New Energy Vehicle Parts and CNC Machining

CNC Wheel Machining for Automotive Industry
Jack Lie CNC machining expert

Specialize in CNC Milling, CNC Turning, 3D Printing, Urethane Casting, and Sheet Metal Fabrication Services.


The green energy sees a swift advancement due to their versatility and recyclability. Meanwhile, the new energy vehicle parts play a crucial role in the manufacturing industry. However, CNC machining technology is extensively employed in the processing of vehicle-machined parts so as to ensure high quality and reliability.

Therefore, this article will delve into the introduction of CNC machining in new energy vehicle parts, its application, as well as its benefits, and more.

Importance of CNC Machining in the Automotive Industry

CNC machining is integral to the fabrication of high-quality new energy vehicle parts. Furthermore, it also provides manufacturers with 3D printing prototype technology to reduce design flaws before actual production.

Additionally, CNC machining offers an array of machining processes, from milling to drilling to turning, satisfying stringent requirements like tight tolerance and surface finish.

Benefits of CNC Machining in the Automotive Industry

Turning Parts

Below are some common advantages in this process:

  1. High Precision: Electric vehicle parts like batteries and motors demand extremely exacting standards for the precision of shape and size. CNC machining, nevertheless, can deliver green vehicle parts with tolerances as precise as +/- 0.010 inches.
  2. Unparalleled Efficiency: The cutting-edge automation and fast production speed greatly facilitate the production efficiency of sustainable parts. Moreover, it also allows them to engage in high-volume manufacturing while guaranteeing quality.
  3. Price-friendly: In addition, CNC can minimize material loss and improve the utilization rate of materials. 
  4. Strong flexibility: Automated machines can quickly switch to produce different parts based on design drawings to meet the needs sustainable vehicle parts.
  5. Consistency: They also can ensure that the size, shape, and other parameters of the same batch of parts are highly consistent, improving the stability of product quality.

How is CNC Used in the EV Manufacturing?

New Energy Vehicle Parts

In the manufacturing of new energy vehicles, CNC machining technology is widely utilized in the following key systems:

1. Battery system:

Battery housings and structural parts demand high-precision processing to ensure accurate dimensions and stable structures. Not only that, it also requires thermal-resistant materials involving aluminum and its alloys, creating friction in the drilling machining. However, CNC machining can achieve highly precise manufacturing of intricate shapes.

2. Drive system

Key components like motor rotors and stators also demand extremely high machining accuracy. CNC technology can ensure that the size, shape, surface quality, and other indicators of these components meet the required specifications. Furthermore, flawless electrical components can increase productivity and reduce downtime errors.

3. Braking system

Manufacturers typically take advantage of milling machines and lathes to create brake discs, brake calipers, and other brake system components. Moreover, CNC services can ensure the performance and safety of these braking components.

4. Vehicle steering system

Also, steering systems connecting rods, bearings, and other components require complex machining processes. CNC machine tools can efficiently complete these machining tasks.

5. Body and chassis system

The body of new energy vehicles adopts a lightweight design and requires a large number of complex structural parts such as aluminum alloys and carbon fibers. In addition, manufacturers can simulate these cutting materials with CAD/CAM software.

Further, in the assembly process of new energy vehicles, a large number of precision tooling fixtures are also required, and these tooling can also be manufactured by CNC machining. 

In general, CNC machining plays an important role in each key system of new energy vehicle manufacturing, ensuring high-precision, high-quality, and high-efficiency manufacturing of products. With the continuous advancement of new energy vehicle technology, the application of CNC machining in this field will become more and more extensive and important.

Materials Available for Machining New Energy Vehicle Parts

Die cast aluminum alloy connector housing

Here are some materials that act in machining new energy vehicle parts:

  • Aluminum Alloys: Manufacturers usually apply aluminum alloys including the 6061 and 7075 series to produce electric vehicle bodies, chassis, and motor housings.
  • Carbon Fiber Composite Materials: Used for manufacturing lightweight body and roof parts, with high strength and low weight characteristics.
  • Engineering Plastics: Such as nylon, PBT, and PPS to create battery boxes, motor components, interior parts, etc.
  • Stainless Steel: They feature good strength and corrosion resistance and are generally used for some structural components and fasteners.
  • Titanium Alloys: Applied in some high-performance parts like suspensions and braking systems, with high strength and low density.
  • Ceramic-based Composite Materials: Utilized for manufacturing battery management systems and motor bearings with excellent heat resistance and insulation properties.

Custom CNC Green Energy Vehicle Parts in Runsom

At Runsom, we provide custom CNC machined green energy vehicle parts. We are committed to producing high-quality, environmentally friendly vehicle parts for our customers to meet their individual needs. Additionally, we offer advanced CNC machining services that can accurately process a variety of metal and plastic materials to ensure excellent product performance. Also, we attach great importance to environmental protection, using energy-saving and emission-reducing processes in production. If you are interested in our products and services, please feel free to contact us or ask for an instant quote.


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