Abstract
This present experimental setup is about designing a low cost three axis Mini CNC plotter using stepper motor, Arduino microcontroller and motor control software. This present experimental plotter deals with a low cost CNC plotter which can be further modified into small - medium size or an open structure as per the requirement. The demand for Computer Numerical Control (CNC) plotter machines in educational institutions and laboratories are rapidly rising with the advancement of technology. Current investigation will present an affordable model of a CNC plotter machine which is able to draw different microstructural phase fraction identification layout for further FE analysis of multiphase steel, automotive layout and any other solid surface using simple algorithm. First of all, image file or text file is converted into G code using Inkscape software and then feed it to the machine using processing software. The microcontroller converts G-code into a set of machine language instruction to be sent to the motor driver of the CNC plotter. L293D Motor Shield accordingly instructs the stepper motor how to move, combine, and synchronize motions of stepper motor ends in a good image.
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