Key Factors in Deep Drawing Sheet Metal
Material Thickness of Sheet Metal Parts: Wall thickness varies during the metal drawing process, making the engineer's skills and calculation ability crucial for the metal drawing process. In the past, many parts were manufactured using turning, which is costly and results in significant material waste. Forming parts using the metal drawing process effectively controls wall thickness and produces high-quality cup-shaped parts, especially those requiring high strength, compactness, and light weight. Metal drawing is also a good choice for geometries that are difficult to form using other processes.
Material Ductility: Metal drawing is a cold forming technique that can create desired deep or hollow shapes from sheet metal. Forming parts can be challenging if the material is too hard or has poor conductivity.
Engineer Expertise and Material Knowledge: Engineers must evaluate material ductility, elongation, and the potential changes in material thickness during the metal drawing process based on customer designs and requirements. Therefore, sufficient process and material knowledge is essential.
Machine Selection: Part design and metal (height) determine whether the machine should be single-station or multi-station; whether it should be progressive or variable; and the machine's buffer capacity. Metal drawing is not suitable for all precision parts: the production process needs to be evaluated based on the product design.
|
Category |
Specification |
|---|---|
|
Part Diameter |
10-1000 mm |
|
Material Thickness |
Up to 2.5mm |
|
Tooling Size |
Up to 2,200mm in length |
|
The pitch of the transfer dies |
130mm MAX. |
|
Roundness |
0.05mm |
|
Drawing Ratio |
1:3 (Depends on material and material thickness) |
Deep drawing is an uncommon metal stamping process in this industry. To become an expert in metal drawing, engineers must have the opportunity to produce metal drawn parts, learn through practice, and gain more experience. Dongmo has a professional R&D team whose engineers have extensive experience in metal drawing technology. Dongmo's engineering team is proficient in processing a wide range of materials and can provide feedback on manufacturability. Please contact us for more information.
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