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CNC Machining - How Does It Work?

In the wrong hands, CNC machining can be disastrous. Although it is not a difficult machine to use, you need to know all of the technical details in order to use it safely and efficiently. There are different codes that must be used, and each code needs to be generated in relation to the metal, the pressings, and your wanted outcome.

Generating a Code

As mentioned above, you need codes when you are CNC machining. The machine is programmed using G and M codes. The G code tells the machine how to move; in other words, which turns and cuts to make. The M code tells the machine when to turn fluids on and off, as well as other extra devices that may be used.

In order to generate these codes, you will need to use a CAM (Computer Aided Machining) program. This is usually part of a CAD (Computer Aided Design) program, which will help you out. A CAD drafts parts into the computer to your exact specifications. This means that you will be able to see the design on the computer as you generate the code.

Loading the Code

This is usually a simple process. You can save your G and M codes from your computer onto a flash drive or a floppy drive, and transfer them to the CNC machine. Once the codes are loaded, the CNC machining becomes easy. It will just follow the directions it has been given.

Running the CNC Machine

Start the machine, and have fun! CNC machining from this point is really easy. You just press the start button, and make sure that the machine is following the design code. If it’s not, then stop the machine and double check the code is correct.

As you can see, CNC machining is a relatively easy process. The only issues are generally the codes. You need to know how to use CAD/CAM, or hire someone who does. They are very technical programs, and if you don’t know how to work them properly you could come unstuck. You could also find yourself sitting and staring at the screen for a long time wondering what to do next!

The Fine Blanking Group can help you out with this. We will give you all of the information you need, so that you know how to handle the machines. We will also be happy to answer any questions you may have, no matter how silly they may seem!


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