The hardness of the grinding wheel and abrasive tools needs to be measured. Therefore, the following details should be paid attention to when performing these aspects. Improper handling of each detail will cause the result to be distorted. Therefore, in the subsequent measurement, we should pay attention to measuring the grinding wheel and All aspects of abrasive hardness.
The hardness of the grinding disc is different, and the scope of application is also very different. Therefore, before use, we should determine the hardness of the grinding wheel. The hardness of some resin grinding wheels differs greatly from other products. During the measurement, the grinding wheel and the abrasive tool contact the surface of the material with a certain pressure, and the resistance of the material in the deformation process is measured.
The Rockwell hardness tester is also the same, which is expressed by the plastic thickening of the compressed material under the action of the indenter (diamond cone or hardened steel ball) under load (including preload and main load). Generally, the deeper the pressed material, the softer the material, and the lower the pressing concentration, the harder the material.
In addition, according to the experience of the grinding wheel factory, the methods of measuring the hardness of the abrasive tools include the hand cone method, the mechanical cone method, the Rockwell hardness tester method and the sandblast hardness tester method. The Rockwell hardness tester method is the most commonly used one.
In short, from above
In the summary, we can see that it is very important to deal with every detail when measuring grinding wheels and abrasive tools. Every item in the measurement process is something we need to pay attention to, so we need to understand each item above.
