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There are both CNC machines. CNC means computer numerical control, which means that CNC turning and CNC milling are both controlled by computer systems to guide the machining process.

What is the difference?

The two ways use different techniques to process components.
In CNC turning, it is often the material that rotates when machining, whereas CNC milling it is the tool that mills / drills in the material.

CNC milling is often used when making complex components from a metal block by milling away excess material, where CNC turning is commonly used for cylindrical components.

CNC Milling

The traditional CNC milling machines have 3 axes, where the milling tool can move in 3 directions.

The 3 axis machines have some limitations, but can perform most milling work, and you may have to manually turn the workpiece if you need to mill on both sides.

Multi-axis milling allows 4 or more axes, including rotation of the tool and work table. This adds an extra dimension of flexibility. 5-axis milling machines are the most common of these and are capable of creating pretty much anything that can be made with milling.

CNC Turning

As mentioned before, CNC lathes are used primarily for cylindrical components, such as shafts, special hollow tubes or other axially symmetrical part.

While 5-axis machining can also create cylindrical parts, turning is just more efficient and time cost for these machines is lower.

What we do at MSSP

When we receive a project from our clients, we discuss with the production manager and the engineer where the components should be machining and which machine is suitable for the project.

Factors affecting the choice of machines:

• Size
• Shape
• Complexity
• Volume