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CNC Machine Electronics Introduction
The electronics associated CNC Machines are extensive but briefly, the computer,
or control is the electronic brains of the CNC machine. The control can be a regular pc
like those we have at home or, it can be a propriatary computer specifically built to be
a CNC Controller.
The control sends the commands that result in the machine's servo motors positioning the axes accurately. This is monitered
through feedback devices that send back information such as axes position and velocity. Not only that but the controls are also capable
of compensating for the machine's positioning errors and other geometry errors.
Aside from controlling the machine's accuracy, CNC control's also send commands that turn the
coolant off and on, automatically changes tools, measures parts with a probing device,
and many other tasks. The control commands are dictated by a program that uses a specific programming language written for the task to perform. If the program is for machining a part, CAD/CAM software
specifically developed for creating CNC programs is commonly used. The software is used to draw the part and create the program.
Computer Numerical Control or CNC
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