I’m looking to build or buy a hot wire cutter I can attach to my robot arm. you have experience and parts. Please share! Thank you.
There’s not much to it. You need nichrome wire and some kind of a frame to keep the wire tight. The wire will lengthen as it heats up, so the frame needs to be able to account for the extra slack.
If you have two robots you can do some pretty nifty stuff Dual-Wielding Robot Carves 3D Shapes From Foam With Warped Wire | Hackaday
I have a big roll of nichrome wire if you need some