process

Deep Drawing

Deep drawing is a kind of metal forming of sheet metal stamping, which is mainly used to process flat metal materials into hollow parts with a certain depth through a stamping die. This process is usually used to manufacture containers, shells, lids, etc. of various shapes.

process

Deep Drawing Process Flow

The drawing process is suitable for the production of cylindrical or cup-shaped metal containers. The specific processing process is divided into the following 6 steps.

01

Material preparation

Choose suitable metal sheet, such as steel sheet, aluminum sheet and copper sheet…

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04

Deep Drawing

The material is deformed by the pressure of the stamping machine to form the required depth.

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02

Positioning

Position the sheet on the die to ensure that the position is consistent each time.

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05

Trimming

Remove excess rough material edges produced during the drawing process of the parts.

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03

Punching

First cut the sheet into the predetermined shape and remove excess material.

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06

Annealing(Optional)

For some materials, annealing may be required to eliminate work hardening.

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Benefits of deep drawing process

  • High Production Efficiency: The deep drawing process can quickly produce large quantity of parts with the same shape and size, especially suitable for massive production.The automation plants allow fast continuous production, reducing the need for manual operation.
  • Good Consistency: Due to the accuracy and repeatability of the mold, the dimensional consistency of the parts produced by the deep drawing process is very high, which is good for assembly and other subsequent processing.
  • Excellent Quality: During the deep drawing process, the stretching by the punching between the mold and die can make the surface of the part more smooth, reducing the need for further polishing.
  • High Material Utilization: The carefully designed drawing die and stamping process processing characteristics make the material utilization rate very high, saving costs for production.
  • Realization of Complex Shape: The deep drawing process can achieve more complex shapes, especially those parts that require depth and wall thickness changes.

Application Scenarios

The products produced by the drawing process are widely used and have applications in many fields. For example, fuel tanks and engine covers in the automotive industry, internal containers of electrical appliances in the home appliance industry, metal cans and lids in the packaging industry, and liquid storage tanks and filter housings in mechanical manufacturing equipment, etc.

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Deep drawing video

How deep drawing works, this animation video will tell you its principle
Samples

Deep Drawing samples Display

MYD has been committed to sheet metal stamping production and manufacturing for 15 years. It has a complete production line, experienced engineers, more than 3,000 customized customers, and more than 6,000 sets of molds. It has sufficient experience in the field of stamping manufacturing. The pictures on the right are some of the samples customized by MYD customers.

FAQ

Below are some frequently asked questions about deep drawing processes, which we hope will provide you with useful information. If you have more specific questions or need further assistance, please feel free to contact us.

Deep drawing process is applicable to a variety of metal materials, including but not limited to:

  • Low carbon steel
  • Stainless steel
  • Aluminum alloy
  • Brass
  • Copper
  • Titanium alloy

In order to prevent the sheet from cracking during the drawing process, the following measures can be taken:

Gradual drawing: For parts with greater depth, multiple drawing methods can be used, and the depth of each drawing gradually increases.

Select the right material: Select materials with good ductility.

Appropriate lubrication: Use appropriate lubricants to reduce friction.

Mold design: Ensure that the fillet radius of the mold is large enough to reduce stress concentration.

The deep drawing process is a type of metal stamping process, and its main feature is to stamp the sheet into an open hollow part. The stamping process also includes other types of operations, such as bending, punching, blanking, etc. In short, stamping is a broader category, and deep drawing is a specific application of it.

The deep drawing process is very suitable for large-scale production because it can quickly produce a large quantity of parts of the same shape, especially for automated production lines. However, for small-batch production, it may not be economical due to the high cost of molds.