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CNC Machining Turning: A Comprehensive Guide for Manufacturers


Computer Numerical Control (CNC) machining turning is the modern technique for transforming a raw material such as metal, wood, or plastic into a final product by using a rotating cutting tool. This process is critical for manufacturers, as it aids in producing precise and complex parts while saving time and labor costs. In this blog post, we will delve into the world of CNC turning and discuss its advantages, equipment, and applications in the manufacturing industry.

Understanding CNC Turning

CNC turning is a subtractive manufacturing method that involves the process of removing material from a rotating workpiece using a cutting tool. This process is controlled by a computer, ensuring high accuracy and precision levels. The cutting tool follows a pre-programmed path designed using CAD/CAM software that enables smooth and exact turns, grooves, and shapes on the workpiece.

Advantages of CNC Turning

CNC turning offers several advantages over conventional methods:

1. Accuracy and Precision: CNC machines follow a pre-programmed path to ensure that every piece produced is consistent and precise.

2. Speed and Efficiency: CNC machines work at high speeds, cutting down production time and making the manufacturing process more efficient.

3. Flexibility: CNC machines can easily switch between different cutting tools, allowing for a wide range of shapes and designs to be produced.

4. Reduced labor costs: CNC turning requires minimal supervision, resulting in a reduction in labor costs.

5. Reliability: Due to its automated nature, CNC turning provides consistent results with virtually no errors.

Essential Equipment for CNC Turning

There are several crucial pieces of equipment needed for the CNC turning process:

1. CNC Lathe: The CNC lathe is the primary machine used in CNC turning. It holds the workpiece in place and rotates it while the cutting tool removes material. CNC lathes come in different sizes and types depending on the specific requirements of the manufacturing process.

2. Cutting Tools: Various cutting tools are required for different CNC turning operations, such as boring, threading, and grooving. These tools are typically made from carbide or high-speed steel materials.

3. Tool Holders: Tool holders secure cutting tools to the CNC lathe, ensuring they maintain proper alignment during the turning process.

4. Workholding devices: These components keep the workpiece in place during the CNC turning process. Common workholding devices include chucks, collets, and clamping fixtures.

5. CNC Control System: The CNC control system is responsible for interpreting and executing the programmed instructions, translating them into actions by the machine.

6. CAD/CAM Software: Computer-aided design (CAD) and computer-aided manufacturing (CAM) software are used to create and modify the CNC programs needed for accurate machining.

Applications of CNC Turning in the Manufacturing Industry

CNC turning is used in various industries for producing a wide range of parts, including:

1. Automotive: CNC turning is frequently used in the automotive industry for the production of engine components, such as pistons, crankshafts, bushings, and connecting rods.

2. Aerospace: The aerospace industry relies on CNC turning for manufacturing complex components, such as fuel system parts, landing gear components, and turbine blades.

3. Medical: In the medical field, CNC turning is employed in the creation of orthopedic implants, surgical instruments, and diagnostic equipment.

4. Electronics: The electronics industry utilizes CNC turning in the fabrication of components, such as heat sinks, connectors, and enclosures.

5. Oil and Gas: CNC turning is essential in the oil and gas industry for manufacturing specialized parts like drilling components, valves, and pipe fittings.

Advanced CNC Turning Techniques

Manufacturers are continually searching for new ways to improve their CNC turning capabilities, resulting in various advanced techniques:

1. Live Tooling: Live tooling allows for additional capabilities such as milling, drilling, and tapping to be performed on the CNC lathe, enabling more complex parts to be produced without having to transfer them to another machine.

2. High Precision Turning: Advanced CNC lathes and cutting tools enable the production of ultra-tight tolerances and intricate features, resulting in higher-quality parts.

3. Multi-axis Turning: Multi-axis CNC lathes are capable of performing multiple machining processes, such as turning, milling, and drilling simultaneously, decreasing production time and improving manufacturing efficiency.

4. Automation: Integrating robotics and automated material handling systems with CNC turning equipment accelerates production and reduces the need for manual labor.

As the manufacturing industry continues to evolve, CNC turning has become an indispensable process for creating complex and precise parts. By understanding and investing in the essential equipment and advanced techniques, manufacturers can benefit from the numerous advantages that CNC turning offers. Continued innovation in CNC technology will undoubtedly lead to even more efficient and high-quality production processes in the future.

cnc machining turning manufacturers

What is CNC Turning

CNC turning is a process that involves using computer numerical control (CNC) machines to shape and finish various materials, such as metals and plastics, into desired shapes and sizes.
This process is typically used in the manufacturing industry to produce precision parts and components for a wide range of applications, including automotive, automation, aerospace, medical, machinery, and industrial.

CNC Turning service

Asianstar Professional CNC Turning Service

Asianstar CNC turning Service offers precision machining for a wide range of materials, including metals, plastics, and composites. With high level facilities and skillful operators, we can produce high-quality parts with tight tolerances and intricate designs.

Our CNC turning capabilities allow us to produce parts with diameters ranging from 0.5 mm to 480mm and lengths up to 450mm. We offer both single and multi-axis turning, as well as live tooling options for added complexity and accuracy.

We use proven processes and quality control measures to ensure that every part we produce meets our clients' specifications and expectations.

Whether you need a single prototype or high-volume production runs, our CNC turning service can provide the precision and reliability you need to get your project completed on time and on budget.

CNC Turning service

Components Sizes of Asianstar CNC Turning Service

Unit (mm) Min Max
Out Diameter 0.5 480
Inner Diameter (Hole) 0.3 465
Length 1.0 450
Groove Diameter 0.4 above
Thread M1.2 above

Components Tolerance of Asianstar CNC Turning Service

Unit (mm) Tolerance according to sizes
Height Tolerance Diameter Size 0.5 to 3 3 to 6 6 to 30 30 to 120 120 to300 300 to480
Tolerance ±0.003 ±0.010 ±0.020 ±0.030 ±0.035 ±0.040
Length Tolerance Length Size 0.5 to 3 3 to 6 6 to 10 10 to 20 20 to 30 30 above
Tolerance ±0.010 ±0.020 ±0.250 ±0.250 ±0.030 ±0.035

Components shape and position tolerance of Asianstar CNC Turning Service

Tolerance Class followed Tolerance (mm)
Straightness and Flatness Verticality Symmetry
10 10 to 30 30 to 100 100 to 300 300 to 1000 1000 to 3000 to 100 100 to 300 300 to 1000 1000 to 3000 to 100 100 to 300 300 to 1000 1000 to 3000
H ±0.015 ±0.02 ±0.03 ±0.05 ±0.10 ±0.15 ±0.02 ±0.025 ±0.03 ±0.035 ±0.02 ±0.03 ±0.04 ±0.05

Capability of Asianstar CNC Turning Service

Type of Turning Machine Diameter Size (mm) Length Size (mm) Productivity (PCS/Month)
Auto Turning Machine Simple Turning Machine Multi Turning Machine Pin Turning Machine Min 0.5 Max 480 Min 1.0 Max 450 200’000/Item


Multiple Machining Processes

Multiple Machining Processes

Asianstar has various machining processes to support different types of components from client, we can choose the best suitable manufacturing solution to carry result in perfect performance and cheap cost

Flexible Custom Service

Flexible Custom Service

With skillful machining technologies, Asianstar is flexible to support clients on different materials and different structures of the components, we also flexible on the components quantities and even assembly

Create Designing for Clients

Create Designing for Clients

Not only producing according to clients drawings, Asianstar also propose the better designing to clients, supporting clients to buildup improved designing or even new generation components

Standard Procedures

Standard Procedures

Asianstar production, as experienced by many years, is strictly following internal Standard Operating Procedures, to make sure the production schedule is smooth and plans are well carried out well without accidents

Standard Procedures

Standard Procedures

Asianstar strictly controlling product quality by system. We start QC controlling from production plan once setting up, to production process by monitoring QC checking and until the final Inspection before packing

Fast Lead-Time Delivery

Fast Lead-Time Delivery

Asianstar strictly control the production processes, teams keep the plan moving ahead according to the procedures, we have internal time management schedule which mostly bring earlier lead-time of delivery

Asianstar: Professional CNC Machining Supplier

From year of 2005, Asianstar Company establish the CNC Machining Factory in Guangdong Province, China.
We mostly provide CNC Turning, Milling, Drilling, Grinding, and Multi Machining processes service on various materials.
With the Belief of becoming a key supplier in the supply-chain of Precision Components, we strictly control our product quality, keep high precision on our components production, buildup the whole-process QC System and submit the satisfaction for every order.
By long term development, we have buildup partnership with world-wide clients, supporting our partners in Designing, Optimizing, Producing and Testing on each type of components.


CNC Turning Service

CNC Turning Service

Our CNC Turning Service provides different sizes of roll shape work-pieces, the diameter range is from 0.5mm to 480mm, reaching tolerance +/-0.003mm.

CNC Milling Service

CNC Milling Service

Our milling machines and CNC centers are able to produce complicated structure part, five-axis devices produce multi-sides at one-time jag which bring high precision result

Sheet Metal Fabrication

Sheet Metal Fabrication

Our Sheet Metal Fabrication provides slicing, punching, bending, welding, painting and assembling for set products, unique tooling for each project to raise production efficiency

Aluminum Extrusion

Aluminum Extrusion

Our Aluminum Extrusion brings clients various shapes of aluminum parts, high efficiency for mass quantity, our precision extrusion mold control tolerance within 0.01mm

Forging Service

Forging Service

For some steel serious products, we apply Forging Service to make out their outer shape and them use CNC devices to start drilling, forming, rolling, cutting, etc.

Finishing Service

Finishing Service

Our Surface Finishing Service uses chemical or electro post-treatments after machining tasks are finished, normally includes Oxide, Anodizing, Passivation, E-Plating, Painting,etc.


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    Yes, we support ODM/OEM, we provide custom-made service for clients or even support clients on designing or improving

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