Williams Optics RedCat51 electric focuser mounting hardware
thingiverse
This design is for mounting hardware I developed to incorporate my DIY electric focusing system to my Williams Optics RedCat51. The system is a custom design and does not use or interface with any commercial hardware or software. I am not going to cover any wiring or coding as this is being provided to assist others developing their own system and are wanting mounting options. The design is based around a NEMA17 stepper with 27:1 planetary gearbox fitted. The GT2 pulley on the RedCat51 is a 140 tooth design with 78mm bore. I have used a commercial 60 tooth GT2 pulley on the stepper (3D printed options are available) Other hardware required: qty1 NEMA17 - 17hs13-0404S-PG27 stepper qty 3 M3 grub screws qty 2 M6 x 25mm Cap screw (Allen Head) qty 2 M6 x25mm Bolts (hex head) qty 4 M6 nuts qty 1 RJ45 socket and breakout board qty 1 GT2 400mm closed belt
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