The main material for car doors is cold-rolled galvanized sheet, which is formed by rolling, stamping, and welding. The slide rail assembly seat slide rail is formed through high-precision stamping, welding and other processes, and the sheet metal processing requirements for automotive components are relatively strict, requiring a large amount of special certification. The aluminum door frame assembly is mainly made of aluminum profiles, which are stamped and processed through sheet metal processing technology.
New energy vehicles have made rapid progress in recent years for energy conservation and environmental protection, and there are also many components designed for sheet metal processing. Nowadays, popular ones include new energy vehicle battery packs, energy storage mobile power supply casings, large energy storage inverter casings, and centralized photovoltaic equipment casings.
Our state of the art equipment, professional skills and strict quality standard TS16949 can ensure the sheet metal parts we produce meet the customers' design and even exceed their expectation. We use materials as thin as 0.003" with internal feature tolerances within ±0.001".
As a professional sheet metal fabrication factory, we design and make the precision molds and dies in house which can meet the strict quality requirement of the design and also reduce the turnaround time. Small modification of the molds can be done very quickly in house.
Automobile industry has high demand on the sheet metal material. We are very serious in the selection of the material and we make sure the fabrication material is per the drawing and do strict inspection on chemical composition and mechanical performance testing. We can handle cold rolled steel, hot rolled steel, SECC, SGCC, copper, aluminum, stainless steel, titanium, and other special materials if customers require.
Automotive sheet metal parts refer to the various components of the exterior of a car body, usually made of metal materials. The manufacturing of automotive sheet metal parts involves material selection and process flow.
a. Strength and stiffness: Automotive sheet metal parts need to have sufficient strength and stiffness to withstand various forces and vibrations during vehicle operation.
b. Corrosion resistance: The material should have good anti-corrosion performance to improve the service life of sheet metal parts.
c. Easy to process: The material should be easy to process and form for various sheet metal processes like cutting, bending, stamping, deep drawing, welding etc.
d. Repairability: The material should have good repairability to facilitate repair or replacement after damage or accidents.
a. Steel: Due to its excellent mechanical properties and processability, steel is a commonly used material for automotive sheet metal parts. Carbon steel, alloy steel, and stainless steel are common steel materials.
b. Aluminum alloy: Aluminum alloy has low density and good corrosion resistance, and is widely used in the manufacturing of automotive sheet metal parts. Common aluminum alloys include aluminum magnesium alloy and aluminum manganese alloy.
c. Single material: Some special components, such as car door panels and roofs, can be manufactured using single material, such as pure aluminum panels and pure steel plates.
a. Disassembly and assembly: The manufacturing of automotive sheet metal parts needs to consider the convenience of disassembly and assembly to facilitate maintenance and replacement.
b. Technical difficulty: During the manufacturing process, it is necessary to consider the shape, curvature, and structural characteristics of each sheet metal component to ensure the production of components that meet the design requirements.
c. Surface treatment: After manufacturing, sheet metal parts usually require surface treatment, such as spraying, chrome plating, or electrophoretic paint, to increase aesthetics and corrosion resistance.
d. Dimensional accuracy: During the manufacturing process, it is necessary to control the size and shape of the sheet metal parts to ensure the precise fit of each component and the appearance quality of the entire vehicle.
e. Welding and connection: Welding and connection processes, such as spot welding, welding, riveting, and bolt connection, are required in the manufacturing of sheet metal parts. These processes need to ensure connection strength and sealing.
f. Shaping and leveling: During the manufacturing process, shaping and leveling processes are required to ensure the flatness and appearance quality of sheet metal parts.
g. Part consistency: The manufactured sheet metal parts should have consistent dimensions and quality to ensure compatibility during assembly and meet the quality requirements of the entire vehicle.
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