Engineering Porn

In part 13: Wiring up the operators control panel Add an upper limit switch for the Z axis Add a pneumatic strut to support the Z First machine movements and backlash testing DIY CNC Milling machine build. My objective for this project is to design and build a CNC milling machine without the need for any machining of the parts. Ordinarily, building a mill requires a much bigger mill to get the axis surfaces flat and parallel. By using aluminium tool plate (which is in theory premachined flat) and bolting the critical components rather than welding, it should be possible to avoid any machine work. After all, I m building a mill because I don t have one Linear rails and ball screws are the cheap Chinese 20mm style that you can find on eBay etc. Music Credits No Quarter TechnoAXE Not According To Plan TechnoAXE Broken Toys TechnoAXE Dro