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Precision CNC Machining: A Comprehensive Guide to Turning Parts Manufacturing

The advent of Computer Numerical Control (CNC) technology has revolutionized the manufacturing industry, particularly when it comes to turning parts. CNC machining provides a more efficient and precise method for creating complex parts and components used in a wide variety of applications. In this blog post, we will delve into the world of precision CNC machining and explore its numerous advantages for turning parts manufacturing.

What is CNC Machining and How Does It Work?

CNC machining is an automated manufacturing process that uses computer-controlled machines to shape raw materials like metals, plastics, and composites into finished components. This process involves the use of specialized software and computer-aided design (CAD) programs to design the components. Once the design is complete, the software converts the CAD model into a series of instructions, known as G-code, which directs the CNC machine on how to move and manipulate the cutting tools.

CNC machines can perform various tasks such as milling, drilling, grinding, and turning, depending on the specific machine and its capabilities. In the context of turning parts, CNC turning centers or lathes are employed, which use a spinning workpiece and a stationary cutting tool to remove material and achieve the desired shape.

Benefits of CNC Machining in Turning Parts Manufacturing

There are numerous advantages to using CNC machining for turning parts manufacturing, including:

Enhanced Precision and Accuracy

CNC machines operate with a high level of precision, enabled by their computer-controlled systems. They can consistently produce complex geometries with tight tolerances, ensuring that each part is identical to the original design specifications.

Faster Production and Shorter Lead Times

CNC machines can significantly speed up the production process, as they can operate around the clock with minimal human intervention. Moreover, they can complete tasks with fewer errors, leading to less wasted material and reduced need for reworking.

Greater Flexibility

Thanks to the programmable nature of CNC machines, manufacturers can easily switch between different designs and production runs. Once the CNC program is created, it can be used repeatedly to produce the same parts, making it easy to scale up or down as needed.

Decreased Labor Costs

While CNC machines require skilled operators and programmers, the overall need for manual labor is reduced, which in turn lowers labor costs. In addition, the reduction in errors and rework leads to greater cost savings.

The CNC Turning Process and Its Applications

CNC turning involves spinning the workpiece at high speeds while the cutting tool moves along the desired path, removing material to create the intended shape. The cutting tool can either move parallel to the workpiece axis (longitudinal turning) or perpendicular to it (face turning). This versatility allows for the production of a wide range of shapes and sizes, from simple cylindrical components to more complex forms with intricate features.

CNC turning is used in various industries to manufacture parts and components, including:

Automotive:Gears, engine components, shafts, and axles

Aerospace:Turbine components, fuel system components, and landing gear parts

Medical:Surgical instruments, orthopedic implants, and diagnostic equipment

Electronics:Casings, connectors, and heat sinks

Materials Used in CNC Turning

CNC turning machines can work with a wide variety of materials, depending on the intended application and the machine's capabilities. Some common materials used in CNC turning include:

Metals:Aluminum, brass, copper, steel, and titanium are popular choices for metal components due to their strength, durability, and conductive properties.

Plastics:Polycarbonate, nylon, and acetal are often used for lightweight, corrosion-resistant, and cost-effective parts.

Composites:Carbon fiber and fiberglass are used to create parts with a high strength-to-weight ratio and increased temperature resistance.

Innovations in CNC Turning Technology

As the manufacturing industry continues to grow and evolve, technological advancements in CNC turning have emerged to drive further efficiencies and capabilities. Some of these innovations include:

Multi-tasking CNC machines:These machines can perform multiple operations, such as milling and turning, in a single setup, which reduces production time and costs.

Automation:Robotic arms or gantry systems can be used to automate loading and unloading of workpieces and tools, further streamlining the production process.

Data-driven manufacturing:The use of sensors and real-time data analysis allows manufacturers to monitor machine performance, identify potential issues, and optimize processes for maximum efficiency.

In summary, precision CNC machining has transformed the turning parts manufacturing landscape, offering numerous benefits in terms of precision, speed, flexibility, and cost savings. As technology continues to advance, we can expect CNC turning to play an increasingly critical role in producing high-quality components for industries worldwide.

cnc machinery turning parts manufacturer

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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