Shenzhen HSJ Metal Fabrication Co., Ltd.
Shenzhen HSJ Metal Fabrication Co., Ltd.

Sheet Metal Chassis

The sheet metal chassis is a chassis that is required for the use of a comprehensive cold working process for metal sheets (usually below 6 mm). Processing techniques include shearing, punching, cutting, compounding, folding, welding, riveting, splicing, forming (such as car body). Its remarkable feature is the same thickness of the same part. The chassis made of sheet metal can meet the various functions and appearance requirements of the chassis, such as metal chassis for robot and aluminum robot chassis. The metal chassis can make the stamping die manufacturing at a low cost.

Process Technologies in Sheet Metal Chassis Fabrication

The sheet metal processing chassis is an important part of the sheet metal processing industry. The manufacturing process of sheet metal chassis requires a lot of technology. To get sheet metal chassis, we need some specific technologies. The main technologies in metal chassis fabrication are as follows:

(1) Welding: Welding processes mainly include arc welding, electro slag welding, gas welding, plasma arc welding, fusion welding, pressure welding, brazing and so on.

(2) Stretching: The radius of curvature between the bottom of the pull tab and the straight wall should be b, that is, r1≥t, generally r1=(3~5)t, and the maximum radius of curvature should be less than or equal to the thickness of the plate 8 times of, that is, r1≤8t.

(3) Blanking: According to different processing methods, blanking can be divided into ordinary blanking, counting punching, shear cutting, laser cutting, wind cutting, etc.


Advantages of Sheet Metal Chassis Fabrication

Due to high demand from people, electronic products are increasingly being used in our daily lives, especially the widely used high-level sheet metal chassis. Therefore, it is necessary to share the advantages of sheet metal chassis fabrication, which can be summarized into the following 6 aspects:

  1. Lightweight: Sheet metal is a lightweight material, making it ideal for creating lightweight chassis that improve fuel efficiency in automobiles, reduce the weight of heavy machinery, and make transportation easier.

  2. Durable: Sheet metal is a strong and durable material that can withstand harsh environments and extreme weather conditions. This makes it suitable for chassis used in outdoor applications such as construction machinery, agricultural equipment, and military vehicles.

  3. Cost-effective: Sheet metal chassis fabrication is a cost-effective process that allows manufacturers to produce high-quality products at a lower cost than other fabrication methods. This is due to the relatively low cost of the raw materials and the ease of chassis fabrication parts manufacturing.

  4. Versatile: Sheet metal can be easily manipulated and formed into complex shapes and designs, making it a versatile material that can be used in a wide range of applications. This allows manufacturers to create custom chassis designs that meet specific requirements and specifications.

  5. Corrosion-resistant: Sheet metal can be coated with a variety of protective coatings that make it resistant to corrosion, rust, and other forms of damage. This makes it an ideal material for use in marine applications, where exposure to saltwater can cause significant damage to other materials.

  6. Easy to customize: Sheet metal chassis fabrication can be easily customized into different shapes, colors, and surface treatments, from big equipment to mini PC accessories. The variety of designing options is endless.

Therefore, sheet metal chassis fabrication offers several advantages that make it a popular choice for a wide range of industries and applications. Its lightweight, durability, cost-effectiveness, versatility, corrosion-resistance, and customization capabilities make it a reliable and efficient material for creating high-quality chassis.

Sheet Metal Chassis Materials

Different uses of CNC chassis determine the design and the selection of material. For vehicles, the material used for the construction of the chassis is usually carbon steel, but it is also becoming more commonplace that they are made up of aluminum alloys considering its light-weight characteristic. 

Materials for chassis CNC: SGCC galvanized plate, SECC electrolytic plate, SUS stainless steel (model 201 304 316, etc.), SPCC iron plate, white copper, red copper, AL aluminum plate (model 5052 6061, etc.), SPTE, spring steel, manganese steel.

aluminum plate
iron sheet
sus plate
zinc aluminized sheet

Why Choose HSJ for Customized Sheet Metal Chassis?

Why Choose HSJ for Customized Sheet Metal Chassis?

Except our talented workforce and advanced machine, the design engineers working for HSJ Metal Fabrication are equipped with skills to optimize the weight and size of the chassis. 

Why Choose HSJ for Customized Sheet Metal Chassis?

By years of experience and standard software, HSJ Metal Fabrication performs can simulation on the design to produce the prototype. After designing and manufacturing the product, we will do lots of testing tasks of the product to ensure the quality of your desired products.

How HSJ Ensure the Quality of Chassis Fabrication?

  • Raw material testing:Inspection of the raw materials used in production we have professional incoming material inspector to inspect them.

  • In-production control: we have rich experience operator to check the whole process make sure each step of production is within control limits.

Sheet Metal Chassis Application

Electronic part
Electronic part

Customized sheet metal fabrication metal chassis

Surface treatment (finish)High polish, brush, sandblast, anodization plating (nickel, chrome), powder coat , Lacquer painting, silkscreen, pad printing

Electronic part
Electronic part


Tolerance: + / - 0.02 mm - 0.1 mm

Equipment: HSG(HS-G3015A) laser machine,bending machine

Production capacity: 10-10000000pcs

Sheet Metal Chassis Related FAQs

Sheet Metal Chassis Related FAQs

  • Why the iron chassis are a bad option for robots?

    A chassis of a robot will carry the DC motors, batteries, electronics, mounting supports, and the others components. Because we have to keep the weight as low as possible, the aluminum robot chassis will be a good choice for your robots.

  • What is an automobile chassis?

    Chassis is the main support structure of the vehicle which is also known as ‘Frame’. It bears all the stresses on the vehicle in both static and dynamic conditions.

  • How do we ensure the quality of chassis fabrication?

    In the process of sheet metal fabrication, HSJ are very strict on both external and internal quality control of the parts. We only make sheet metal chassis which aims for high-quality work.

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