Installation and maintenance of unintentional grinding wheels
Publication Time:
2021-01-11
Centerless grinding wheel It is the most commonly used grinding tool in grinding. Due to the high quality and hardness of the grinding wheel, it has strong wear resistance. Correct installation and maintenance of the grinding wheel will effectively improve the grinding efficiency and service life of the grinding wheel. Next, the Xinya editor will introduce the installation and maintenance of the centerless grinding wheel.
Because the centerless grinding wheel is high-speed rotating, it is necessary to check whether the grinding wheel is broken by visual inspection and tapping sound before installation to prevent the grinding wheel from breaking during high-speed rotation. In addition, in order for the grinding wheel to work smoothly, it is necessary to balance the grinding wheel with a diameter greater than 125mm before installation. The balance test includes static balance and dynamic balance. Ordinary grinding wheel grinding wheels can be installed and used after passing the static balance test. Therefore, for the grinding wheels of high-precision grinding machines, dynamic balance testing must be carried out to reduce the impact of machine tool vibration on processing. 1-2mm thick elastic pad should be installed between the grinding wheel and the flange.
After the centerless grinding wheel has been working for a period of time, the abrasive grains gradually become dull, the gaps on the working surface of the grinding wheel are blocked, and the correct geometric rotation of the grinding wheel is destroyed. At this time, it is necessary to dress the grinding wheel to allow the dull abrasive grains to fall off and restore the grinding wheel. The cutting performance and shape accuracy of the chips. A common way to dress a grinding wheel is with a diamond pencil. When dressing the grinding wheel, a large amount of cutting fluid should be used for cleaning to prevent the diamond pencil from breaking due to a sharp increase in temperature.
Therefore, during the use of the centerless grinding wheel, the operator must close the installation and maintenance of the grinding wheel to ensure the normal use of the grinding wheel.
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