This device is located in metallurgical laboratory and is used for sanding and polishing.



The device has an input and an output for water and two rotating discs that rotate with speed of 750RPM.
The first disc is used for sanding (made from soft to hard) on mounted specimens.
The second disc is used for polishing samples and simultaneously uses Al2O3 dilution for polishing.


The follwing description shows how the device works:

There is a plastic plate on each rotating disc, so that after removing the plastic plate, we put sandpaper or polish if needed on the rotating disk and we put the metallic talc to hold them.

sanding or polishing is done at this stage.

There is a water tap on the device that is for discarding the chips of sample during sanding and its pressure is adjustable.