Custom CNC Milling Services Online
Baosheng Industrial offers high-precision CNC milling services, enabling rapid production of prototypes and mass-produced parts in as little as 1-3 business days. Equipped with 3-axis, 4-axis, and 5-axis machining equipment, we achieve tolerances as tight as ±0.008 mm with exceptional surface finish quality.
- Custom CNC Machined Prototypes
- High-Volume Production: 100K+ Units
- Tolerance as tight as ±0.01 mm
- Delivery in as little as 3 days
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What is CNC Milling?
CNC milling is a computer-programmed subtractive manufacturing process that removes material from solid metal or plastic workpieces using high-speed rotating cutting tools. This process begins with a CAD design model, which is then converted into CNC programs to precisely control machine tool movements. Using tools such as multi-tooth milling cutters, end mills, and drills, the process follows specific paths along the X, Y, and Z axes to produce parts that meet specifications.
Depending on part complexity, CNC milling can be categorized into the following configurations:
- 3-axis milling: The tool moves along three linear axes (X, Y, Z) to shape components.
- 4-axis milling: Adds rotational movement on one axis to the three linear axes.
- 5-axis milling: Incorporates rotational movement on two additional axes, enabling the execution of highly complex geometric designs.
Custom CNC Milling Solutions for Custom Parts
We offer comprehensive CNC milling services to meet diverse manufacturing needs, from simple prototypes to highly complex components. By integrating advanced 3-axis, 4-axis, and 5-axis machining capabilities, we transform your design concepts into reality with unmatched precision, accuracy, and craftsmanship.
3 Axis CNC Milling Services
3-axis CNC milling is the preferred solution for achieving high precision at low cost, particularly suited for simple parts with stringent accuracy requirements.
4 Axis CNC Milling Services
When your design involves multi-angle machining requirements, 4-axis milling delivers exceptional flexibility to handle complex geometries.
5 Axis CNC Milling Services
5-axis milling enables simultaneous machining from multiple angles, ensuring precision in every detail. It is the ideal choice for intricate and complex designs.
Our CNC Milling Services Capabilities
Baosheng is proud to be one of China’s top 10 precision CNC milling service providers. We are honored to offer our extensive machining capabilities to help turn your ideas into reality, from rapid prototyping to precision parts or tool manufacturing, and ultimately to full-scale production for end-use applications.
BaoSheng`s Flexible CNC Milling Solutions
Rapid Prototyping CNC Milling
Accelerate product development with our rapid CNC machining services. Deliver high-quality prototypes and molds with minimal lead times to effectively support design validation processes. Before full-scale production, leverage customized milling technology to rapidly produce high-precision functional prototypes and complex mechanical components, ensuring quality requirements are met across diverse application scenarios.
Low and High-Volume Production
We offer highly flexible milling services, capable of meeting your needs whether you require small-batch production or large-scale manufacturing. With stringent tolerance control and comprehensive machining capabilities, we ensure consistent, exceptional quality at any production volume.
CNC Machining for Prototyping to Production
Whether you require rapid machining, small-batch production, or high-volume manufacturing, BaoSheng delivers CNC machining solutions tailored to your project scale—consistently maintaining exceptional quality, precision, and fast turnaround times.
CNC Machining Materials
Baosheng’s CNC milling services offer diverse material options. Beyond plastics and metals, we can process various permissible materials and other custom materials according to your requirements, ensuring compliance with customer needs.
Metal
- Alloy
- Stainless steel
- Copper
- Magnesium
- Aluminium
- Brass
- Inconel
- Tool Steel
- Bronze
- Titanium
Plastics
- ABS
- PC
- PMMA (Acrylic)
- POM
- PA (Nylon)
- PE
- PEEK
- PP
- HDPE
- HIPS
- LDPE
- PBT
- PPA
- PAI
- PET
- PPS
- PS
- PVC
- PTFE (Teflon)
- UPE
- Bakelite
- FR-4
Other Materials
- Wood
- Glass
- Stone
Custom CNC Milling Surface Finishes
BaoSheng offers comprehensive custom CNC milling surface finishing services designed to enhance both the aesthetic appeal and functional performance of your components. As a critical step in the complete CNC machining process, our techniques effectively eliminate surface imperfections, providing options ranging from ultra-smooth polished finishes to custom textured profiles that transform your products.
| Surface Finishes | Description |
| Standard finish | Standard finish with a surface roughness of 1.6 μm (126 μin). |
| Smoothing | The standard smoothing surface roughness (Ra) is 0.8 μm (63 μin). |
| Painting | Spraying paint, pigment, or color to a solid surface as a colored protective layer. |
| Passivation | Remove ferrous contaminants or use a light coat of protective material to create a shell. |
| Powder Coating | A functional and decorative finish that is applied as a free-flowing, dry powder. |
| Anodizing | Type II (anodizing color or clear) or Type III (anodizing hard coat) |
| Polishing | Produce a smooth and shiny surface. |
| Black Oxide | Forming a black conversion coating on metal parts. |
| Bead Blasting | Removing surface deposits by applying fine glass beads at a high pressure. |
| Abrasive Blasting/Sandblasting | Smoothing and cleaning a hard surface by forcing solid particles across that surface. |
| Electroplating/Plating | Form a thin coherent metal coating on an electrode. |
| Brushing | Polishing the metal with grit resulting in a unidirectional satin finish. |
| Chromate Conversion Coating | Increase the corrosion resistance while maintaining conductive properties. |
Tolerances for CNC Milling
BaoSheng is committed to ensuring the precision of every component through strict milling tolerance standards. CNC-milled metal parts adhere to ISO 2768-m tolerance standards, while plastic parts follow ISO 2768-c standards.
| 3-Axis | 4-Axis | 5-Axis | |
|---|---|---|---|
| Maximum Part Size | 1000 x 500 x 500 mm | 1000 x 500 x 500 mm | 4000×1500×600 mm |
| Minimum Part Size | 5 x 5 x 5 mm | 5 x 5 x 5 mm | 5 x 5 x 5 mm |
| General Tolerances | ±0.1 mm | ±0.1 mm | ±0.05 mm |
| Lead Time | Delivery of simple parts can be as fast as 1 day. | 3 bussiness days for most projects. | 3 bussiness days for most projects. |
Advantages of CNC Milling
CNC milling provides several distinct advantages for modern manufacturing, offering a balance of precision, speed, and versatility that often outperforms alternative methods like 3D printing or injection molding.
- Exceptional precision: Strict tolerances as tight as ±0.008 mm, with metal part machining typically adhering to the ISO 2768-m standard.
- Superior surface quality: Delivers smooth finishes as fine as Ra 0.8 μm, ideal for subsequent painting or anodizing processes.
- Extensive Size Coverage: Processing range spans components from 0.05 mm to 6 m × 30 m.
- Multi-Axis Machining Capability: Precisely executes highly complex geometries through 3-axis, 4-axis, and 5-axis simultaneous technology.
- Rapid delivery: Ready as fast as 1 business day, with standard lead times of 1-3 business days.
- Cost-effective: This process offers significant cost advantages for parts featuring simple geometric features like holes and slots.
Applications of CNC Milling
CNC milling’s high precision and versatility make it a cornerstone for industries requiring complex geometries and exceptional accuracy.
- Aerospace: Manufacturing highly reliable aircraft structural components, engine assemblies, and mission-critical parts.
- Medical Devices: Producing high-precision surgical instruments, orthopedic implants, and precision laboratory hardware.
- Automotive Industry: Machining high-performance engine components, transmission parts, and functional prototypes for design validation.
- Electronics Industry: Customizing intricate aluminum alloy enclosures, efficient heat sinks, and high-conductivity precision connectors.
- Prototyping & Tooling: Rapid delivery of functional prototypes for design validation, alongside manufacturing high-quality industrial molds and fixtures.
FAQs
What Is CNC Milling And How Does It Work?
CNC milling is a subtractive manufacturing process that uses computer-programmed control to rotate cutting tools and remove material from a fixed workpiece.
Working Principle:
Clamping and Fixing: Securely lock the raw material (workpiece) onto the machine tool’s worktable.
High-Speed Cutting: The spindle drives the cutting tool to rotate at high speeds. Through coordinated horizontal and vertical movements, it precisely cuts the predefined shape and depth.
Multi-Axis Interpolation: Multi-axis machines enable tools to access complex surfaces from multiple angles, reducing re-clamping frequency while enhancing machining efficiency and precision.
Why Choose BaoSheng As Your CNC Milling Supplier?
BaoSheng Industry boasts 15 years of machining expertise and over 60 advanced CNC machines, specializing in precision manufacturing from rapid prototyping to high-volume production. Leveraging DFM support from seasoned engineers and rigorous quality control, we ensure parts delivery as fast as 1 business day (with most orders completed within 5 days), providing high-precision assurance for your design validation and mass production needs.
What precision does your CNC milling service have?
We offer high-precision tolerances, including tolerances less than ±0.01 millimeters. For customers with special requirements, we can provide ultimate precision of ±0.003.
What is 5-axis CNC machining?
Five-axis CNC machining builds upon the traditional three-axis linear motion of X, Y, and Z axes. Through the coordinated linkage of A-axis rotation and C-axis pivoting, the tool can approach the workpiece from virtually any angle, making it the core solution for achieving complex geometries and precision detail machining. This omnidirectional access capability enables continuous machining of multiple surfaces during a single setup. This not only significantly reduces production cycles but also effectively eliminates cumulative positioning errors caused by multiple setups, ensuring extremely stringent dimensional tolerances and surface consistency.
What types of materials do CNC mills use?
CNC milling demonstrates exceptional adaptability in material selection, spanning industries from aerospace to consumer electronics. Among metals, aluminum alloys, brass, and various steels are frequently machined, meeting diverse engineering requirements with their lightweight properties, excellent conductivity, or high strength respectively. Simultaneously, this process efficiently handles plastics like ABS, acrylic, polycarbonate (PC), and polypropylene (PP). These materials are highly favored for their machinability and diverse functional properties. This broad material compatibility makes CNC milling a highly versatile core tool in modern manufacturing.
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