How CNC Manufacturing Is So Precise With Difficult Designs


CNC machines are some of the most powerful and versatile tools that you can use in a manufacturing environment. Here is how one works and some additional benefits they can provide.



A CNC, (or Computer Numerical Control), machine reads specific computer code that instructs it on how to perform. The programmer generally uses CAM software to deliver specific tool paths that the machine will follow. These paths will either be 2D or 3D model of the part that is intended on being built. Once the programming is completed, the program goes through a post processor which turns the CAM software into G Code. The G Code is what the CNC machine is capable of reading.


The G code is uploaded into the machine along with any raw materials, cutting tools, and holding tools that are needed. A machinist then starts the machine and places it into automatic mode.


The benefits of using CNC Manufacturing are many, here are just a few:

  1. The machine is fully capable of operating 24 hours a day throughout the year. In fact, it only needs to be turned off for infrequent maintenance. CNC machines are known to be very hardy and require little maintenance.
  2. The design that is programmed into the machine can be used to manufacture many pieces, all of which will look exactly the same. There will be no difference in the manufactured pieces whatsoever.
  3. It reduces the need to only have highly experienced workers working. Unlike manual lathes and milling machines, the CNC machine can even be operated by a beginning worker. This means that more work can be done even if there is not an engineer present.
  4. Since the machine is controlled by computer, it can be instantly updated by simply using software that installs the update with the click of a button.
  5. The software can be used to create "virtual" designs, so the manufacturer can see exactly what the piece will look like without the need for creating a prototype. This is a huge benefit when it comes to saving both time and money and can definitely benefit the bottom line of the company.

Training for the machine takes place entirely via software. The machine can be completely mastered by the trainee without ever laying their hands on the physical machine. This is a great option for avoiding potentially expensive training errors

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