Automotive CNC Machining Services: From Prototype to Volume Production
PRECI5 provides high-precision automotive precision parts manufacturing for e-mobility powertrains, chassis components, structural assemblies, and EV battery housings. Based in Shenzhen, our specialized facility combines 114 machining units and standardized Mazak equipment cells to support Tier 1 suppliers and automotive OEMs globally.
High-precision automotive precision parts machined with dedicated Mazak multi-axis work centers for consistent CPK/PPK metrics.
High-Capacity Facility
Standardized Fleet for High-Volume Automotive Repeatability
CNC machining automotive China projects often face variance across disparate machine models. We resolve cross-batch deviation by deploying identical Mazak platforms. With 39 Mazak VCN-430AL 4-axis centers and 8 Mazak C600 5-axis machines, production cells maintain identical thermal stability, kinematic profiles, and surface finishes across all production shifts.
| Machine Model | Machining Category | Key Specifications | Active Fleet Count |
|---|---|---|---|
| Mazak VCN-430AL | 4-Axis CNC Milling | Travel: 560 x 430 x 510 mm, High-speed rigid tapping | 39 Units |
| Mazak QTE100 | CNC Turning / Lathe | Precision spindle, high-speed contouring | 12 Units |
| Mazak QTC100MY | CNC Turn-Mill | Y-axis capability, single-setup complex turning-milling | 10 Units |
| Mazak C600 | 5-Axis Simultaneous CNC | Travel: 900 x 900 x 700 mm, 24,000 RPM high-speed spindle | 8 Units |
| FANUC Automation Centers | Vertical High-Speed Machining | High-efficiency cycle times for bracketry & connectors | 18 Units |
| Supporting & Finishing Fleet | EDM, Surface Grinding, Honing | Post-processing, micro-finishing, fixture manufacturing | 27 Units |
| Total Machining & Supporting Infrastructure | 114 Units | ||
Manufacturing Lifecycle
Prototype to Volume Manufacturing Roadmap
Automotive parts development relies on controlled transitions across distinct verification milestones. We scale production parameters seamlessly across four core stages, eliminating transfer errors between rapid prototyping and serial mass production.
Prototype
Rapid single-part and low-volume machining for engineering design validation, fitment checks, and early thermal evaluation.
Validation
Small-batch runs (DVT/PVT) to stress-test form, function, and metallurgical properties under operational fatigue.
Repeat Production
Bridge-to-market runs utilizing standardized fixture setups and dedicated tool paths to lock in CPK stability.
Volume Manufacturing
Full-scale capacity allocation deploying multiple 39-unit Mazak cells, ensuring predictable on-time delivery for annual contracts.
Process Selection
Automotive Machining Strategies by Part Geometry
Selecting the appropriate machining kinematic prevents unnecessary fixturing setups and lowers unit cost while maintaining true positional tolerance.
5-Axis Simultaneous
Employed on our 8 Mazak C600 centers for complex geometries requiring multi-axis continuous contouring. Eliminates multiple clampings to safeguard strict true position and profile tolerances.
- • EV Battery fluid manifold channels
- • Lightweight suspension knuckles
- • Turbocharger & compressor impellers
Turn-Mill Multi-Tasking
Utilizing Mazak QTC100MY machines to integrate mill-turn operations. Enables eccentric turning, cross-drilling, and keyway milling in a unified program without handling transfers.
- • Transmission shafts & gear splines
- • Actuator cylinder bodies
- • Precision sensor housings
4-Axis Production Milling
Leveraging our 39-unit Mazak VCN-430AL fleet for prismatic parts requiring high cutting feeds and multi-sided access. Ensures low cycle times and high cost-efficiency.
- • Structural bracketry & chassis mounts
- • Inverter casing lids & thermal plates
- • Automation & assembly fixtures
Quality & Compliance
Strict Process Control Backed by Valid IATF 16949 Standards
Automotive manufacturing tolerates zero non-conformance. Our quality assurance architecture operates under our valid IATF 16949, ISO 9001, and AS9100D certifications. Every component batch is subject to rigorous metrology routines, material traceability logs, and full dimensional verification.
ZEISS CMM (700 x 700 x 600 mm) & Sirius CMM
Full 3D coordinate inspection for complex geometric tolerances, profile true position, and GD&T validation.
X-Ray Fluorescence (XRF) Spectrometry
Incoming raw stock verification for complete alloy chemistry analysis, grain integrity, and mill cert validation.
Micro-Roughness & Hardness Profiling
Surface finish verification down to Ra 0.2 µm and Rockwell/Vickers hardness checks for heat-treated parts.
Quality Verification Checklist
Full FAI Documentation: First Article Inspection Reports aligned with AS9102 / automotive formats.
Raw Material Traceability: Complete mill test certificates (MTC) linked to raw billet batch numbers.
CPK/PPK Statistical Studies: Capability tracking on critical automotive dimensional parameters.
Certified In-Process Inspection: Calibrated gauges, roundness testers, and optical profile projectors.
Based in Shenzhen with seamless logistics forwarding to major European, North American, and Asian OEM hub locations.
Send Your Automotive Part Drawing & Annual Volume
Submit your CAD files (STEP, IGES, or DXF) alongside target volumes and tolerance requirements. Our engineering team reviews manufacturability, recommends optimal machine kinematic allocation, and returns a detailed quotation with lead times.
Direct Inquiry: info@5-axiscncmachining.com
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