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Mastering the Art of CNC Turning: A Deep Dive into CNC Turned Metal Parts

In the world of metal fabrication, Computer Numerical Control, or CNC, turning stands as a cutting-edge approach that's been revolutionizing the industry. This blog post will take a detailed exploration on how CNC turning reshapes the production of metal parts, and the benefits it brings to manufacturers and consumers alike.

Introduction to CNC Turning

CNC turning is a machining procedure wherein a cutting tool, typically a non-rotary tool bit, describes a helical toolpath by moving more or less linearly while the workpiece rotates around an axis.

Unveiling the Process

To better understand, let's break down the process.

During CNC turning, the metal workpiece is first clamped into the machine's spindle which is then rotated at varying speeds. The cutter moves along two axes of motion to allow precise dimensions to be met. This process may seem simple, but the perfection of the to-be-formed metal part depends on the expert programming of the tools and the precise speed of the spindle.

The Essential Role of CNC Programming

In CNC turning, a part's details are outlined in a digital program which dictates the actions of the machine. The language behind this programming is known as G-code, and it controls aspects such as feed rate, coordination, location, and speed.

Precision is key in CNC turning and the level of accuracy that can be achieved through these machines is impressive. In fact, some CNC lathes are capable of a positional accuracy of 0.002 mm, which is as thin as a strand of human hair!

The Many Faces of CNC Turned Metal Parts

Turned metal parts are everywhere in our world, embedded in various industries such as automobile, aircraft, electronics, medical devices, and even home appliances.

They are integral components of car engines, airplane hydraulics, electronic hardware, surgical instruments, and small everyday items like bolts and screws. Without CNC turning, our contemporary way of life, built around these products and services, would certainly falter.

The Benefits of CNC Turned Metal Parts

Accuracy, efficiency, versatility〞these words embody the core benefits of CNC turned metal parts.

Firstly, CNC turning allows extreme precision. With computer programming guiding the process, there is far less probability of human error, leading to impeccably accurate results.

In addition, CNC turning drastically improves efficiency. Once a program has been defined and tested, CNC machines can produce a high volume of parts with minimal supervision.

Lastly, CNC turning is immensely versatile. With the ability to process a variety of metals〞aluminum, brass, bronze, steel, stainless steel, and titanium to name a few〞CNC turning caters to virtually every industry.

Environmental Friendliness

Not only does CNC turning offer operational advantages, but it is also environmentally friendly. CNC machines are designed for "dry machining", which reduces the amount of oil and coolant needed in production. The end result is a cleaner process that respects both the environment and the bottom line.

A Glance Toward the Future

The future of CNC turning promises further innovation. With advancement in technologies like artificial intelligence and machine learning, opportunities for automation, efficiency, and precision are growing exponentially. As we continue to improve upon our current systems and processes, there's no telling what new frontiers we might cross in the world of CNC turned metal parts.

Every day, advancements in technology afford us opportunities to improve upon traditional methods. This is as true for CNC turning as it is for any other industry. As this fascinating world continues its march toward digital and technological integration, it's crucial to keep pace. After all, whether we realize it or not, CNC turned metal parts are integral to our daily lives〞and they're here to stay.

cnc turned metal parts

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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