Deep Drawing

Deep Drawing
Deep drawing is perhaps the most useful process for creating cylindrical objects. With our deep drawing machine 46ton to four column hydraulic press 1000ton, we can fully satisfy customers demand of deep drawing from simple to complicated design.

What is Deep Drawing?

precision deep draw is a sheet metal forming process. Place the metal plate into the mold and shape it with a punch. When the depth of the part to be formed is greater than its diameter (at least twice its diameter), this process is called "deep" stretching. When the depth of the part to be formed is less than 0.3 in diameter, this process is called "shallow" stretching.

Place a flat metal plate on the positioning ring of the mold. The punch presses the metal sheet into the mold, forming a shape similar to that of the mold. The stretching tools (molds, punches, etc.) on the punching machine will generate the load or energy required to press the material during the stamping process.

During the deep drawing process, the material is transformed into the shape of the mold. This type of forming is controlled by the pressure applied to the workpiece and the lubricant (deep drawing oil) applied to the workpiece or mold.

Each stamping operation is a separate step that reduces the diameter of the part and increases its height. It may require one or more punches to produce the desired final shape. To determine the quantity of stamped parts, it must depend on the following factors: material type, material thickness, corner and bottom radius, and product shape.

Deep Drawing Material

Not all metals are suitable for deep drawing. Metals with high ductility are often preferred. Below is a short summary of the most frequently-used material for deep drawing.

Material Grade Description
Low carbon steel material grade DC04 /08F DC04 is a low-carbon cold-rolled steel plate suitable for deep drawing processing and commonly used in the manufacturing of automotive parts, fuel tanks, and other products.
ST14 ST14 is a low-carbon rolled steel plate with excellent plasticity and deep tensile properties, which is widely used in the manufacturing of electrical appliances, automotive structural components, and other fields.
Stainless steel material grade SUS304 SUS304 is an 18-8 series stainless steel with good corrosion resistance, weldability, and deep tensile properties, widely used in the manufacturing of pressure vessels, chemical equipment, and so on.
SUS316L SUS316L is a low-carbon, high nickel, and low-carbon steel with excellent corrosion resistance and good adaptability to high temperature and high pressure. It is widely used in the manufacturing of medical devices, aircraft, and other fields.
Aluminum alloy material grade 3003 3003 aluminum alloy has good deep tensile properties and plasticity, and is widely used in the automotive and home appliance manufacturing industry.
5052 5052 aluminum alloy has good deep tensile properties and strength, and is suitable for manufacturing products that require high strength and toughness, such as shells, bodies, and tanks.
Other material grades SPCC SPCC is a cold-rolled steel plate with good deep tensile properties, which is widely used in the manufacturing of automotive, electrical and other products.
SAPH440 SAPH440 is a high-strength hot-rolled automotive plate suitable for manufacturing automotive components, doors, roofs, and other products.

Overall, different material grades have their own advantages and applicability in deep drawing processing. Choosing appropriate materials and grades is crucial for ensuring product performance and quality.

Advantages of Deep Drawing in Shanghai Yixing Technology
As experts in deep drawing technology, we have been providing deep drawing shell services for the automotive industry, air conditioning, medical, household appliances, refrigeration systems, electronic products in countries and regions such as North America, Europe, the Middle East, and Asia.

Advantages of Deep Drawing in Shanghai Yixing Technology
At present, the main equipment includes professional equipment such as 100-1000ton hydraulic presses, 46-630 ton stamping machines, large precision CNC machine tools, CNC lathes, etc.

Advantages of Deep Drawing in Shanghai Yixing Technology
Our deep drawing sheet metal forming service is not limited to simple or standard shapes. Our craftsmanship allows for the creation of complex and intricate designs that may be challenging or even impossible to achieve using other methods. Whether your goal is cylindrical, conical, rectangular, or any other unique shape, deep drawing and stamping technology in Shanghai Yixing can meet your needs.

FAQ of Deep Drawing
What are the advantages of Deep Drawing?
1. Seamless

Deep drawing can produce a uniform and seamless shape, reducing potential weaknesses in the finished product but also make it more aesthetic to some degree.

2. Strength

The material is hardened during deformation which can improve the strength of final parts.

3. Consistency

Deep drawn parts have a high degree of consistency from the beginning to the end of production.

4. Fast cycle time

The press set for deep drawing can cycle quickly, which is a very effective way to produce large quantities of parts.

5. Reduce labor cost

Deep drawing can achieve automation, significantly reducing labor costs.

6. Faster assembly

Deep drawing can create closed end shapes, eliminating the secondary process like welding etc.

What are the key factors affecting sheet metal drawing?
How to prevent wrinkles in deep drawing parts?

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