Homemade DIY CNC machine project

grabcad

Hey there guys!! I'm back with another project!!This is my old project i made 3 years ago as a school project and i wanted to share it with you. I uploaded a whole bunch of images that are actually the older version of my CNC before the upgrade ( i basically reduced the head weight and put in a better position all the motors) but in the 3D model you can find all the modifications i made recently. So basically this is a computer driven machine which can perform many jobs depending on the tool you mount on it. Since it is a belt driven machine it can't generate a lot of force , so forget about milling metals or even wood. It can become a plotter, a milling machine, a laser/plasma cutter... I used it as a plotter many times but recently i mounted a drill and i can mill styrofoam so than i can cast them and make alluminium models. The slides are common drawer slides and the belts are taken from old printers. I used 18 mm MDF. Now something about the electronics:i used bipolar motors from ebay which are driven by a homemade controller. You can find the schematic if you are interested on google under the name of "chimera". The controller simply takes the signals from the parallel port and amplifies them for the motors. I also added the possibility to use a laser (the DVD ones) and cut thru paper. I recently bought a converter to use the usb instead of the LPT port so now a can use my laptop. Here are some videos:here i basically explain how i make the code for it and a small example: https://www.youtube.com/watch?v=Rp6jm74sq_Yand here a rather long video but you can get the idea of what you can do with it as a plotter: https://www.youtube.com/watch?v=XMIOIu-s2hk&t=556sI don't have videos or images of the alluminium models i made this year but if many will request, i'll make a few pics. So this is everything i remember about it right now. If you are interested and want to ask something, please comment. Hope you guys enjoyed! See ya!!