Magnet wire coil winder

myminifactory

Added a coil winder head that fits an M3 screw to hold coil cores. Update... As I used it with a little spool of wire, it was not very stable, so I added some blocks to fix the head to a board of plywood or something heavy enough to hold it still while winding... This is a simple coil winder with a holder for the main magnet wire spool. The coil holder is designed to fit the coils I make, but it is held by 4 screws and can be replaced with a different holder in a minute. It has a cam where a microswitch (the ones found on 3D printers) is installed for turns counting and a plate where I glued a calculator modified to be a counter. To build it, I used 1-meter long M5 threaded rod and some M5 nuts and washers, and 2 bearings 5x16x5mm for the turning axle. You can add bearings on the spool holder axles if you like, I prefer just an aluminum tube without bearings because it gives a bit of friction to hold the wire in tension. The axis holes in the parts that fit on the coil winder axle are shaped for M5 nuts so when everything is tightened, there is no need for set screws, and everything turns as a whole. The width of the assembly depends solely on the length of the threaded rods. 2 pieces of "Spalla.stl" 2 pieces of "Spalla interna.stl" 4 pieces of "Spessori.stl". The rest is one piece each.