The common processing methods of 304 stainless steel stamping parts mainly include the following:
Punching:
Punching is one of the basic processes for 304 stainless steel stamping parts. Through a special punching die, the 304 stainless steel sheet is accurately cut and separated to obtain the required part shape. The material selection of the punching die is very important. Generally, die steel materials with high hardness and good wear resistance are selected, such as Cr12MoV, SKD11, etc. Punching process parameters such as punching speed and pressure need to be adjusted according to the specific material and part requirements to ensure the quality and efficiency of punching.
Bending:
Bending is a method of processing 304 stainless steel sheets according to the required angles and curve shapes. Common bending processes include bending and rolling. Bending uses a bending machine to bend the sheet at the required angle, which is suitable for bending straight lines and simple curves. Rolling uses rollers to continuously bend the sheet, which can achieve larger radius bends and arc shapes.
Deep drawing:
Deep drawing is a stamping process that uses a special die to make a flat blank obtained after punching or cutting into an open hollow part. During the deep drawing process, the sheet flows into the die under the drive of the punch, and is formed by the fluidity and elongation of the material. This process is suitable for manufacturing various stainless steel cups, shells and other parts.
Flanging:
Flanging is a stamping process that uses a die to turn the hole edge or outer edge on the blank into a vertical edge. This process is often used in the manufacture of products such as stainless steel sentry boxes to form stainless steel sheets.
Surface treatment:
For 304 stainless steel stamping parts, surface treatment is also an important processing step. Common surface treatment methods include polishing and passivation. Polishing is to remove surface burrs and unevenness by mechanical or chemical methods to make the surface of the stamped part smoother. Passivation is to form a dense oxide film on the surface of stainless steel through chemical reaction to enhance corrosion resistance and aesthetics.
The above processing methods are selected and combined according to specific product requirements and application scenarios to ensure the quality and performance of 304 stainless steel stamping parts.
