CNC Machining Solutions for Automotive & EV Components
Precision components for motor systems, transmission structures, thermal management parts, flanges, and EV assemblies.
We machine EV motor housings, transmission brackets, heat spreaders, drive flanges, busbar connectors, and shaft sleeves for electric vehicle powertrains, charging infrastructure, and EV platform assemblies — with SPC production control and PPAP documentation capability.
The manufacturing pain points our customers in this industry face most often — and how we address each one before it becomes a problem on your assembly line.
Repeatability in Production Parts
Automotive production demands part-to-part dimensional consistency, not just first-article accuracy. A 0.02 mm variation in a motor housing bore that passes incoming inspection can cause bearing preload issues on the assembly line — only discovered after significant rework.
EV Thermal Management Demands
EV batteries and power electronics generate intense, concentrated heat. Cooling plates and heat spreaders must combine complex internal channel geometry with flatness tolerances of ≤0.02 mm for effective TIM contact across the full cell array.
Dimensional Consistency for Assembly Lines
EV powertrain assembly is optimized for speed and repeatability. Components must arrive dimensionally consistent so assembly is predictable — no sorting, shimming, or selective assembly required at the production station.
Fast Development and Production Support
EV programs move from prototype to production quickly. Suppliers must support rapid prototype iteration during development and stable, documented production supply as volume ramps — often in the same 12-month period.
Motor housings, thermal management plates, structural brackets, copper busbars, and drivetrain parts for EV powertrain and platform assemblies.
Specific machining, quality, and project support capabilities that match what this industry actually demands — not generic claims.
Stable Production Quality Part to Part
SPC monitoring on critical features, dedicated CMM fixtures, and locked programs ensure batch 50 is dimensionally identical to batch 1. Consistent parts mean predictable assembly yield and reduced field warranty issues.
Cooling Channel Complexity In-House
Complex internal cooling channel geometries are machined and pressure-tested in-house. No multi-supplier coordination for thermal management assemblies. Cold plates ship with 3 bar pressure test records as standard.
Copper Machining Without Compromise
Validated PCD tooling processes for C11000 copper busbars and current-carrying connectors — burr-free profiles, no surface smearing, consistent contact resistance. Silver and tin plating coordinated in-house.
PPAP-Ready Documentation
Control plans, SPC charts, PFMEA documentation, and PPAP Level 3 packages prepared for all automotive production programs. We support direct OEM and Tier 1 supplier qualification processes.
From your first drawing to stable production delivery — a clear process that keeps your development and production schedule on track.
Drawing Review & DFM Analysis
We review component drawings for dimensional requirements, tolerance stack-up, and production feasibility. DFM feedback included with the quotation.
Prototype to First Article
Prototype parts in 7–10 days. First article with CMM report, material certification, and process documentation. Validate and approve before production begins.
PPAP and Production Launch
We prepare PPAP documentation alongside first article production. Production launch with SPC monitoring, control plans, and locked programs.
Stable Ongoing Supply
Rolling production with SPC charts, process audits, and periodic CMM sampling. Consistent quality maintained across every production batch.
Material, machining process, and surface finish are coordinated at the quoting stage. Every combination below is validated on active customer programs.
A selection of completed projects from this industry. Every part was delivered with full CMM inspection report and material certification.
EV Motor Housing Set
6061-T6 Al EV motor housings. Stator bore H6, water jacket passages, 3 bar pressure tested. CMM report with bore roundness, cylindricity, and bearing seat runout. 200 pcs/month.
Battery Module Cold Plate
6063-T5 Al liquid cold plates with serpentine internal channels. Flatness ≤0.02 mm TIM surface, 3 bar N₂ pressure tested. 50 units for EV battery module OEM.
Copper Busbar Connector Set
C11000 copper busbars for EV battery pack. PCD machined, burr-free profiles, silver plated 8 μm. Full plating thickness certificate. 500 sets/batch.
Transmission Bracket PPAP Program
7075-T6 Al transmission brackets. PPAP Level 3 documentation, SPC charts on 3 critical features, hard anodize. Delivered to Tier 1 automotive supplier.
Common questions from engineers and procurement teams in this industry. Can't find your answer? Ask us directly →
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Every enquiry includes a DFM review — tolerance feasibility, material confirmation, and process approach confirmed before production starts. MOQ 1 piece.