CNC Milled Block with Precision Cavities and Custom 3-Axis CNC Milling Parts with ±0.002~0.005mm Tolerance
We provide comprehensive precision CNC milling services utilizing advanced multi-axis machining centers to produce complex components with exceptional dimensional accuracy and superior surface finishes. Our milling capabilities support industries ranging from aerospace and medical to electronics and industrial machinery with both prototyping and high-volume production.
| Product Name | Precision CNC Milling Parts |
|---|---|
| Material Available | Steel |
| Surface Finish | Black Oxidation |
| Processing | CNC 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 |
| Engineer Support | Available for engineering assistance and drawings design |
| Packaging | Bubble and Carton or Customization |
|---|---|
| Port | Shenzhen |
Achieves tight dimensional tolerances (down to ±0.005mm) and consistent geometries across batch production, eliminating human-induced errors.
Suitable for processing aluminum alloys, stainless steel, titanium, brass, engineering plastics and composite materials.
Creates intricate shapes such as 3D contours, deep pockets, internal threads, and custom cavities.
- Face Milling: Large surface area finishing, squaring operations
- Peripheral Milling: Slotting, profiling, contour machining
- Pocket Milling: Shallow and deep pocketing, cavity creation
- Contour Milling: 2D and 3D surface profiling
- Drilling/Tapping: Precision hole making, thread creation
- Boring: High-precision hole sizing and finishing
- Thread Milling: Internal and external thread creation
| Technique | Description | Applications | Benefits |
|---|---|---|---|
| High-Speed Machining | High spindle speeds with reduced chip loads | Aluminum, graphite, plastics | Reduced cycle times, improved surface finish |
| Hard Milling | Machining materials >45 HRC directly | Tool steels, hardened steels | Eliminates EDM, better surface integrity |
| Trochoidal Milling | Constant engagement circular tool paths | Deep slots, difficult materials | Reduced tool wear, higher material removal |
| Micro-Milling | Small tools (<1mm diameter) | Medical devices, micro-optics, electronics | Precision small features, fine details |
| 5-Axis Simultaneous | Continuous tool orientation control | Turbine blades, impellers, complex geometries | Single setup completion, complex contours |
- Tool Materials: Carbide (various grades), CBN, PCD, diamond-coated, HSS
- Tool Holding Systems: HSK, BT, CAT with hydraulic, thermal, or mechanical clamping
- Cutting Tool Types: End mills (flat, ball, corner radius), face mills, slot cutters, drills, taps
- Coolant Systems: High-pressure through-spindle (70-200 bar), minimum quantity lubrication, cryogenic options
- Tool Management: Presetters, in-machine probing, automatic tool changers (30-200+ tools)
| 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 |
| 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 |
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
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
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
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
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.