Preliminary notes. All of these are based on my not finding cheaper or easier substitutions. The threaded rods (and matching nuts) are probably a given, but I’ll need to think about the motors.
- https://www.pololu.com/product/2823/
- https://www.grainger.com/product/GRAINGER-APPROVED-1-4-28×3-ft-4RDC7
- https://www.grainger.com/product/FABORY-1-4-28-Hex-Nut-4FAZ8
- https://www.sparkfun.com/products/12211
I’m really on the fence about the motors. Assuming I don’t care about speed, within reason, the only real driving forces are a minimal amount of torque and overall price. By overall price I have to include not only the motor but controller and any encoder. Price is telling me to get some Chinese stepper motors off of Amazon, but that seems like a good way to have to replace some motors. I’ll have to continue looking at this.