Specialized Custom CNC Machining Service for Automobile Electric Motor Stator Rotor
1. Product Overview
GreatLight, a world‑class precision CNC machining factory based in China, delivers high‑quality, customized Electric Motor Stator Rotor accessory components for the automotive sector. Leveraging ISO 9001:2015 certification, 5‑axis CNC machining, and state‑of‑the‑art tooling, we produce intricate parts that meet the exact specifications of modern electric vehicles (EVs) and hybrid drivetrains.
Key highlights:
- Unmatched tolerance: ±0.001 mm precision using 5‑axis machining.
- Rapid turnaround: Prototype to final part in days.
- Full‑cycle support: From design review to delivery and after‑sales.
- Cost‑effective solutions: Competitive pricing without compromising quality.
- Flexible volume: One‑off prototypes to large‑batch production runs.
2. Core Capabilities & Technical Expertise
| Capability | Details | Equipment | Expertise |
|---|---|---|---|
| 5‑Axis CNC Machining | Complex 3‑D geometries, multiple cutting directions | 5‑axis vertical machining center, 5‑axis horizontal machining center | Advanced toolpath strategies, adaptive control |
| 3‑Axis Lathe & Milling | Straight‑forward features, high surface finish | CNC lathe, CNC mill | Precision turning, surface finishing |
| Multi‑Material Processing | Steel, stainless steel, aluminum, titanium alloys, composites | Dedicated tooling, coolant systems | Material‑specific tool selection |
| Advanced Finishing | Polishing, coating, anodizing, surface treatments | Finishing station, plasma/chemical baths | Surface integrity, noise reduction |
| Design Review & Simulation | CAD-CAM integration, 3‑D simulation | SolidWorks, Mastercam, CATIA | Design validation, tolerance analysis |
| Rapid Prototyping | 3‑D printed, CNC milled prototypes | Selective laser sintering, CNC milling | Early concept validation, fit‑check |
| Quality Assurance | In‑process inspection, final metrology | CMM, laser scanners, optical comparators | ISO 9001:2015 compliance |
| Supply Chain Management | Vendor coordination, logistics | ERP, WMS | Risk mitigation, on‑time delivery |
3. Main Features & Advantages
| Feature | Benefit | Why It Matters to Automotive OEMs |
|---|---|---|
| Precision Tolerance (±0.001 mm) | Ensures perfect magnetic flux distribution, reduces vibration | Critical for high‑efficiency motors and noise‑free operation |
| Complex Geometry Support | 5‑axis capability handles intricate blade shapes, radial/axial slots | Electric Motor Stator Rotor design, higher power density |
| Material Flexibility | Works with high‑strength steels, low‑loss electrical steels, aluminum alloys | Optimizes weight, cost, thermal characteristics |
| Fast Turnaround | Prototype to production in 3–5 days | Accelerates product development cycles |
| Integrated Design Review | Early error detection, cost estimation | Saves rework, reduces time‑to‑market |
| End‑to‑End Process Control | From machining to surface finish | Guarantees uniform quality across batches |
| Competitive Pricing | Volume discounts, cost‑effective tooling | Improves margins for OEMs and Tier‑1 suppliers |
| Robust QA System | CMM, laser scanning, visual inspection | Meets automotive safety and reliability standards |
| Confidentiality Commitment | Non‑disclosure agreements, secure data handling | Protects proprietary designs |
4. Suitable Applications
- Electric Vehicle (EV) Motors – Permanent‑magnet synchronous motors, induction motors, axial‑flux motors.
- Hybrid Drive Trains – High‑torque motors for power take‑off (PTO) systems.
- Power Electronics – Heat sinks, controller housings, coil holders.
- Auxiliary Systems – Fan Electric Motor Stator Rotors, compressor drives, HVAC components.
- Specialty Parts – Custom stator cores for niche automotive components (e.g., regenerative braking systems).
5. Quality & Accuracy
- ISO 9001:2015 certified quality management system.
- Statistical Process Control (SPC) for all machining operations.
- CMM Verification for dimensional accuracy; tolerance shift < ±0.001 mm.
- Laser Scanning for complex surface topology.
- In‑process Hardness & Magnetic Tests for core materials.
- End‑of‑Line Inspection includes surface roughness (Ra < 0.2 µm) and visual defect checks.
6. Parameter Table (Example – Axial‑Flux Motor Stator Core)
| Parameter | Symbol | Value Range | Units | Tolerance |
|---|---|---|---|---|
| Core diameter | D | 200–800 | mm | ±0.01 |
| Slot width | W | 4–12 | mm | ±0.005 |
| Slot depth | L | 10–30 | mm | ±0.01 |
| Number of slots | N | 8–48 | — | — |
| Magnetic material | – | 400 A/m, 1200 A/m, 2000 A/m | — | — |
| Total weight | Wt | 200–2000 | g | ±1% |
| Surface roughness | Ra | 0.05–0.2 | µm | ±0.05 |
| Thermal conductivity | k | 20–40 | W/m·K | ±5% |
7. Material Properties Table
| Material | Density | Melting Point | Thermal Conductivity | Magnetic Loss (kW/m³@1 kHz) | Corrosion Resistance |
|---|---|---|---|---|---|
| 3.5% Si–Fe (Electrical Steel) | 7.65 | 1400 | 16 | 0.02 | Good |
| 5% Si–Fe (High‑Loss Electrical Steel) | 7.75 | 1450 | 18 | 0.5 | Good |
| 7075‑Al (Aluminum Alloy) | 2.81 | 650 | 160 | — | Excellent |
| 316‑L Stainless Steel | 8.0 | 1375 | 15 | — | Excellent |
| Ti‑6Al‑4V (Titanium Alloy) | 4.43 | 1150 | 22 | — | Excellent |
8. Machining Instructions (General Workflow)
- Design Input
- Receive finalized CAD model (SolidWorks, CATIA, IGES, STEP).
- Verify geometry, clearances, and material specification.
- Toolpath Planning
- Use Mastercam or Siemens NX CAM for 5‑axis strategy.
- Optimize tool selection (HSS, carbide, diamond) based on material.
- Machine Setup
- Zero the spindle, set up coolant and workholding.
- Load fixtures for 5‑axis orientation.
- Milling / Turning
- Execute roughing, semi‑finishing, finishing passes with progressive depth of cut.
- Monitor spindle torque, vibration, and temperature.
- In‑Process Inspection
- CMM checks on critical dimensions after roughing.
- Adjust toolpath if deviations exceed tolerance.
- Surface Finishing
- Polish or apply coating as required (anodizing, electropolishing).
- Verify surface roughness with profilometer.
- Final Inspection
- Complete CMM survey.
- Perform magnetic loss test for steel cores.
- Packaging & Shipping
- Use vibration‑damped containers.
- Attach inspection report and shipping documentation.
9. Customization Guide
- Material Selection
- Provide material grade; GreatLight recommends based on torque, size, and cost.
- Design Optimization
- Suggest slot geometry, cooling channels, and magnetic flux paths.
- Tolerance Specification
- Define critical dimensions; we can achieve ±0.001 mm for most features.
- Quantity & Batch Planning
- One‑off prototypes: 1–10 units.
- Production runs: 100–10,000+ units.
- Packaging & Shipping Requirements
- Bulk packaging for high volumes; custom crating for prototypes.
10. Price Advantage
| Feature | Cost Impact | GreatLight Advantage |
|---|---|---|
| Tooling | High upfront costs | We provide tooling for free up to 1000 units; afterwards, tooling cost amortized. |
| Process | Multi‑axis machining higher | Our 5‑axis centers reduce machining time by 30-40% versus 3‑axis. |
| Inspection | $5–$10 per part | Included in quoted price for first 500 units. |
| Lead Time | 4–8 weeks | We can deliver 3–5 days for prototypes, 2–3 weeks for small batches, 1–2 months for large volumes. |
11. Delivery Cycle & On‑Time Performance
- Prototype: 3–5 business days (inclusive of design review).
- Small Batch (1–50 units): 2–3 weeks from order confirmation.
- Medium Batch (51–500 units): 3–4 weeks.
- Large Batch (501–10,000 units): 4–6 weeks.
On‑time delivery record: > 98 % of orders shipped within the promised window over the past 3 years.
12. Communication Efficiency & Technical Support
- Dedicated Account Manager: Single point of contact for all queries.
- Real‑time Tracking: Online portal to monitor production status, inspection reports, and shipping details.
- Multi‑channel Support: Email, phone, WhatsApp, and video conferencing.
- Technical Consultation: In‑house engineers provide design, material, and process advice.
13. Technical Capabilities & Equipment Highlights
| Equipment | Specs | Application |
|---|---|---|
| 5‑Axis Vertical Machining Center | 800 mm × 800 mm work envelope, 60 kW spindle | Complex stator cores, gear housings |
| 5‑Axis Horizontal Machining Center | 1000 mm × 1000 mm, 80 kW spindle | Long blade components |
| CNC Lathe | 1000 mm × 2000 mm, 40 kW spindle | Shaft production |
| Laser Cutting & Engraving | 300 mm × 300 mm, 500 W CO₂ | Cutting steel sheets |
| Surface Finishing Station | 150 mm × 150 mm | Polishing, anodizing, coating |
| CMM (Cartesian) | 400 mm × 400 mm, 0.02 µm resolution | Dimensional verification |
| Laser Scanner | 1000 mm × 1000 mm, 0.05 µm accuracy | 3‑D surface topology |
14. Quality Control System & Certifications
- ISO 9001:2015 – Quality Management System.
- ISO 14001:2015 – Environmental Management.
- OHSAS 18001 – Occupational Health & Safety.
- ASME Y14.5 – Tolerance & Fit Standards.
- ISO 13485 – Medical Device Quality (for Electric Motor Stator Rotor used in medical equipment).
Inspection Flow:
- Incoming Material QA – Visual, dimensional, chemical composition.
- In‑Process QC – Toolpath monitoring, vibration analysis.
- Final QC – CMM, surface roughness, magnetic loss, dimensional tolerance.
- Documentation – Certificate of Conformance (CoC) and inspection reports.
15. Confidentiality & Intellectual Property Protection
- Non‑Disclosure Agreements (NDAs) signed before data exchange.
- Secure Data Transfer via encrypted FTP or cloud services.
- Physical Security – CCTV, restricted access to production areas.
- IP Ownership – All designs and data remain the client’s property.
- Legal Compliance – Adheres to WTO, U.S. ITAR, and EU GDPR where applicable.
16. Supply Chain Stability & Risk Management
- Multiple Raw Material Sources – Reduces dependency on single suppliers.
- Inventory Buffer – 3‑month stock of critical alloys and tooling.
- Contingency Planning – Alternate machines and spare parts inventory.
- Regular Audits – Supplier performance and quality audits quarterly.
- Continuous Improvement – Lean Six Sigma initiatives to reduce waste and cycle time.
17. Why Choose GreatLight for Your Motor Core & Accessory Fabrication
| Criterion | GreatLight | Competitors |
|---|---|---|
| Precision | ±0.001 mm | ±0.005 mm |
| Lead Time | 3–5 days (prototype) | 2–4 weeks |
| Cost | Competitive, volume discounts | Higher due to limited tooling |
| Flexibility | 5‑axis, 3‑axis, lathe, finishing | Mostly 3‑axis |
| Technical Support | Dedicated engineers, design review | Limited support |
| Quality | ISO 9001:2015, SPC | Varies |
| IP Protection | NDA, secure data | Limited |
18. Contact & Next Steps
- Provide CAD Files & Requirements – Email or upload via portal.
- Request a Quick Quote – In 24 hours.
- Receive Design Review Feedback – Within 48 hours.
- Approve Tooling – Free for first 1000 units.
- Start Production – Prototype delivery in 5 days.
- Scale to Production – Seamless transition for large volumes.
Contact Details
- Phone (WhatsApp): +86 180 2756 7310
- Email: rich@glcncmachining.com
- Website: glcncmachining.com
GreatLight CNC Machining Center – Delivering precision, speed, and reliability for the next generation of automotive motor components.
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