanical properties and no heat treatment. Process hardened state, no flexibility.
The Cr (chromium) content is lower than that of SUS304, and its corrosion resistance is weaker. Still, after cold drawing, it can get very good tensile strength and strength in stamping parts processing, and its flexibility is good. Therefore, it is mostly used in stainless steel sheet metal processing: spring leaf spring and its anti-EMI.
The walls or materials of SECC are ordinary cold-rolled steel coils, which become electro-galvanized products after degreasing, pickling passivation, electroplating process, and various post-treatment processes in the continuous electro-galvanizing production line. SECC has the mechanical and similar technological properties of general cold-rolled steel sheets and excellent corrosion resistance and decorative artistic appearance. Therefore, in the processing of stainless steel sheet metal, it has great competition and substitution in the electronic equipment, household appliances, and furniture sales market.
Clear regulations exist on the division of labor and operation of stainless steel sheet metal processing. Different blanking methods are selected according to different expansion diagrams and batches. Stainless steel sheet metal processing methods include laser, shearing, CNC punching, molds, etc., but stainless steel sheet metal processing The following points need attention during the gold processing operation.
This type of material has high strength, large tangential stress, and large plastic deformation during cutting, so the cutting force is large. In addition, the material’s thermal conductivity is extremely poor, which causes the cutting temperature of stainless steel to rise, and the high temperature is often concentrated in the narrow and long areas near the cutting edge, thereby accelerating the wear of the cutting tool.
Stainless steel and some high-temperature alloy stainless steels are austenitic and have a large tendency to work hardening during cutting, which is usually several times that of ordinary carbon steel. The cutting tool is cut in the hardening work area, shortening the tool’s life.
Both austenitic stainless steel and martensitic stainless steel have the characteristics of strong chips and high cutting temperatures during processing. When the tough chips flow through the rake face, sticking phenomena such as bonding and welding will occur, affecting the surface roughness of sheet metal processing parts.
The materials mentioned above generally contain elements with a high melting point, plasticity, and high cutting temperature, which accelerates tool wear, frequent tool sharpening, and tool replacement, affecting production efficiency and increasing tool cost.
During the drilling process, due to the poor thermal conductivity of the stainless steel material and the small elastic modulus, it is also difficult to process the hole. To solve the problem of hole processing of such materials, it is mainly to select the appropriate tool material and determine its reasonable geometric parameters and the tool’s cutting amount. When drilling the above materials, the drill bits should generally use W6Mo5Cr4V2Al, W2Mo9Cr4Co8, and other material drill bits. The disadvantage of these material drill bits is that they are relatively expensive and difficult to purchase. However, when the commonly used W18Cr4V ordinary standard high-speed steel drill bit is used for drilling, due to the shortcomings of the small apex angle and too wide chips, it cannot be discharged out of the hole in time. The cutting fluid cannot cool the drill bit in time. The stainless steel material has poor thermal conductivity, resulting in concentrated The cutting temperature on the cutting edge increases, which will easily lead to the two flanks and the main edge chipping, reducing the drill’s service life.
Stainless steel sheet metal processing is widely used in various industries, such as machinery manufacturing, electronic appliances, petrochemical, aerospace, and other fields. In these fields, stainless steel sheet metal products are widely used in various equipment, machinery, parts, etc.
For example:
In machinery manufacturing, stainless steel sheet metal products are widely used in machinery and equipment, transmission mechanisms, tools, etc. It is widely used in electronic appliances in various electronic components, equipment casings, chassis, etc.
In the petrochemical industry, it is widely used in various containers, pipes, valves, etc.
In aerospace, it is widely used in various aviation devices, aircraft shells, spacecraft components, etc.
Stainless steel sheet metal processing is indispensable in modern industrial manufacturing. It has excellent corrosion resistance, and high strength, is beautiful and durable, and is widely used in machinery manufacturing, electronic appliances, petrochemicals, aerospace, and other fields. The process of stainless steel sheet metal processing requires the characteristics of the main material itself, stress, and cutting tools. Choosing a stainless steel sheet metal processing can provide customers with the best products and services to meet customer needs. Anpllocnc can meet your stainless steel sheet metal processing needs; contact us now.
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