Modifying a stepper motor by drilling a hole down its shaft ... keep the coil roller in contact with the paper. A real-time coil winding session starts at the 21:18 mark, and we’ve got to ...

But if you’ve ever built one, you know how tedious winding the secondary coil is. So [Krux] decided ... He’s even got a semi-flexible 3D printed motor coupler on the wire-guide axis, to ...

The exhibition for the coil winding, electric motor, transformer and generator industries, returns to its Berlin venue and is expected to attract more than 550 exhibitors and around 6,500 visitors.