STL file planetary gearbox for nema 23 motor ⚙️・Template to download and 3D print・Cults

4.6 (186) · € 18.00 · In Magazzino

Gearbox rate 4:1 with 3d printed pieces. Assembly. The motor shaft length for nema 23 model 23HS5628 is 27.5mm from front motor cover to the shaft end. The pieces that we need are: 1 piece 56.5mm x 6mm of diameter shaft, this is easy to get in aliexpress. 1 nut of 1/4 in, we need modify the center hole to 6mm. 3 pieces 1/8 in set screw to hold the shaft. 1 piece 1/8 thread tap drill. 4 pieces bolt 4 mm x 40 mm. 4 pieces bolt 4mm x 25mm. 4 pieces nut 4mm. 1 piece pession collar (inner diameter of 5mm). 1 piece 1mm flat washer. Out Shaft length (gearbox shaft): 30mm out of the cover. You need modify: The gearbox shaft. 1.- with a grinder sculp one of the shaft end to get that the cross section be like a D, depth 4.5mm. 2.- make a groove to place a pressure collar (26.5mm from the shaft end, D side). The nut. 1.- modify the center hole of the 1/4 in nut to 6mm. 2.- drill 3 hole of 7/64 in three faces of the nut, make a thread with the 1/8 thread tap drill. (This will be to insert the set screw to hold the shaft). The flat washer is to separate the 3d printed piece that hold the 3 satelit gear and the cover. If you print the satelit gear for needle roller bearing. Steel wire size = gauge 20 = 0.90mm of diameter. You need to make the needle rollers = 25 pieces for each bearing (X 3). measurements for each needle = Length = 9mm. Diameter = 0.90mm.