Contact us

Blogs  | Weiye Aluminum
Location:Home - blog

Aluminum Extrusion Solutions For The Automotive Industry

weiye 0

The automotive industry is on the cusp of dramatic innovation and change. Electric vehicles, fuel cells and other alternative-powered vehicles will continue to grow in popularity and production as environmental concerns increase. Safety, fuel economy and technology are also becoming more important to consumers. A vehicle's body is one area where technology is making its presence known. For example, today's auto body technology uses aluminum extrusions to make a vehicle lighter in weight while retaining structural integrity.

The automotive industry relies increasingly on aluminum extrusion technology to make cars lighter, stronger, and more fuel efficient. Weiye Aluminum Group is the leading aluminum profiles manufacturer for the aluminum extrusion industry in China. Weiye Aluminum promotes the benefits of aluminum as a sustainable and recyclable material with a high strength-to-weight ratio and excellent corrosion resistance.


CNC machining

CNC machining is a process that uses computer-controlled machine tools to cut or shape materials. CNC machining can be used to cut and shape a wide range of materials, including metals, plastics and composites.

In addition to cutting parts from raw stock material, it can also be used for secondary operations such as milling (a form of drilling) and drilling holes or pockets in parts or components.

The CNC machine tool consists of five basic components:

· The controller (computer) monitors the operation of the machining centre

· The workpiece support system holds the workpiece against rotation during turning operations

· A tool changing mechanism moves tools into position for cutting as necessary

· A power source feeds electricity through wires connected between each part

Custom extrusions

Custom extrusions are made to order and can be manufactured to fit your specifications. The extrusions can be cut and formed to fit any shape or size, making them the perfect solution for any application requiring multiple parts.

The most important part is to work with an experienced manufacturer of aluminum extrusions. They can provide professional suggestions and services for your bespoke projects, which can save your time to searching other suppliers on the Internet over again and again.

Surface finishing

Surface finishing refers to the processes used to prepare aluminum extrusions for applications. Surface finishing is distinct from other types of fabrication, such as cutting and bending. It consists of several processes, including:

Polishing – Removes defects from the surface of an extrusion.

Anodizing – Reduces corrosion and wear resistance by changing the surface chemistry of an extrusion.

Plating – Adds a protective coating over an existing plating layer or plating layer added during another process such as anodizing or electroplating.

The benefits of surface finishing include increased corrosion resistance and reduced wear rates due to improved finishes on all surfaces, which can also increase the appearance quality by reducing glare and reflections when looking at it head-on versus viewing it at an angle (which otherwise creates distortion).

Laser cutting technology

Laser cutting is a fast, efficient and cost-effective way to cut aluminum. Laser cutting reduces waste and increases productivity by using a computer-controlled beam of light to cut the material. The laser uses heat to melt through the aluminum, leaving behind smooth edges with little-to-no burring or distortion.

Laser cutting is a great alternative to sawing because it eliminates the risk of human error during manual sawing processes and allows for more precise cuts than traditional methods.

Laser cutting is also an ideal method for producing large or complex parts due to its speed, accuracy, repeatability and visibility throughout the entire cutting process. In addition, laser cutting allows for CNC programming, which can be used as an additional step in the manufacturing process when preparing parts before fabrication begins.

Aluminum Fabrication

The aluminum fabrication process involves cutting and shaping the metal into the desired form. This is often done by welding, riveting and brazing.

The fabrication process can also involve cutting, punching and drilling.

Fabrication processes may also involve bending, forming and machining to create various shapes out of aluminum extrusions.

Aluminum Heat Treatment

Heat treatment is a process that changes the properties of materials. Aluminum extrusions are heat treated to increase strength and hardness, changing their physical characteristics. These are two different types of heat treatments:

Annealing - This process makes the material softer by removing some of its tensile strength.

Normalizing - This process makes the material stronger and harder by removing some flexibility, making it less prone to cracking or bending during use.


Anodizing is a process that creates a protective oxide layer on the aluminum surface, which helps to prevent corrosion. The anodic oxidation of aluminum results in a low-permeability coating that's smooth, hard, and abrasion resistant. It also produces a wide range of shades through varying the thicknesses and depths of the oxide layer.

Anodizing is most commonly used for architectural applications like railings and other decorative trim pieces; however, it can also be applied to automotive components like truck beds or engine compartments if desired.

Powder Coating

Powder coating involves applying dry powder pigments onto an object (such as an extruded part), followed by heating them until they fuse into a solid coating that adheres tightly to any base material below it—in this case: aluminum!

This makes powder coatings extremely scratch-resistant because they're built up from many thin layers instead of just one thick layer like traditional paint jobs would be (and thus easier to chip off). If you've ever seen how easily your car gets scuffed up when driving over dirt roads or parking lots full of pebbles, then imagine how much worse this would be if it had been painted black instead!


Cars, trucks and SUVs made with lightweight aluminum extrusions have better performance handling, improved acceleration and braking capabilities, increased passenger safety, enhanced aerodynamics and improved fuel economy. With traditional steel frames, these features are much harder to achieve as steel is notoriously heavy.

One advantage of aluminum is its low density, which makes it much lighter than other metals or plastics. In addition, aluminum's low density allows for greater stiffness without additional weight through the increased thickness.

This results in reduced overall weight and improved strength compared to conventional materials such as steel, with higher densities but lower load capacities per unit area (i.e., thicker plates).

Eco-efficient designs

In the automotive industry, you're likely to find aluminum extrusions used in areas such as:

· Doors and windows

· Floor consoles

· Dashboards and instrument panels

In addition to being strong and lightweight, aluminum is also recyclable; it can be melted down almost completely. Moreover, its naturally low carbon footprint means it does not contribute heavily to global warming. Aluminum is also durable enough for long-term use when properly treated by professionals who understand how to apply coatings like powder coating or liquid bonding agent.


Aluminum is a great material to work with when you're building an automobile. It offers lightweight designs that improve fuel efficiency, reduce emissions and help to keep the environment clean.

The versatility of aluminum makes it a sustainable material in many ways: it can be used as an exterior shell for vehicles or as interior components such as dashboards and door panels without compromising quality or performance (while also saving energy). The possibilities are endless with this amazing resource!