• ascnc@asianstarcnc.com

Mastering the Art of the 4-Axis CNC Turning Codes

The world of CNC (Computer Numeric Control) is a fascinating frontier that combines the mechanical capacity of machine tools with the finesse of computer programming. One area that offers significant interest is 4-axis CNC machines. They provide superior operational efficiency that is essential in various sectors such as automotive, aerospace, architecture, and medical. The power to harness these machines depends on the effective understanding and application of CNC turning codes.

The Basics of 4-Axis CNC

Different CNC machines have different operating parameters based on their design, but some general features come to play in CNC programming. For 4-Axis CNC turning, the axes of motion are along the X, Y, Z, and a rotational axis, often identified as A.

These machines allow the workpiece to be manipulated along these four axes, thereby permitting more complex designs. A critical part of handling these machines is the comprehension of turning codes, an essential language for creating precise and intricate designs on workpieces with the CNC machine.

Introduction to CNC Turning Codes

CNC turning codes, also known as G-codes, are the backbone of CNC turning operations. G-code is a language that assigns specific instructions for machine movements, turnings, facings, threading, drilling, and more. These codes standardize the complete process of CNC machine operation, resulting in efficient programming and remarkable precision.

An Overview of Common G-codes

Below is an overview of commonly used G-codes in a 4-axis CNC turning machine:

G00: Generally signifies rapid positioning.

G01: This code is used for linear interpolation, resulting in a straight line movement.

G02: Circular interpolation in the clockwise direction.

G03: Circular interpolation in the counter-clockwise direction.

The 4-Axis Advantage

The use of a 4-axis CNC turning machine can be pivotal for advanced production tasks. The 4th axis greatly enhances the capability and precision of the machinery, allowing it to produce exceptionally complicated parts with great detail and consistency. It is not just about being able to handle more complex operations, but also providing a level of precision that significantly enhances product quality and overall manufacturing productivity.

G-Codes in 4-Axis CNC Turning

A vital thing to remember while dealing with 4-axis CNC turning is that its power lies in its ability to perform complex operations. The more familiar one is with the G-codes, the more complex is the project that one can take on.

Some of the G-codes that take on an even greater role in 4-axis turning include:

G73: High-speed drilling.

G90: Absolute programming, where you assign a value that is always relative to the zero point.

G91: Incremental programming, where each value is relative to the last point of reference.

G94: Fixed cycle for simple drilling.

Exploring the Potential

4-Axis CNC turning, backed by the powerful language of G-codes, has immense potential. From improving manufacturing efficiency to breaking barriers in design complexity, the effective use of turning codes can aid in mastering the art of 4-axis CNC turning.

The beauty of 4-axis CNC turning codes lies in their potential to lift CNC operations from the realms of rigid linearity to versatile creativity. By harnessing this potential, the doors to advanced manufacturing intricacy are thrown wide open. With this knowledge at hand, there are no limits to what can be achieved in the world of computerized manufacturing.

4axis cnc turning codes

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

  • Q2.Do You Have Stock
  • Q3.What Is Your Production Capacity?
  • Q4.Where Is Your Factory?
  • Q5.Can You Provide Samples?
  • Q6.How About Your After-sales Service?
Get The Best Quotes Now