Ah cheers guys. Shafts are running true. I know the drive from the motor looks to wobble but that's just the washer on top of the pulley. The pulley and shaft run true.
These are built to handle dough ranging from 55% hydration and upwards, although it is possible they've been overloaded...
Hey folks. I'd be very grateful if you can shed some light on this for me. We have a brand of commercial spiral dough mixers from Italy that we work on. We seem to get bearings failing on the spiral quite regularly. There's no tensioner on the chain. It's basically tensioned by moving the spiral...