search after accuracy robots

[GoRub]

Hi friends, I search after examples or videos or names of robots or machines that work in a very accurate scale something like one millimeter of accuracy or better accuracy, so if you know about a robot or machine that work very accuracy so I will glad if you can write this in this thread.

 

[embpic]

you will need steeper motor driver with having maximum microstepping for getting maximum resolution and use stepper motor of 0.9 degree instead of 1.8 degree.
which kinda of motor you are using you can even achieve this with DC motor also.