Controlling in the CNC Machining Process
CNC control is the fourth step of the CNC machining process. After the design has been translated into machine language through G-Code, it is now time to put the G-Code and the instructions into motion.
The CNC control stage of the CNC machining process is broken down into three parts namely the CNC control computer, the CNC control software, and the CNC controller itself.
The first part of the CNC control stage in the CNC machining process is the CNC control computer. The CNC control computer doesn’t have to be the newest or fastest computer out there.
There are many CNC computers that are mere 386’s or 486’s. If you aren’t familiar with these 86’s then simply think of them as the computers of the mid nineties. They were the predecessors of the Pentium chips from Intel.
These CNC computers don’t have to be fast, as you see. It is more likely to run one program anyway. It won’t be the type of computer that has to multitask like Windows. The CNC control computer of the CNC machining process will basically be used to read the G-Code that was written in the CAM stage of the CNC machining process. One other thing that you have to put in mind is that the CNC control computer is going to be in a rugged environment.
Expect your CNC control computer to be covered in dust because they will be near your work environment. They are usually beside the machines that spew dirt and dust when products are being manufactured.
The CNC control computers for the CNC machining process will cost your around fifty to a thousand dollars depending on the computer. If you’re getting the low end, prehistoric computers then spare change in your pocket would do.
The CNC control software in the CNC machining process is the software that will read the G-Code program. You’ve got the hardware, now its time to get your hands on the software that will run your G-Code.
Some of the well-known CNC control software packages out there are the Mach 3 Artsoft, Turbo CNC, and the CNC Pro. The control software packages used in CNC machining are usually not so demanding when it comes to processor power and memory usage. Control software costs can range from totally free to about a thousand dollars.
There is freeware out there and there is the highly customized CNC control software. On a ballpark estimate, the average CNC control software used in CNC machining like the Mach 3 will cost you around one hundred fifty dollars.
The last part of the CNC controlling process is the CNC controller. The CNC Controller in the CNC machining process is the part that processes the commands from the control computer and the control software environment and then translates it into actual motion.
There are many types of CNC controllers out there. CNC controllers can vary in the numbers of axis options. They can vary in the number of accessories too. Some will usually come with motor kits and cables. Normally, CNC controllers are purchased but sometimes if you are computer savvy, you can make your own CNC controller for your CNC machining hobby. Otherwise, it is on the CNC controller where you’ll be spending your money.
Depending on the number of axis and additional accessories that come with it, you’ll be spending around five hundred to five thousand dollars.
Be prepared to burn your wallet on this kind of CNC machining equipment.
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