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Mastering Vertical CNC Turning for High-Precision Manufacturing

In the age of advanced technology, computer numerical control (CNC) machining has garnered widespread recognition for its speed, accuracy, and precision in producing components. Among various CNC machining techniques, vertical CNC turning serves as a staple in high-precision manufacturing. This blog post will explore the intricacies of vertical CNC turning, its applications, and the benefits that come with integrating it into production processes.

What is Vertical CNC Turning?

Vertical CNC turning is a machining process in which a cutting tool, typically controlled by a computer, removes material from a rotating workpiece in a vertical orientation. The process distinguishes itself from traditional turning, which involves a horizontal workpiece orientation, by offering improved stability, precision, and efficiency. Vertical CNC turning machines are known for their ability to handle large workpieces and produce highly accurate, consistent results.

Breaking Down the Vertical CNC Turning Process

The following steps outline the vertical CNC turning process:

1. Workpiece Preparation

Before commencing the turning process, the machinist mounts the workpiece securely on the vertical CNC lathe's chuck, ensuring its stability and zero-points throughout the machining operations.

2. Tool Setup

Next, the cutting tools are set up according to the component's design specification and material requirements. The machinist will choose the appropriate tooling, such as turning tools, drills, or milling cutters, to achieve the desired surface finish, shape, and dimensions.

3. Programming

The user programs the desired toolpath and cutting parameters into the machine's controller. The programming process often involves using CAM (computer-aided manufacturing) software to create NC (numerical control) programs. The CAM software generates the G-code, which provides the CNC machine with precise instructions for completing the task.

4. Machining Process

With the workpiece and tools in place, and the G-code program input, the vertical CNC turning process commences. Using the G-code as guidance, the cutting tool moves along the vertical axes to shape the workpiece according to the design's specifications.

Applications of Vertical CNC Turning

Vertical CNC turning finds use in various industries due to its versatility and ability to produce high-quality parts. Some common applications include:

Aerospace: Turbine components, aerospace fasteners, rotor housings, impellers, and landing gear components

Automotive: Drive shafts, axle housings, brake discs, engine components, and transmission parts

Energy: Power generation components, wind turbine flanges, and compressor parts

Medical: Prosthetic components, surgical instruments, and orthopedic implants

Benefits of Implementing Vertical CNC Turning

Incorporating vertical CNC turning into production processes can yield numerous benefits, such as:

High Precision and Accuracy

Vertical CNC turning machines are known for delivering tight tolerances and consistent quality. The computer-controlled process enables precise, repeatable cuts, making it ideal for producing high-precision parts.

Time and Cost Efficiency

With their automated nature, vertical CNC turning machines can reduce process times and labor costs. The ability to run without constant supervision allows machinists to focus on other tasks, leading to increased productivity.

Material Versatility

Vertical CNC turning has the capacity to work with a wide range of materials, including metals, plastics, composites, and ceramics. This versatility makes it a preferred choice for manufacturers that produce components for various industries.


The automated nature of vertical CNC turning allows manufacturers to scale production as needed to meet demand. By reducing setup times and enabling the machining of multiple parts, businesses can increase the overall capacity of their operations.

Key Considerations for Adopting Vertical CNC Turning

Before integrating vertical CNC turning into a production line, manufacturers should consider the following factors:

Machine requirements: Ensure that the CNC lathe can accommodate the desired workpiece dimensions and handle the required materials.

Tooling considerations: Invest in high-quality cutting tools and ensure they are suitable for the material and design specifications.

Operator training: Providing adequate training to operators is crucial in optimizing the vertical CNC turning process for maximum efficiency, safety, and precision.

Vertical CNC turning has become an essential technique in modern manufacturing. By applying the insights shared in this blog post, businesses can capitalize on the benefits of this technology and manufacture high-quality products, ensuring their success in a competitive marketplace.

vertical cnc turning

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.


  • Q1.Do you support ODM/OEM?

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

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