iMission Industry Co.,Ltd
                                                                                                           
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13 Years
Since 2013
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CNC Machined Heat Sink with Fin Array and Black Oxidation for Automotive Cooling with ±0.002~0.005mm Tolerance

Price Negotiable
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 machined heat sink packaging and delivery process
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
CNC machining quality inspection process with precision measurement equipment Precision CNC machining components showing detailed metal parts Various precision CNC machined parts and components display
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

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

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