Anet A8 - Z Endstop Fine Adjustment

thingiverse

Updates 30/07/2017 Uploaded a version with an even bigger hole around the Z motor shaft, making it completely usable for those who want to use plum couplers. The gap on the inner side is still present, but it's now easy to reach the couplers' setscrews with an allen wrench. Regarding the X motor piece, I've made it 2mm wider and slightly shorter in stroke, as there's no need for a 20+mm stroke for such precise movements. The holes are also moved upwards, because my 3mm glass sheet was almost at the end of its stroke. Additionally, I moved the vertical hole 3mm closer to the X motor front plate, so now it lines up almost perfectly with the endstop wheel. I recommend using a nylock nut at the bottom end of the bolt to increase contact area without printing too small parts. Pictures will be uploaded as soon as both pieces are assembled. This is a remix of Meermeneer Z Endstop Fine Adjustment for Anet A8, but I've made it even more rigid by adding all four holes to the stepper motor. The top part has been slightly enlarged, giving it some extra travel just enough to hold a 3mm borosilicate glass plate on the heated bed. For fine adjustment, use an M3x20mm allen bolt and for the stepper, use an M3x18mm bolt. You may need to drill a little bit for the fine adjustment bolt hole, so grab a pair of pliers and twist a 2.5mm diameter drill bit to remove some microns. Then just use mineral oil and fasten the bolt with the allen wrench. It could be modified to fit 1/8" bolts if you're in the US; just let me know via comment. There are minor changes between the version installed in my printer and the one available here, mostly reinforced corners and some chamfers. Print Settings: Printer: Anet A8 Rafts: No Supports: No Resolution: 0.2mm Infill: 20%