CNC Machined Heat Sink with Fin Array and Black Oxidation for Automotive Cooling with ±0.002~0.005mm Tolerance
Price:
0.1~5USD
MOQ:
I PC
Delivery Time:
7~35 working days
Brand:
IMission
Product Description
CNC Machined Heat Sink with Fin Array for Automotive
CNC Spare Parts Specifications
| Product Name | CNC Spare Parts |
| Material Available | Stainless Steel |
| Processing | CNC |
| Surface Finish | Black Oxidation |
| 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 |
| Engineer Support | Available for engineering assistance and drawings design |
Packaging and Delivery
| Packaging | Bubble and Carton or Customization |
| Port | Shenzhen |

CNC Spare Parts Features
CNC pare parts boast superior structural integrity and wear resistance, thanks to the precise material removal and uniform stress distribution during the machining process. These parts meet strict industrial standards, with stable mechanical properties that suit heavy-duty applications such as precision bearings, hydraulic components, and mold inserts. Additionally, their compatibility with automated production lines enables seamless integration into modern manufacturing workflows.
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 |

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
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
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
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
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
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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