Dalian automobile parts processing is a key link in automobile manufacturing, and its processing quality and technical level directly affect the overall performance and market competitiveness of automobiles. With the continuous improvement of automotive performance, the precision requirements for components are also increasing. In the future, the processing of automotive parts will pay more attention to the application of high-precision machining technologies, such as nano machining technology, ultra precision machining technology, etc. These technologies can achieve micro dimensional accuracy and surface quality control of components, improving the performance and reliability of automobiles.

Recommend some high-strength materials suitable for processing automotive parts in Dalian

Here are some high-strength materials suitable for automotive parts processing:

High strength steel:

Low alloy high-strength steel: By adding phosphorus and other elements to low-carbon steel for strengthening, it has high strength and good toughness. Commonly used in car door sills, front and rear beams, door posts, and other parts, it can reduce the weight of the car body appropriately while ensuring strength. For example, some American car models widely use this material.

Dual phase steel: It is a type of high-strength steel that undergoes phase transformation strengthening. Through specific chemical composition and production processes, a certain amount of martensite is dispersed and distributed on the ferrite matrix, forming a structure mainly composed of ferrite martensite. It has a low yield to strength ratio, no yield elongation, high strain strengthening index, and good impact performance. It is commonly used in car wheels, bumpers, suspension systems, and reinforcement components.

Ultra high strength steel: The tensile strength can reach several times that of ordinary low carbon steel, and can be divided into low-alloy ultra high strength steel, secondary hardening ultra high strength steel, martensitic aging steel, ultra strong stainless steel and other types. Suitable for components with high strength requirements such as door guards, front and rear bumpers, and reinforcing ribs.

Aluminum alloy: Aluminum alloy has the advantages of low density, high strength, and corrosion resistance, making it an ideal material for lightweight automobiles.

Casting aluminum alloy: produced through casting technology, it can be used to manufacture engine cylinder blocks, transmission housings, wheel hubs and other components. It has good fluidity and castability, and can produce parts with complex shapes.

Squeezing aluminum alloy: extruding aluminum alloy billets through an extrusion die to obtain the desired cross-sectional shape and size. Commonly used in the manufacturing of car frames, radiators, crash beams, and other components, it has high strength and good deformation resistance.

Titanium alloy: Titanium alloy has excellent properties such as low density, high strength, high temperature resistance, and corrosion resistance, but the cost is relatively high. In the automotive industry, it is mainly used in engine systems (such as valves, connecting rods, crankshafts, etc.), exhaust systems, vibration reduction systems, and body frame parts. For example, engine connecting rods made of titanium alloy can effectively reduce engine weight and improve fuel efficiency; Titanium exhaust systems can improve reliability, extend lifespan, enhance appearance, and reduce mass.

Carbon fiber composite material: It has the characteristics of lightweight, high strength, corrosion resistance, and high temperature resistance, and is an advanced high-strength material. In automotive components, it can be used to manufacture body frames, battery casings, bumpers, fenders, etc. The use of carbon fiber composite materials can significantly reduce the weight of components, improve the performance and fuel economy of automobiles, but currently the cost is high and the production process is relatively complex.

The continuous improvement of environmental awareness has prompted the development of automotive parts processing towards green direction. Adopting environmentally friendly processing techniques and materials to reduce energy consumption and environmental pollution. For example, promoting the use of dry cutting technology to reduce the use and discharge of cutting fluid; Using recyclable materials to manufacture components and reduce resource consumption.