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What are the reasons for the difficulty in manufacturing automotive stamping parts?

1. Surface quality of automotive stamping products

Any defects on the surface of the stamped parts of the automobile body will affect the aesthetics of the product, so the surface of the stamped parts of the automobile is not allowed to have defects. Automobile stamping parts require that the decorative ridges are clear, smooth, uniform in transition and symmetrical from left to right, and the ridgeline connection between the stamping parts outside the automobile body must be smooth. Stamping parts not only need to meet the structural and functional requirements, but also the surface quality requirements.

2. Overall size and shape of automobile stamping parts

Most of the shapes of auto body stamping parts are three-dimensional shapes. It is difficult to accurately make the size and shape of the auto body stamping parts. Therefore, the main model is generally used to determine the overall dimensions of the auto body stamping parts. The position, shape and size of various holes, and the shape of the three-dimensional surface must be consistent with the main model, and the dimensions that cannot be marked on the stamping parts of the automobile body must be measured through the main model. Due to the very complex shape, the rebound of the material is difficult to control. , which increases the difficulty of controlling the accuracy of product dimensions.

3. Strength and rigidity of automotive stamping parts

When the stamping parts of the automobile body are deep-drawn, the rigidity of some parts is usually relatively poor, causing the product to sink locally. Moreover, the automobile body stamping parts with unsatisfactory strength and rigidity will produce a hollow sound when they are vibrated. If such automobile body stamping parts are assembled into a car, and the car will vibrate at high speed, it will seriously reduce the automobile body. The life of stamping parts.

4. Processing technology of automobile stamping parts

The structure, shape and size of automobile body stamping parts determine the complexity of the process. It is impossible to directly process it in one process, and at least three fabrication processes are required. However, the spatial surface shape of the automotive body stamping parts and the bosses, ribs and ridges on the surface should be formed by one-time deep drawing as much as possible, otherwise it is difficult to ensure the smooth surface of the automotive body stamping parts and the consistency of the geometric shape.

The technology of automobile stamping parts is developing in the direction of precision, multi-function, high efficiency and energy saving, safe and clean production. The manufacturing process level and quality of stamping workpieces have a direct impact on the quality and cost of automobile manufacturing to a large extent.

Automotive Sheet Metal Fabrication

Pintejin Sheet Metal shop offers a cost-effective solution for a wide range of industries with our custom metal stamping and custom sheet metal fabrication capabilities. Our stampnig operations include a variety of sheet-metal forming manufacturing processes, such as punching, blanking, embossing, bending, flanging, and coining. Our professional, experienced and well-trained engineers can execute the complex metal stamping operations with precision and accuracy.

No matter what your metal fabrication needs are, Pintejin can offer the right solution: from single sheet metal part or sub-assembly of stamped metal parts to turnkey solutions for mechanical and electrical assemblies. We have the technology, equipment and the experience to fabricate customised metal products from aluminium sheet metal fabrication, steel, zinc plated steel, stainless steel sheet metal fabrication, brass and copper. Designs that require CNC machining of surfaces or components can be accommodated. We can supply polished, galvanized, zinc coated or powder coated finishes for any sheet metal work or stamped metal components. Coupled with our accurate and reliable metal fabricating equipment, we guarantee precision and repeatability in custom sheet metal work. You’ll be taking advantage of the best sheet metal fabrication china can produce.

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With Pintejin automated and highly streamlined sheet metal fabrication service, you can expect a sheet metal fabrication quote within 12 hours and lead times as quickly as three days.Our rapid prototyping offering also includes a solid and reliable manufacturing capability (led by our expert team with 15+ years of experience) and technical and quality assurance, including SGS and RoHS material certifications, in-process quality reports, and First Article Inspection.

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