Precision CNC Milling Services
- 10+ years of precision CNC machining experience.
- Machining tolerances as tight as ±0.005 mm.
- Serving customers across 100+ countries and industries.
3-Axis, 4-Axis and 5-Axis Machining Capabilities
3-Axis CNC Milling
4-Axis CNC Milling
5-Axis CNC Milling
Flexible CNC Milling Solutions
Prototype CNC Milling
Prototype machining helps customers verify designs and avoid costly changes before production. SinoRise provides precise prototype CNC milling with engineering feedback to improve manufacturability and speed up development.
Small Batch CNC Milling
SinoRise specializes in small batch production, providing stable quality and flexible manufacturing without requiring high-volume orders. Our process control ensures consistent parts from the first batch to repeat production.
Engineering Support From Design to Production
Beyond machining, SinoRise supports customers with drawing review, DFM feedback, material selection, and quality inspection. We help optimize the manufacturing process to deliver reliable precision parts.
Wide Range of CNC Milling Materials
Plastic CNC Milling Materials
ABS CNC Machining
ABS offers good impact resistance, machinability and dimensional stability, making it suitable for prototypes, housings and functional CNC machined parts.
- ABS Natural
- ABS Black
- ABS White
- ABS + PC
POM CNC Machining
POM provides high stiffness, low friction and excellent dimensional stability for precision mechanical parts.
- POM-C
- POM-H
- Natural POM
- Black POM
Polycarbonate CNC Machining
Polycarbonate combines impact resistance, strength and transparency for functional prototypes and precision components.
Nylon CNC Machining
Nylon provides good wear resistance, toughness and low friction for gears, bushings and mechanical components.
PTFE CNC Machining
PTFE offers excellent chemical resistance and low friction for specialized industrial components.
PEEK CNC Machining
PEEK is a high-performance engineering plastic suitable for demanding thermal, mechanical and chemical environments.
Metal CNC Milling Materials
Aluminum CNC Milling
Aluminum combines low weight, corrosion resistance and excellent machinability, making it widely used for precision CNC milled parts.
- Aluminum 6061
- Aluminum 6061-T6
- Aluminum 2024
- Aluminum 5052
- Aluminum 7075
Stainless Steel CNC Milling
Stainless steel provides high strength, corrosion resistance and durability for industrial and precision components.
- Stainless Steel 304
- Stainless Steel 316
- Stainless Steel 17-4PH
Brass CNC Machining
Brass offers excellent machinability, corrosion resistance and electrical conductivity.
Copper CNC Machining
Copper provides excellent electrical and thermal conductivity for specialized CNC machined components.
Titanium CNC Milling
Titanium combines high strength, low weight and corrosion resistance for demanding precision applications.
Steel CNC Milling
Steel offers high strength and durability for mechanical, industrial and structural CNC machined components.
Tight CNC Milling Tolerances for Precision Components
3-Axis | 4-Axis | 5-Axis | |
|---|---|---|---|
Maximum Part Size | 4000 × 1500 × 600 mm | 1000 × 500 × 500 mm | 1000 × 500 × 500 mm |
Standard Machining Tolerance | ±0.05 mm to ±0.10 mm | ±0.025 mm to ±0.05 mm | ±0.015 mm to ±0.03 mm |
High Precision Tolerance | Down to ±0.025 mm | Down to ±0.01–0.02 mm | Down to ±0.01 mm achievable under optimal conditions |
Hole-to-Hole Position Accuracy | ±0.03–0.08 mm | ±0.02–0.05 mm | ±0.01–0.03 mm |
Perpendicularity (per 100 mm) | 0.04–0.10 mm | 0.02–0.05 mm | 0.01–0.03 mm |
Flatness (per 200 mm) | 0.03–0.10 mm | 0.02–0.06 mm | 0.01–0.03 mm |
Surface Roughness (Ra) | Ra 1.6–3.2 µm, down to Ra 0.8 µm | Ra 0.8–1.6 µm, down to Ra 0.4 µm | Ra 0.4–1.6 µm, down to Ra 0.2–0.4 µm (post-process required) |
Thread Specifications | ISO metric / UNC / UNF threads, standard machining tolerance 6H / 6g | Precision threading per ISO standards | High-precision threading for functional assemblies |
Lead Time (Simple Parts) | 1–3 days | 1–3 days | 2–5 days |
Why Choose SinoRise for CNC Milling Services?
17+ Years of Precision Manufacturing Experience
Multi-Axis CNC Milling Equipment
High-Speed Processing and Quick Delivery
Trusted by Customers for Precision CNC Milling
Common CNC Milling FAQs
Practical answers for buyers, engineers and product teams looking for custom CNC milling services.
A:CNC milling is a subtractive manufacturing process that uses computer-controlled cutting tools to remove material from a workpiece and create precision components based on digital design files.
The process starts with CAD/CAM programming, where 3D models or drawings are converted into machining instructions. Cutting tools then remove material through controlled movements to create features such as holes, slots, pockets, contours, and complex geometries.
CNC milling can be performed using 3-axis, 4-axis, or 5-axis machining methods depending on part complexity, required accuracy, and production requirements.
A:CNC milling can process a wide range of metals and engineering plastics, including aluminum, stainless steel, steel alloys, titanium, copper, brass, PEEK, POM, and Nylon.
The right material depends on mechanical requirements, operating conditions, weight limitations, corrosion resistance, temperature performance, and cost considerations.
Different materials also require different machining strategies. For example, aluminum is known for excellent machinability, while titanium requires careful control of cutting conditions due to its strength and low thermal conductivity.
A:CNC milling tolerances depend on part geometry, material characteristics, machining method, and inspection requirements. Precision components can typically achieve tolerances from ±0.01 mm to tighter levels depending on project requirements.
Factors affecting accuracy include machine capability, fixture stability, tooling condition, cutting parameters, thermal control, and measurement methods.
For high-precision projects, dimensional verification with tools such as CMM inspection helps confirm critical features meet drawing specifications.
A:Yes. CNC milling is widely used for prototype development and small batch production because it allows flexible manufacturing without dedicated tooling.
During prototyping, CNC machining helps verify design, assembly, and functionality before moving into larger production. For small batches, it provides a balance between production flexibility, quality consistency, and reasonable manufacturing cost.
This approach is especially suitable for projects that require design changes, limited quantities, or multiple development stages.
A:Yes. A design review before machining helps identify potential manufacturing issues and improve part manufacturability.
Common review areas include machining accessibility, wall thickness, corner radius, tolerance requirements, material selection, and surface finish considerations.
A proper DFM (Design for Manufacturing) review can help reduce unnecessary machining difficulty, avoid production delays, and improve overall part quality.
A:Common CNC milling surface finishes include anodizing, bead blasting, polishing, brushing, plating, powder coating, and heat treatment.
The suitable finish depends on the purpose of the component, such as improving corrosion resistance, wear resistance, appearance, hardness, or electrical performance.
Surface treatment should be considered together with machining tolerances because some finishing processes may slightly affect dimensions or surface characteristics.
A:A CNC milling quote usually requires 3D CAD files, technical drawings, material specifications, quantity, tolerances, and surface finish requirements.
3D models define the part geometry, while technical drawings provide critical details such as dimensions, tolerances, threads, and special requirements.
Common file formats include STEP, IGES, STL, DWG, and DXF. Providing complete information helps manufacturers evaluate feasibility and prepare an accurate quotation.
A:Choosing a CNC milling partner requires evaluating machining capability, production experience, quality control, and communication efficiency.
With 10+ years of precision CNC machining experience, 40+ machining equipment, and experience serving customers across 100+ countries and industries, SinoRise focuses on supporting complex custom machining projects.
From prototype development to small batch production, the company combines engineering support, flexible manufacturing, and precision control to meet different project requirements.
Start Your Custom CNC Milling Project
- Form Guide:
- Upload your 2D or 3D drawings, such as STEP, IGES, DWG or PDF files
- Provide part name, material and quantity
- Share tolerance and surface finish requirements
- Tell us the application industry and expected use
- Add delivery time, inspection or packaging requirements if needed
- Leave your company name, email and contact information
