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2024
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Test method for wear resistance of ball mill liner
Ball mill liner is a common wear-resistant material, and its wear-resistant performance can directly affect its service life and efficiency in the industrial production process. In order to evaluate the wear resistance of the ball mill liner, a series of tests and analyses are required.
Ball mill liner is a common wear-resistant material, and its wear-resistant performance can directly affect its service life and efficiency in the industrial production process. In order to evaluate the wear resistance of the ball mill liner, a series of tests and analyses are required. The following is an introduction to a common test method for wear resistance of ball mill linings.
First of all, the wear resistance test of the ball mill liner can be carried out by the method of wear test. The wear test is usually divided into dry grinding test and wet grinding test, and the appropriate test method can be selected according to the actual application conditions and requirements.
Dry grinding test refers to the wear test carried out under non-lubricated conditions, and the commonly used methods include sliding wear test, roller wear test and waist-shaped piece wear test. Sliding wear test is a common test method, in which the commonly used equipment is ball disc testing machine and ball disc testing machine. During the test, the ball mill liner was contacted with the grinding wheel or other wear agents and slid back and forth, and its wear resistance was evaluated by testing the wear amount of the sample.
Wet grinding test refers to the wear test under lubrication conditions, which simulates the actual use by adding appropriate lubricating medium. Commonly used wet grinding test methods include sliding wear test and immersion test. The sliding wear test is carried out under specific lubrication conditions. The immersion test can evaluate the wear resistance of the ball mill liner in different liquid media.
In addition to wear tests, hardness tests can also be used to evaluate the wear resistance of ball mill liners. The hardness test can be performed by equipment such as a Brinell hardness tester, a Rockwell hardness tester, or a Vickers hardness tester. Commonly used test methods include a static hardness test and a dynamic hardness test. The compressive strength and wear resistance were evaluated by testing the hardness values of the samples.
In addition, an abrasive impact test can also be performed to evaluate the wear resistance of the ball mill liner. Abrasive impact test is to simulate the wear mechanism in the actual use process, through the impact test to evaluate the impact wear resistance of the ball mill liner. Commonly used equipment is wear machine and impact testing machine.
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