National Metal (Slider Bench mounted on Stepper Motor)

http://ingenuitydias.blogspot.com/2012/05/national-metal-steppermp4.html
Here Stepper motor is being used for driving the Slider bench in forward and backward direction.
You can see the technical assessment being done here-
National metal Grinder Machine Automation Project
You can see the technical assessment being done here-
National metal Grinder Machine Automation Project