Structural characteristics of aluminum profiles in NEV motor housings:

The main body of the cylindrical motor housing is formed via aluminum extrusion.
Multiple hollow flow channels are designed into the interior.
Coolant circulates within the profile to cool the motor.
Subsequent processes include CNC precision machining, turning, welding, and surface treatment.

Some EV motor housings utilize multi-chamber aluminum extrusion structures, allowing coolant to flow directly through the housing interior to enhance heat dissipation efficiency.

Analysis of advantages regarding the use of aluminum profiles in NEV motor housings

1. Efficient heat dissipation, enhancing motor performance

Motor windings generate significant heat during high-speed operation of new energy vehicles.

Aluminum profile motor housings:

✅ Offer excellent thermal conductivity
✅ Allow for the design of water-cooling channels
✅ Increase heat dissipation surface area
✅ Lower motor temperatures

This helps the motor maintain stable output, improving driving range and reliability.

2. Lightweighting, extending NEV driving range

The density of aluminum is approximately one-third that of steel.
Compared to traditional steel motor housings, they:
Reduce overall vehicle weight
Lower energy consumption
Increase driving range
Improve vehicle dynamic response

The demand for lightweighting in new energy vehicles has driven the increased use of aluminum alloys in powertrain systems.

3. Integrated design, reducing part count

The aluminum extrusion process allows for the direct production of:
The main housing body
Cooling channels
Reinforcing ribs
Mounting interfaces
This reduces the need for welding multiple traditional parts, thereby improving:
✔ Structural strength
✔ Assembly efficiency
✔ Product consistency

Aluminum profile extrusion for NEV motor housings:

Uses 6063-T65 aluminum alloy
Incorporates multiple internal cooling channels in the housing design
Enhances cooling efficiency through internal structural design
Meets requirements for both lightweighting and structural support

As new energy vehicles evolve toward higher power, higher efficiency, and lighter weight, drive motors must deliver higher output power within limited space while controlling temperature rise.
Thanks to advantages such as lightweighting, high thermal conductivity, ease of processing, and the ability to integrate cooling structures, aluminum profiles are widely used in drive motor housings for new energy vehicles.