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Stretching process and mold design for stainless steel parts
Date:2024-04-24 8:10:09 Visits:

The stretching process and mold design of stainless steel parts is a complex process involving multiple steps and considerations. The following is a brief overview of this process:

1、 Stretching process

Material preparation: Firstly, stainless steel materials need to be prepared. Stainless steel has the characteristics of being resistant to weak corrosive media such as air, steam, and water, and is a type of stainless and acid resistant steel.

Heating treatment: In order to improve the plasticity and plasticity of stainless steel, heating treatment is usually carried out before stretching. Common heating methods include resistance heating and induction heating.

Stretching device and process: Fix the heated stainless steel material on the stretching device and apply external force through the device to cause plastic deformation and gradually extend it. During this process, it is necessary to continuously check the tensile force and deformation situation, and make adjustments as needed to ensure the stretching effect.

Cooling treatment: After stretching, cool the stainless steel material to restore it to room temperature.

2、 Mold design

Mold structure: The structural design of the mold is crucial, taking into account the characteristics of stainless steel materials and the deformation during the stretching process. For example, the mold can use a symmetrically arranged guiding device, with the embossed convex mold fixed on the upper template through the convex mold seat, and the embossed concave mold positioned with a stop on the lower template.

Edge pressing design: The magnitude of edge pressing force is extremely important for stamping quality. During the stretching process, the edge pressing force needs to be appropriately controlled to avoid problems such as wrinkling, local thinning or even cracking of the workpiece. Therefore, the selection and arrangement of edge pressing devices need to be considered in mold design.

Process parameters: The selection of process parameters has a significant impact on the quality and performance of the finished product. In mold design, it is necessary to consider the selection and setting of parameters such as stretching speed, stretching force, heating temperature, and cooling speed.

Overall, the stretching process and mold design of stainless steel parts is a comprehensive engineering problem that requires comprehensive consideration of various factors such as material properties, process requirements, and equipment conditions. In practical operation, adjustments and optimizations need to be made according to specific situations to achieve the best stretching effect and product quality.


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