Created on 10.09
How Lightweight CNC Components Benefit New Energy Vehicle Assemblies?
CNC precision machined parts for new energy vehicles are applied to motor housings, battery pack structures, electronic control enclosures, chassis connectors and charging pile fittings. EV components require lightweight design, high mechanical strength, reliable heat dissipation and structural stability, so key structures are usually manufactured via precision CNC machining.
Aluminum is widely adopted in new energy vehicle assemblies. However, thin-wall aluminum parts tend to deform during machining and compromise assembly precision and sealing performance. We apply layered cutting and stress-relief finishing processes to control workpiece deformation and secure stable dimensional performance.
We produce aluminum, steel and composite structural parts from prototype samples in early R&D stages through low-volume mass production strictly according to customer drawings.
Application Scenarios
- New energy motor housings
- Battery pack structural components
- Electronic control unit enclosures
- Chassis connecting fittings
- Charging pile parts
Core Machining Strengths
- Strong capability for lightweight structural part fabrication
- Layered cutting reduces deformation of thin-wall aluminum
- Reliable precision for sealing surfaces
- Uniform machining quality for heat dissipation grooves
- Fit for new energy vehicle component R&D and volume production
Available Materials
Material | Description |
6061 | Aluminum alloy with balanced strength and machinability |
6063 | Aluminum alloy for housings and general structures |
7075 | Aerospace-grade aluminum for high-strength structures |
SUS304 | Stainless steel for corrosion-resistant assemblies |
Die-cast Aluminum | Suitable for complex housing components |
Precision Specifications
Item | Specification |
Assembly tolerance | ±0.02mm |
Sealing surface flatness | High-precision control |
Heat dissipation groove precision | Stable dimension & uniform surface |
Machining method | 3-axis / 5-axis CNC machining |
Air tightness test | Conducted as component requirements |
Production Process Flow
DFM drawing analysis → Material cutting → Rough machining for material removal → Aging stress relief → Precision finish milling → Hole & thread precision machining → Sandblasting / anodizing → Air tightness re-test → Waterproof packaging for shipment
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