The test specimen is subjected to two abrasive wheels with a predetermined load. An acceptable approach is used to measure the wear that was achieved after rotating the test specimen through a certain number of rotations (e.g. mass loss, volume loss, and change in optical properties).

The support disc for the test specimen must be flat and fastened to the motor shaft. No point on a 45 mm radius circle drawn on the disc’s horizontal surface may move vertically more than 0.05 mm from its mean position as the disc is rotated. The disc must rotate at 72 rev/min at 60 Hz and 60 rev/min at 50 Hz, and it must have a nominal diameter of 100 mm.

Two symmetrical arms that may freely oscillate over a horizontal axis are required to support the abrasive wheels. The wheels must be attached in a way that allows for unrestricted rotation, such as with ball bearings. The mounting bosses must be coaxial and placed in the test position so that their vertical projection into the plane of the test specimen support disc is 19,1 mm 0,1 mm from a parallel line passing through the axis of the disc.

NextGen’s Taber Abrasion Tester complies with ISO 9352 standard.

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