When conducting Taber wear test, the choice of test grinding wheel is very important, it will directly affect the accuracy and reliability of test results. In general, the following aspects need to be considered when selecting test grinding wheels:

Material selection: The material of the test grinding wheel should be similar to the material to be tested in order to better simulate the wear conditions in the actual use environment. For example, for the wear test of plastic materials, tungsten steel (Tungsten Carbide) or diamond (Diamond) grinding wheels with better wear resistance are usually selected; for the wear test of metal materials, steel grinding wheels with a certain hardness are usually selected.

Choice of hardness: The hardness of the test grinding wheel should match the hardness of the material to be tested, so as to better reflect the wear of the material in the actual use environment. Usually, the hardness of the test grinding wheel can be evaluated by the particle size on the surface of the grinding wheel, that is, the smaller the particles on the surface of the grinding wheel, the higher the hardness. For harder materials, a finer-grain wheel is usually selected; for softer materials, a coarser-grain wheel is usually selected.

Selection of surface roughness: The surface roughness of the test grinding wheel will also affect the accuracy and reliability of the test results, so it is necessary to select a test grinding wheel with an appropriate surface roughness. Typically, the roughness of the test wheel surface should match that of the material being tested in order to better simulate the wear conditions in the actual use environment.

Selection of wear mechanism: Different types of test grinding wheels have different wear mechanisms, so it is necessary to select a suitable test grinding wheel according to the characteristics and wear mechanism of the material to be tested. For example, for materials whose surface wear is mainly caused by abrasive grains, it is necessary to choose a grinding wheel with higher hardness; for materials whose surface wear is mainly caused by friction wear, it is necessary to choose a grinding wheel with lower hardness but smaller surface roughness; for surface wear For materials mainly worn by fatigue, it is necessary to select a grinding wheel with higher hardness and smaller particle size.

In short, the selection of a suitable test grinding wheel needs to comprehensively consider the characteristics of the material, the wear mechanism and the test requirements. When conducting the Taber wear test, it is necessary to select a suitable test grinding wheel according to the characteristics of the tested material and the wear mechanism, and conduct the test strictly in accordance with the test standards and instructions to ensure the accuracy and repeatability of the test results.