Nema 17 driven cartridge case feeder for an induction annealer- Updated 26 July

thingiverse

All files updated to address some minor stacking issues in the case hopper and to give more clearance on the cases in the feeder drum. The case feeder is designed to feed cases from .223 Rem through to 338 Lapua with a 4 position quick indexing feeder wheel. The quick index wheel is marked with the case sizes. Video of the feeder in action here: https://www.youtube.com/watch?v=uZ6f757Q61E&t=10s The components are all made to be able to be printed on the bed of a Prusa i3 MK3s (210 x 210mm). Only the main body needs a small area at the front supported while printing. The feeder is designed to use a Nema 17 stepper motor with a 5mm shaft. I designed this to use on my annealer, the stepper motor is driven by a MGNZ induction annealer board which provides automatic feeding using a closed loop stepper.The board, instructions and a parts list are available at https://www.mgnz-makes.com/ The case hopper is at a 45 degree angle and it drops the cases vertically. You'll also need: 4 x M3 countersunk head screws for the motor mount. 20 or so M4 x 16 button head screws to assemble the funnel and body to the tray. 2 x M5 x 20 button heads to mount the tray to the base. 4 x M6 screws to mount the base to whatever you fit the feeder to. 8 x 8mm x 3mm disc magnet to lock the indexing on the feeder wheel. 1 x Nema 17 stepper motor and a way to drive it. Edit: I have also added an alternate tray to mount a 12v DC geared motor if you don't want to use a stepper. The flange is to suit a generic 12v 60 RPM geared motor. There is an alternate hub to suit this motor's 6mm shaft. I have also uploaded files for a solenoid activated case dropper which will also work with the MGNZ board: https://www.thingiverse.com/thing:4916236