OSL Optron Systems Automatic Optical Polishing Machine Vacuum Seal w/ Adjustable Polishing Height Single Axis Machine
Used see photos.
Motors individually tested with power supply at 3.5 amps and 13 volts. Limit switches on the linear axis work well. Micrometers to adjust standoff height work well.
See video to watch it in action: youtube.com/watch?v=WtIcI3yR7Kg
