Linearway Rail Upgrade for corexy-type printers

thingiverse

WARNING As of now this Thing is incomplete. So don't print it now. It won't work. DISCLAIMER This Thing comes as it is. I'm not responsible for any damage, nor do i garantiue that this will work. INTRODUCTION This Thing is to upgrade the gantry of an 3D-Printer with linearguide rails and corexy mechanics. The 3D-Printer needs to be based around 20mm aluminium extrusion profiles. Also this thing does nothing to your z-axis. The BOM includes all required parts, some of which you can probably reuse from the base printer. I shot some linearguide Rails on ebay to upgrade my cheap chinese 3D-printer kit. Unfortunatetly i got the rails from different manufacturers. As the carriages differ from hiwin and PMI, you need to edit a few pieces if you go all hiwin or all PMI. And yes, i know that 15mm rails are just plain overkill. I decided to put the Y-rails underneath the aluminium profiles BOM see attached file SAFETY ADVISE I'll recommend to print all parts except the corner brackets with ABS, ASA or any other Filament that has some temperature resistance. The corner bracket (with integrated idler plates and motor mounts) can be printed with ABS as well, but the extra stiffness from PLA would be beneficial to your belt tension. Also you should use a bright color, i.e. white. Especially the parts close to your hotend can be damaged from the heat over time. The bright color ensures that you can easily recognize burnt parts before something ignites. If printed in black, you will have a hard time finding scorched spots. Before assembly make sure you cover any glas bed surface with a cardboard. Screws and tools will obey gravity and probably damage or break the bed surface.