CNC Turning Services
Choose to produce high quality turned parts in China with high precision, fast delivery and more competitive prices!
- Tolerances down to ±0.002mm
- Delivery within 24 hours
- Specializing in complex geometries
Experience the Top CNC Turning Services from China
Every project is unique, and at Richconn, we offer customized CNC turning solutions tailored to your specific requirements. From prototype to production, we work closely with you to ensure your components meet exact specifications.
Customized Solutions
We specialize in providing tailored CNC turning services to match unique project specifications, ensuring that our clients receive parts that perfectly fit their needs.
High Precision and Accuracy
Our advanced CNC machines achieve precision up to ±0.002mm, ensuring every part meets the highest standards for accuracy and performance.
Rapid Turnaround
We understand the importance of deadlines. Our streamlined production processes enable us to deliver high-quality parts quickly, helping you stay on schedule.
Wide Range of Materials
Whether you need to manufacture parts from metals, plastics or specialty materials, our strong supply chain will find the right material for your application.
Competitive Pricing
We offer high-quality CNC turning services at competitive prices, providing exceptional value for your investment and helping you stay within budget.
Global Accessibility
With offices in Shenzhen and Hong Kong, and a strong global network, we are well-equipped to serve clients worldwide, ensuring smooth communication and seamless service.
Our CNC Turning Workshop
With over one hundred state-of-the-art CNC lathes, we efficiently handle a diverse range of projects. Our team of more than 100 experienced professionals excels in delivering parts that meet the most demanding specifications, even for complex geometries.
Advanced CNC Turning Equipment
Utilizing state-of-the-art turning equipment, we handle a wide range of production orders with ease.
Our CNC Turning Capabilities
Experience precision and reliability with Richconn’s CNC turning services. Our cutting-edge technology ensures exceptional quality for both plastic and metal components, delivering consistent results you can trust.
CNC Lathe Processing Range
| Part size limitations | Metric units | Imperial units |
|---|---|---|
| Minimum part diameter | 2.0 mm | 0.0625 in |
| Maximum part diameter | 20 mm | 0.75 in |
| Machining stroke (Z axis) | 1000 mm | 40 in |
| Minimum through hole diameter | 20 mm | 0.75 in |
| Minimum tolerance | ±0.003 mm | ±0.0001 in |
| Maximum Spindle Speed | 20000 rpm | - |
CNC Turning Tolerances
| Limits for nominal size | Plastics (ISO 2768- m) | Metals (ISO 2768- f) |
|---|---|---|
| 0.5mm~3mm | ±0.1mm | ±0.05mm |
| > 3mm~6mm | ±0.1mm | ±0.05mm |
| > 6mm~30mm | ±0.2mm | ±0.1mm |
| > 30mm~120mm | ±0.3mm | ±0.15mm |
| > 120mm~400mm | ±0.5mm | ±0.2mm |
| > 400mm~1000mm | ±0.8mm | ±0.3mm |
| > 1000mm~3000mm | ±1.2mm | ±0.5mm |
| > 2000mm~4000mm | ±2mm | - |
- We follow ISO 2768 standards for CNC machining.
Material Selection for CNC Turning
Whether you need components made from metals, plastics, or composites, our advanced machining capabilities and experienced team are ready to deliver.
CNC turning metal materials
| Aluminum (AL) | Stainless Steel (SUS/AISI) | Carbon Steel | Copper Alloy | Others |
|---|---|---|---|---|
| 1100 | 201 | 20# | H59 Brass | Nickel Alloy |
| 5052 | 303 | 45# | H62 Brass | Titanium Alloy |
| 5083 | 304 | P20 | T6 Red Copper | Magnesium Alloy |
| 6061 | 316 | 40CR | Beryllium Copper | |
| 6063 | 321 | GCR15 | ||
| 6082 | 416 | Q235 | ||
| 7075 | 420 | Q345 | ||
| 440 | Q355 | |||
| 630 | 1215 | |||
| 1216 |
CNC turning plastic materials
| Materials | Applications |
|---|---|
| Nylon (PA) | Used in textiles, automotive components, industrial machinery, and consumer goods. |
| Polypropylene (PP) | Used in packaging, labeling, textiles, automotive components, and reusable containers. |
| Polyether Ether Ketone (PEEK) | Used in aerospace, automotive, medical implants, and electronic components. |
| Polyurethane (PU) | Used in insulation, furniture, automotive interiors, footwear, and industrial components. |
| Teflon (PTFE) | Used in non-stick cookware, electrical insulation, seals, and gaskets. |
| Polyoxymethylene (POM) | Used in precision parts such as gears, bearings, and fasteners. |
| ABS (Acrylonitrile Butadiene Styrene) | Used in automotive parts, consumer electronics housings, and LEGO bricks. |
| Polyphenylene Sulfide (PPS) | Used in automotive parts, electrical components, and industrial applications. |
| Polycarbonate (PC) | Used in eyewear lenses, medical devices, automotive components, and protective gear. |
| Acrylic (PMMA) | Used in optical devices, signage, windows, and aquariums. |
| Bakelite (PF) | Used in electrical insulators, radio and telephone casings, and kitchenware. |
| Polyvinyl Chloride (PVC) | Used in pipes, cable insulation, flooring, and medical devices. |
Surface Finishing Options for CNC Turned Parts
Surface treatment methods for CNC turning parts are crucial for enhancing their performance, durability, and appearance. Here are some common surface treatment methods:
Anodizing
Enhances corrosion resistance, surface hardness, and provides a decorative finish. It is commonly used for aluminum parts.
Electroplating
Involves coating the part with a thin layer of metal, such as nickel, chrome, or gold, to improve appearance, corrosion resistance, and wear resistance.
Powder Coating
A dry finishing process that applies a powder to the surface, which is then cured under heat to form a hard, durable, and uniform finish. It is used for both protective and decorative purposes.
Passivation
A chemical treatment primarily for stainless steel that removes free iron from the surface, enhancing its corrosion resistance.
Polishing
A mechanical process that smooths the surface to achieve a reflective, shiny finish. It can also remove surface imperfections.
Sandblasting/Shot Blasting
Uses abrasive materials to clean and texture the surface, improving paint adhesion and providing a uniform matte finish.
Black Oxide Coating
A conversion coating for ferrous materials that provides mild corrosion resistance and an attractive black finish.
Heat Treatment
Processes like quenching, tempering, and annealing that alter the physical and mechanical properties of the material to improve hardness, strength, and toughness.
Laser Engraving/Marking
Uses laser technology to etch designs, logos, or text onto the surface of the part for identification or branding.
Our CNC Turning Additional Machining Processes
We offer these additional processes to ensure that our CNC turned parts meet the highest standards of quality, precision and functionality for your specific needs.
Threading and Tapping
Creating internal or external threads on turned parts.
Knurling
Producing a textured surface on cylindrical parts for better grip.
Grooving
Cutting grooves or recesses on the part for retaining rings, seals, or other purposes.
Parting and Cut-off
Separating completed parts from the raw material stock.
Boring
Enlarging or finishing internal diameters with high precision.
Drilling
Creating precise holes with various diameters and depths.
Reaming
Smoothing and finishing holes to achieve tight tolerances.
Center Drilling
Creating a small hole to serve as a starting point for further drilling or machining operations.
Precision and Quality Control of Turned Parts
Utilizing the latest in metrology equipment and techniques, we ensure that each part meets the highest standards of accuracy and reliability.
CMM
Optical Comparators
Height Gauges
CNC Turned Parts Gallery
Explore our gallery to see the precision and craftsmanship that go into every CNC turned part we produce.
Ready to Get Started on Your CNC Turning Quote?
Contact us today to learn more about our CNC turning services and how we can help you achieve your manufacturing goals.
- All information and uploads are secure and confidential.
A Comprehensive Guide to CNC Turning
Whether you’re a novice in the CNC industry or in search of a dependable CNC turning service, this guide is designed to provide you with a thorough and swift understanding of the entire CNC turning process. Our comprehensive guide helps you navigate the intricacies of the CNC machining industry, equipping you with essential knowledge to avoid common pitfalls and make well-informed decisions.
What is CNC Turning?
CNC turning is a subtractive manufacturing process that uses computer-controlled lathes to produce detailed, cylindrical parts and components. The workpiece, typically a metal or plastic rod, is secured in a chuck and rotated at high speeds. A cutting tool, controlled by a computer program, moves along multiple axes to shape the material into the desired form.
Benefits of CNC Turning
By being aware of these benefits, you can fully leverage the capabilities of CNC turning to optimize your manufacturing processes, improve product quality, and ultimately achieve greater success in your projects.
1. High Precision and Accuracy
The computerized controls ensure consistent quality and minimal deviation from design specifications, making them ideal for applications requiring tight tolerances.
2. Efficiency and Speed
The automation reduces the cycle time and increases the throughput, which is beneficial for both small and large production runs.
3. Repeatability
Once a CNC program is created, it can be used repeatedly to produce identical parts. This repeatability is crucial for maintaining consistency in production and ensuring each part meets the required specifications.
4. Versatility
CNC turning machines can handle a wide range of materials, including metals (aluminum, steel, brass, titanium), plastics, and composites. They can also produce complex geometries and intricate designs that would be difficult or impossible to achieve with manual turning.
5. Cost-Effectiveness
Despite the initial investment in CNC machinery, the long-term cost savings are significant. CNC turning reduces labor costs, minimizes material waste, and improves production efficiency, leading to overall cost reductions in manufacturing.
6. Advanced Capabilities
Modern CNC turning machines come equipped with advanced features such as live tooling, which allows for additional machining operations like milling, drilling, and tapping without the need for secondary machines or setups.
The Process of CNC Turning
At Richconn, we utilize state-of-the-art CNC turning machines to deliver high-quality custom parts that meet your exact specifications.
1. Design and Programming
- Design: The process begins with your part design, which is typically created using Computer-Aided Design (CAD) software. This digital blueprint includes all the necessary dimensions and specifications.
- Programming: The CAD file is then converted into a Computer-Aided Manufacturing (CAM) program. This program generates the tool paths and machine commands needed to produce the part. Our skilled engineers ensure the program is optimized for precision and efficiency.
2. Material Selection and Preparation
- Material Selection: We work with a wide range of materials, including metals like aluminum, steel, brass, and plastics. The choice of material depends on the part’s application and required properties.
- Preparation: The selected material, usually in the form of a rod or bar, is cut to the appropriate length and securely mounted on the CNC turning machine’s chuck.
3. Turning Operations
- Initial Setup: The CNC machine is calibrated, and the CAM program is loaded. Our technicians perform a test run to ensure everything is set correctly.
- Turning: The primary turning process begins with the machine’s spindle rotating the material at high speed. A cutting tool, mounted on a turret, moves along the material’s surface to remove excess material and shape the part.
- Facing: This initial step involves cutting across the end of the workpiece to create a flat surface.
- Rough Turning: The cutting tool removes large amounts of material to approximate the desired shape.
- Finish Turning: This step involves finer cuts to achieve the final dimensions and surface finish.
- Boring and Grooving: Depending on the design, additional operations like boring (enlarging holes) and grooving (creating narrow cuts) may be performed.
4. Quality Control
- Inspection: Throughout the turning process, our technicians use precision measurement tools to inspect the part. This ensures that the dimensions and tolerances meet the specifications.
- Adjustments: If any discrepancies are found, adjustments are made to the machine settings or the cutting program.
5. Finishing and Post-Processing
- Deburring: After turning, the part may have sharp edges or burrs that need to be removed. Deburring processes, such as tumbling or manual smoothing, are used to refine the part.
- Surface Treatment: Depending on your requirements, the part may undergo additional surface treatments like polishing, anodizing, or coating to enhance its appearance and performance.
6. Final Inspection and Delivery
- Final Inspection: A thorough final inspection ensures the part meets all quality standards and specifications.
- Packaging and Delivery: The completed parts are carefully packaged to prevent damage during transit and delivered to you on schedule.
Key Components of a CNC Lathe
CNC Lathe Bed
The bed of the CNC lathe is the foundation of the machine. It is a robust and rigid structure designed to support the headstock, tailstock, and carriage, ensuring precise alignment and stability during machining. The bed’s rigidity is crucial for maintaining accuracy and consistency in the machining process, as it minimizes vibrations and deflections.
Tailstock
The tailstock is situated on the opposite end of the headstock and can be moved along the bed. It supports the workpiece with a center, providing additional stability, especially for longer workpieces. The tailstock can also hold tools such as drills and reamers, allowing for a wider range of machining operations.
Chuck
The chuck is a clamping device attached to the main spindle of the headstock. It securely holds the workpiece in place during machining. There are different types of chucks, such as three-jaw chucks and collet chucks, each suitable for various shapes and sizes of workpieces. The chuck’s ability to firmly grip the workpiece is essential for precision machining.
Headstock
The headstock is located at one end of the lathe bed and contains the main spindle, which holds and rotates the workpiece. It also houses the speed control mechanisms and gears. The main spindle’s rotation speed can be precisely controlled to suit different machining operations, ensuring optimal cutting conditions for various materials.
Carriage
The carriage is a movable platform that supports and moves the cutting tool along the lathe bed. It includes several components:
- Cross Slide: Allows the cutting tool to move perpendicular to the axis of the lathe, enabling operations like facing and parting.
- Saddle: Moves along the bed parallel to the spindle axis, enabling longitudinal cutting operations.
- Tool Post: Holds the cutting tools in place and allows for quick tool changes.
Tool Turret
The tool turret is an indexing tool holder mounted on the carriage. It can hold multiple cutting tools, allowing for rapid tool changes during the machining process. The turret’s ability to quickly switch between tools enhances the lathe’s efficiency and versatility, enabling complex machining operations without manual intervention.
CNC Turning Application Industries
No matter the industry, Richconn offers customized CNC turning solutions to meet your unique requirements.
Aerospace
The aerospace industry demands components with exceptional precision and durability. CNC turning is instrumental in manufacturing critical parts such as engine components, landing gear parts, and intricate structural elements. The high standards of accuracy ensure that every piece meets stringent safety and performance requirements.
Automotive
From engine parts to transmission components, the automotive industry relies heavily on CNC turning. This technology enables the production of complex parts with tight tolerances, ensuring that vehicles run smoothly and efficiently. Plus, the ability to produce high volumes quickly makes CNC turning ideal for the automotive sector.
Medical
In the medical field, precision is non-negotiable. CNC turning is used to create surgical instruments, implants, and diagnostic devices. The materials used often include stainless steel, titanium, and various medical-grade plastics, all of which can be precisely machined to meet the strict standards of the healthcare industry.
Electronics
The electronics industry requires small, intricate components with precise specifications. CNC turning is perfect for producing parts such as connectors, housings, and various semiconductor components. The accuracy of CNC machining ensures that each piece fits perfectly within the overall design, maintaining the integrity of the electronic device.
Oil and Gas
For the oil and gas sector, components need to withstand harsh environments and extreme conditions. CNC turning produces robust parts like valves, couplings, and flanges. The ability to work with a variety of materials, including stainless steel and high-strength alloys, makes CNC turning a valuable asset in this industry.
Robotics
The robotics industry benefits from CNC turning’s ability to produce complex, precise parts. Whether it’s for joints, gears, or other mechanical components, CNC turning ensures that each piece fits together seamlessly, allowing for smooth operation and high performance of robotic systems.
Cost Analysis of CNC Turned Parts
Understanding the cost dynamics of CNC turned parts can help you make strategic decisions for your projects. For a detailed cost analysis and a personalized quote, please contact our team. We are here to assist you in finding the most cost-effective solutions for your manufacturing needs.
- Material cost
- Debugging cost (programming and parameter adjustment)
- Special tool cost (cost of forming tools with special shapes)
- Processing cost (processing time)
- Labor cost (including labor involved in debugging and normal production)
- Inspection cost (labor and special inspection tools required during processing and after processing)
- Post-processing cost (surface treatment, heat treatment, etc.)
- Packaging and transportation cost
Common Pitfalls in CNC Turning
Choosing a CNC turning service provider can be a critical decision for many businesses, and there are several common pitfalls that customers often encounter which can work against them.
1. Overlooking Provider's Expertise and Experience
- Impact: Can lead to subpar quality, longer turnaround times, and inefficiencies in the machining process.
- Solution: Verify the provider’s industry experience, past projects, and expertise in specific types of CNC turning.
2. Ignoring Quality Assurance Measures
- Impact: Results in receiving parts that do not meet specifications or have defects, leading to costly reworks and delays.
- Solution: Ensure the provider has robust quality assurance measures, including certifications like ISO 9001.
3. Choosing a provider based solely on the lowest cost.
- Impact: Often results in compromising on quality, service, and reliability.
- Solution: Balance cost with quality, reliability, and the provider’s reputation. Look for the best value rather than the lowest price.
4. Engaging with a provider that lacks clear and transparent communication channels.
- Impact: Misunderstandings and delays in project timelines, leading to increased stress and missed deadlines.
- Solution: Choose a provider that maintains clear communication, provides regular updates, and is transparent about their processes and timelines.
5. Overlooking the importance of post-processing services like finishing and inspection.
- Impact: Can result in receiving incomplete parts that require additional work, increasing costs and delays.
- Solution: Choose a provider that offers comprehensive post-processing services and can deliver parts ready for immediate use.
6. Not considering the provider’s geographic location and the logistics involved in shipping parts.
- Impact: Can result in higher shipping costs and longer delivery times.
- Solution: Consider the location of the provider and factor in shipping logistics to ensure timely and cost-effective delivery.
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