What are the advantages of CNC milling?

CNC milling is a machining process that uses computer-controlled and cutting tools to selectively remove material from a workpiece and produce custom designed parts. A CNC milling machine has a worktable that can automatically move (or rotate) the workpiece on different planes so that cutting tools can machine on it.
Unlike manual lathes, the operation mode of CNC milling machines is to convert 3D CAD models into a set of computer instructions, which are then used to automatically indicate the actions and movements of the cutting tools.
What are the advantages of CNC milling?
1. Accuracy
One of the biggest advantages of using CNC milling machines is that they can manufacture parts completely according to specifications. Due to the reliance of CNC milling machines on computer instructions to manufacture parts, the possibility of human errors commonly encountered in manual machine operation is eliminated. This means that you can accurately create complex parts while achieving tolerances as low as 0.004 millimeters.
2. Fast and efficient
Traditional milling machines typically require operators to manually replace cutting tools based on the cutting operation to be performed. This is not only time-consuming, but also inefficient, as the final result depends on the operator's judgment.
The CNC milling machine is equipped with a rotating turntable that can accommodate up to 30 different cutting tools. These tools automatically change on the spindle during the machining process, allowing for fast and efficient cutting operations. With a CNC milling machine, you can prepare the parts in a few hours, while traditional methods may take several days (or weeks) to complete.
3. Multiple material options
CNC milling machines are compatible with various materials, including plastics, metals, and composite materials. As long as you have the material block, there is no problem with machining it with a CNC milling machine.