Description
Sample under test is pressed on a wheel, which is covered with abrasive coated paper or cloth. The sample slides under controlled load. The rubbing segment of the abrasion wheel is constantly replaced by lifting the wheel off the surface and turning it through an angle of 1.8 degree at the end of each complete to and for movement. This ensures a fresh abrasive surface every cycle. It takes 200 cycles to complete one revolution. After which fresh abrasive paper/cloth may be used if desired. The equipment is designed to accommodate vacuum facility to remove detached / loose debris from the sample surface during the test.

The equipment can be programmed to stop after preset number of cycles. The loss of weight of the sample after the test is measured. Test variables are load, number of cycles and abrasive grade and material.