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鉁 Professional Consulting Team 鉁 Fast Prototyping (1-2 weeks) 鉁 Automated & Smart Manufacturing 鉁 Easy Shipping (EXW, FOB, CIF, DDP) 鉁 Global Markets Served
CNC Milling is a precision machining process that uses computer-controlled rotating cutting tools to remove material from a workpiece. It is widely used to manufacture complex and high-precision parts for industries such as automotive, aerospace, medical, and electronics.
At Starway, we provide custom CNC milling services in China, delivering high-quality CNC milled parts with tight tolerances and excellent surface finishes.
| Technology | Description | Typical Tolerance (Realistic) | Best For |
|---|---|---|---|
| 3-Axis CNC Milling | Three linear axes (X/Y/Z). Suitable for 2.5D parts. | Typical: 卤0.025 mm; achievable down to 卤0.01 mm on selected features under stable thermal conditions. | Brackets, plates, prismatic parts |
| 4-Axis CNC Milling | Adds A or B rotary axis for multi-side setups. | Typical: 卤0.025 mm; 卤0.01 mm achievable on critical features. | Parts requiring multiple-face machining without re-fixturing |
| 5-Axis CNC Milling | Simultaneous 5-axis motion for compound geometries. | Typical: 卤0.01 mm; 卤0.005 mm achievable on selected critical features depending on material, geometry, thermal stabilization and inspection requirements. | Aerospace impellers, medical implants, complex molds |
| High-Speed Milling (HSM) | High-spindle-RPM strategy for finer surface and reduced cycle time. | Typical: 卤0.01 mm (depends on tool deflection control). | Aluminum prototypes, mold finishing |
| Multi-Axis Machining (mill-turn) | Combined turning + milling on one platform. | Typical: 卤0.01 mm; 卤0.005 mm on critical features when temperature-controlled. | Complex one-setup parts (aerospace, medical) |
CNC Milling works by converting CAD designs into machine instructions (G-code), which control the movement of cutting tools to shape the material.
This process ensures high precision, repeatability, and efficiency for both prototyping and mass production.
| Parameter | CNC Milling | CNC Turning | CNC Grinding |
|---|---|---|---|
| Process Type | Subtractive cutting via rotating tool against stationary workpiece. | Subtractive cutting via stationary tool against rotating workpiece. | Abrasive material removal using bonded grinding wheels. |
| Typical Tolerance | 卤0.025鈥撀0.05 mm; 卤0.01 mm achievable on critical features. | 卤0.025鈥撀0.05 mm; 卤0.005鈥撀0.01 mm on Swiss-type / precision turning. | 卤0.002鈥撀0.01 mm (precision grinding); 卤0.001 mm on jig grinding. |
| Surface Roughness Ra | 1.6鈥3.2 渭m typical; 0.8 渭m with finishing pass. | 1.6鈥3.2 渭m typical; 0.8 渭m with finishing pass. | 0.2鈥0.8 渭m typical; 0.05 渭m achievable on superfinishing. |
| Starway Equipment Range | X 1500 脳 Y 800 脳 Z 700 mm (machine dependent). | Max turning 桅 up to ~500 mm; bed length up to ~1500 mm. | Limited precision travel; please request specs per project. |
| Workpiece Shape | Prismatic / 3D / cavities. | Cylindrical / shafts / discs. | Cylindrical / flat / form-ground profiles. |
| Materials | Steel, aluminum, brass, copper, plastics, composites. | Steel, aluminum, brass, copper, plastics. | Hardened steel, tool steel, ceramic, carbide, hard plastics. |
| Best Applications | Brackets, housings, molds, slots, threads. | Shafts, bushings, fittings, pins. | Bearing journals, gauges, precision shafts, mold cores. |
| Material Removal Rate | High | High | Low (designed for precision, not bulk) |
| Advantages | Flexible geometry, wide material range. | High efficiency for rotational parts. | Best-in-class accuracy and surface finish. |
| Limitations | Surface finish below grinding. | Limited to rotational geometries. | Low MRR, longer cycle, higher cost per feature. |
Engineering Consultation That Reduces Manufacturing Risk At Starway, engineering involvement starts before production begins. Our engineers work closely with customers to review drawings, tolerances, materials, and manufacturing feasibility, identifying potential risks early and proposing optimized solutions. By integrating engineering and sales teams, we ensure that technical decisions are accurately translated into cost, lead time, and production plans 鈥 avoiding surprises during execution.
New project success depends on speed, accuracy, and adaptability. Starway operates a dedicated project development team combining engineering, prototyping, and quality control. This allows us to deliver prototypes within 1鈥2 weeks, validate manufacturability quickly, and resolve technical challenges through real production trials 鈥 not assumptions.
On-time delivery and consistent quality are not outcomes 鈥 they are engineered results. All orders are managed through our MES system, enabling real time production tracking, quality traceability, and cross department coordination. This system-driven approach allows us to proactively manage risks, maintain schedule integrity, and keep customers informed with accurate production data.
At Starway, Easy Shipping is another key advantage. Our goal is to make customers' shipping easy, safe, and fully trackable. Our professional logistics team helps our customers handle all types of shipments 鈥 both air and sea 鈥 including EXW, FOB, CIF, DDP, etc. Our shipping system enables us to track and monitor all shipments in transit, ensuring they arrive safely and on time. Our customers are updated regularly with their shipping status.
Stainless steels are widely used in CNC machining due to their excellent corrosion resistance and strength.
Carbon and alloy steels offer high strength and durability for mechanical components, shafts, and industrial parts.
Aluminum alloys are lightweight, corrosion-resistant, and easy to machine. They are commonly finished with anodizing or coating to enhance surface durability.
Titanium and other high-strength alloys provide exceptional strength-to-weight ratios and corrosion resistance.
Engineering plastics such as POM (Delrin), Nylon, and ABS are easy to machine and lightweight.
Copper and brass are ductile and offer good thermal and electrical conductivity. They are often used in electrical components
CNC milling is used to produce high-precision custom parts for industries such as automotive, aerospace, and electronics.
Common materials include aluminum, stainless steel, brass, titanium, ABS, and POM.
Typical tolerance is 卤0.01 mm, and high-precision parts can reach 卤0.005 mm.
The cost depends on material, complexity, quantity, and machining time. China CNC milling suppliers like Starway offer competitive pricing.
Lead time ranges from 1鈥3 days for prototypes and 1鈥3 weeks for mass production.
5-axis CNC milling allows machining of complex geometries in a single setup, improving accuracy and efficiency.
Industries include automotive, aerospace, medical, electronics, and industrial equipment.
Yes, we offer fast CNC milling prototyping services with quick turnaround times.
Yes, we specialize in low-volume CNC milling and flexible production.
We offer anodizing, powder coating, polishing, plating, and sandblasting.
We use CMM inspection, strict QC processes, and ISO standards to ensure part accuracy.
Yes, our 5-axis CNC milling workshop can handle highly complex designs.
Yes, we provide global shipping to USA, Europe, Australia, and more.
We accept STEP, STP, IGES, STL, and PDF drawings.
Yes, we offer assembly services for CNC machined parts.
Simply upload your drawing to get a fast CNC milling quote within 24 hours.
China offers cost-effective, high-quality CNC machining services with fast turnaround and global delivery.
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