Precision CNC Turning Milling Parts for Auto Engine Components 100% Inspection
Price:
0.1~5USD
MOQ:
I PC
Delivery Time:
7~35 working days
Brand:
IMission
Product Description
Precision CNC Turning Milling Parts for Auto Engine Components
High-precision CNC turning and milling parts specifically engineered for automotive engine applications, delivering exceptional dimensional accuracy and superior surface finishes.
CNC Turning Milling Parts Specifications
| Product Name | CNC Turning Milling Parts |
| Material Available | Stainless Steel (SS) |
| Processing | CNC Turning Milling |
| Tolerance | ±0.002~0.005mm |
| Drawing Accepted | IGES(igs), STEP(stp), SolidWorks (sodprt), PRT, AutoCad, or Samples |
| Inspection | CMM, Projector, Height Gauge, etc. |
| Lead Time | 7~35 working days |
| Quality Assurance | ISO9001:2015, SGS, RoHs |
| Payment Term | MoneyGram, Western Union, T/T, D/P, D/A, L/C |
| Price | According to your drawing or requirements |
Packaging and Delivery
| Packaging | Bubble and Carton or Customization |
| Port | Shenzhen |

CNC Turning-Milling Features
CNC turning-milling parts deliver ultra-precise dimensional accuracy with tolerances down to ±0.005 mm and superior surface finish (Ra ≤ 0.8 μm). The seamless integration of turning and milling operations in a single setup eliminates secondary machining errors, ensures consistent geometric consistency across batch production, and accommodates complex features including multi-axis threaded holes, contoured surfaces, and integrated slots. These capabilities make them ideal for high-performance applications in aerospace, automotive, and industrial machinery.
Secondary Operations & Finishing
Value-Added Services
| Operation | Equipment/Process | Capability | Typical Tolerances |
|---|---|---|---|
| CNC Turning | Live tooling on mills, separate lathes | Turning features on milled parts | ±0.01mm |
| Grinding | Surface, cylindrical, jig grinders | Precision flatness, parallelism, size | ±0.002mm |
| EDM | Wire and sinker EDM | Complex geometries, hard materials | ±0.005mm |
| Heat Treatment | Vacuum furnaces, atmosphere controlled | Hardening, tempering, stress relief | Material dependent |
| Welding | TIG, laser, electron beam | Component assembly, repair | ±0.05mm after weld |
| Assembly | Press fits, adhesive, fastening | Multi-component assemblies | As per drawing |
Surface Finishing Options
| Finish Type | Process Method | Surface Ra (μm) | Characteristics & Applications |
|---|---|---|---|
| As-Machined | Standard CNC milling | 0.8-3.2 | Cost-effective, visible tool marks, general applications |
| Bead Blasting | Glass bead, aluminum oxide | 0.8-1.6 | Matte finish, uniform appearance, stress relief |
| Polishing | Mechanical, chemical, electro | 0.025-0.4 | Reflective, smooth, food, medical, optical |
| Anodizing | Type I-III, hardcoat (Al) | Base material dependent | Decorative, corrosion resistant, wear resistant |
| Plating | Nickel, chrome, zinc, tin | Varies | Corrosion protection, appearance, solderability |
| Powder Coating | Electrostatic application | N/A (coating) | Durable, color options, corrosion protection |
| Passivation | Nitric or citric acid (SS) | Base material finish | Corrosion resistance restoration |
| Laser Marking | Fiber, YAG lasers | N/A (marking) | Permanent identification, serialization, logos |
| Tumbling/Vibratory | Media finishing | 0.4-1.6 | Deburring, edge breaking, surface smoothing |
Quality Assurance & Inspection
Inspection Equipment & Capabilities
- CMM (Coordinate Measuring Machines): 3D measurement with 0.001mm accuracy, temperature controlled
- Optical Comparators/Vision Systems: Non-contact measurement, 2D profile verification
- Surface Roughness Testers: Contact and non-contact Ra, Rz, Rq measurements
- Roundness/Form Testers: Cylindricity, concentricity, flatness verification
- Hardness Testers: Rockwell, Brinell, Vickers, micro-hardness
- Portable Arms: Articulated arms with laser scanner for large parts
- Digital Height Gauges: Precision height measurement with 0.001mm resolution
- Gauge Blocks & Calibrated Instruments: Full set to ISO 3650 standards
- Force/Torque Measurement: For assembly validation, spring constant verification
Quality Management System
- ISO 9001:2015 Certified: Full quality management system implementation
- First Article Inspection: AS9102, PPAP, or custom FAIR documentation
- Statistical Process Control: Real-time monitoring of critical characteristics
- Material Certification: Mill test reports, material traceability to heat/lot
- Calibration Program: All inspection equipment calibrated to NIST-traceable standards
- Document Control: Revision-controlled drawings, specifications, procedures
- Non-Conformance System: Documented containment, root cause analysis, corrective action

Target Industries & Applications
Aerospace & Defense
Components: Structural frames, brackets, housings, turbine components, fittings
Materials: Aluminum (2024, 7075), titanium, Inconel, high-strength steels
Standards: AS9100, NADCAP (machining), MIL specifications, customer-specific
Critical Requirements: Fatigue resistance, weight optimization, documentation, traceability
Materials: Aluminum (2024, 7075), titanium, Inconel, high-strength steels
Standards: AS9100, NADCAP (machining), MIL specifications, customer-specific
Critical Requirements: Fatigue resistance, weight optimization, documentation, traceability
Medical & Life Sciences
Components: Surgical instruments, implantable devices, diagnostic equipment, prosthetics
Materials: 316L stainless, titanium (Grade 5, 23), PEEK, cobalt-chrome
Requirements: Biocompatibility, cleanroom manufacturing, sterilization compatibility
Regulations: FDA compliance, ISO 13485, USP Class VI testing where applicable
Materials: 316L stainless, titanium (Grade 5, 23), PEEK, cobalt-chrome
Requirements: Biocompatibility, cleanroom manufacturing, sterilization compatibility
Regulations: FDA compliance, ISO 13485, USP Class VI testing where applicable
Automotive & Motorsports
Components: Engine parts, transmission housings, suspension components, brackets
Materials: Aluminum, various steels, brass, magnesium (racing)
Production Volumes: Prototype to high-volume (10,000+ parts)
Special Capabilities: JIT delivery, kanban systems, production line support
Materials: Aluminum, various steels, brass, magnesium (racing)
Production Volumes: Prototype to high-volume (10,000+ parts)
Special Capabilities: JIT delivery, kanban systems, production line support
Electronics & Semiconductor
Components: Enclosures, heat sinks, wafer handling, test fixtures, connector bodies
Materials: Aluminum, copper, engineering plastics, composites
Precision Requirements: Often ±0.005mm or better, micron-level flatness
Cleanliness: ESD-safe materials, particulate control, specialized cleaning
Materials: Aluminum, copper, engineering plastics, composites
Precision Requirements: Often ±0.005mm or better, micron-level flatness
Cleanliness: ESD-safe materials, particulate control, specialized cleaning
Industrial Machinery & Automation
Components: Machine frames, brackets, guides, robotic components, fixture
Materials: Carbon steel, aluminum, stainless, cast iron
Requirements: Wear resistance, dimensional stability, rigidity
Capabilities: Large part machining, weldment preparation, assembly interfaces
Materials: Carbon steel, aluminum, stainless, cast iron
Requirements: Wear resistance, dimensional stability, rigidity
Capabilities: Large part machining, weldment preparation, assembly interfaces
Shipping & Logistics
- Export Documentation: Commercial invoice, packing list, certificate of origin
- International Compliance: REACH, RoHS, conflict mineral documentation
- Global Shipping: Relationships with major carriers (DHL, FedEx, UPS)
- Inventory Management: Consignment stock, kanban systems, bonded warehousing
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
iMission Industry Co.,Ltd
Location
Blcok#2, No.36-8 Yingtai Road, Langkou Community, Dalang Street, Longhua District Shenzhen
Contact Person
Mady Gong