Some Parts for my little Desktop Laser

thingiverse

These are the self-printed parts for my desktop mini CNC laser. You can find videos of it on my YouTube channel "Strömlinge" (https://www.youtube.com/watch?v=XMZmMNeDC00&list=PLwjmID2i2oDMFZPm8eRF3zVIv0paT8xPv). Details about electronics can be found in my blog https://stroemlinge.blogspot.com/. Unfortunately I can't give any support, but still a short explanation of how it works: All parts are printed with PETG because it has a little residual elasticity and does not break as quickly. You need aluminum profiles with 30x30mm and 20x20mm, as well as a number of slot nuts with ball and spring as well as mounting brackets. I always use the M5 thread and cylinder screws in different lengths. Furthermore, universal motor brackets (flat sheets) made of aluminum are required for Nema 17 and Nema 14 motors. All parts are screwed onto a 2 cm thick wooden plate. The X-axis consists of 6 mm shafts and is driven by an 18Nm Nema 14 motor. The frame consists of 30x30mm profiles. The shaft holders are not the same. There are A and B parts. The reason is that the holes for the shafts are not exactly centered. Each linear shaft is held by an A and a B part. It is mounted in such a way that, despite the motor bracket, there is still a small gap for fine adjustment. The distance is given by the slide. The slide is only fixed on the sliding bushes with cable ties. A retaining plate with union clips is available for fastening the laser. The pulley for the toothed belt consists of a sufficiently long screw, which is screwed so deep into the slot nut that everything is fixed. The correct distance between the roller and the profile is set with plastic disks. The fastening of the toothed belt on the slider is a bit tricky (pull the toothed belt through the guide and fix it with the small plastic part). The lens of the laser is about 8 cm above the table. The y-drive consists of a Nema 17 motor and 20x20 aluminum profiles and 8 mm linear shafts. The pulley is simply attached with a screw through the base plate. The ends of the toothed belts are simply pulled through the vertical gaps on the underside of the table, brought together in a loop and then fastened with cable ties. Then I simply glued the aluminum plate to the plastic slider with double-sided adhesive tape (mounting tape). I think if you look at the videos and photos you can recreate the device with the right tools and materials. However, you will still have to adjust a few things yourself. I lasered the mounting of the electronics out of plexiglass.