Operating CETR Wear Tester - End

Run program 'UMT', located on desktop

Select and open 'Semi-automatic Panel' from the taskbar shown

Select 'Carriage' tab. This tab controls the vertical translation.

'Velocity' determines the speed that the specimen holder moves at.

'Distance' determines the distance traveled every time the specimen holder moves

Once values for 'Velocity' and 'Distance' have been keyed in, press on 'Start' to move the specimen holder, i.e. each time it moves at 2mm and at speed of 5mm/s.

Be sure to tick the correct bullet, e.g. 'Up' for moving specimen holder upwards after end of experiment and 'Down' during preparation of experiment.

Move specimen holder further away from the disc, so as to allow easier removal of the specimen holder cap

Launch 'Viewer' from Desktop

Select the 'Open' tab from the taskbar as shown

Select Test file saved in location specified during start of experiment

Check the parameters 'Fx', 'Fz' and 'COF'

On the taskbar, click on 'Compress'

Next, click on 'Filter'

Input '20' to refine the graph

Last, click on 'Screen' to save the relevant graph data in your designated location

Switch off CETR Wear Tester (Switch, as shown, is at the back of the CETR Wear Tester

Unscrew and specimen holder cap, in a clockwise orientation

Ensure specimen holder cap is in an upright position while unscrewing. This prevents wear location from shifting

Screw in and tighten the specimen holder cap with a bolt to lock the specimen in its wear position

A screw driver acts as a lever at and helps remove the disc from the wear tester easily