Analysis of the Causes of Bounce in Rubber Roller Operation
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A glazing machine that has been used for many years has been repaired and equipped with a new glazing rubber roller for trial operation. As a result, the rubber roller beats more severely and cannot be used.
What is the cause of the rubber roller running?
Some people think that the matching gap between the roller neck and the support sleeve of the rubber roller is too large or the cooperation between the bearing sleeve and the adjustable raceway surface is poor. Some people think that there is a quality defect in the rubber roller itself, which affects the normal operation of the rubber roller. . To this end, we tested and analyzed each mating surface and mating size of the support sleeve, and the results were normal. We also placed the rubber roller on the lathe to measure the round runout of the rubber roller and the diameter of multiple parts with a dial gauge. The measurement results show that the round runout and diameter tolerance of the rubber roller are within the range of the first grade. In this case, it seems that there is no problem with the size and assembly size of the glazing machine and this rubber roller.
So what is the reason for the rubber roller running?
We put an old rubber roller that has been worn out and scrapped on the glazing machine for trial operation. As a result, the old rubber roller runs smoothly without any big jump, which indicates that the main reason for the large beating of the new rubber roller is that The quality defects of the rubber roller itself. On this basis, we conducted in-depth understanding and analysis, and finally determined that the main reason for the new rubber roller to run in the run is that the rubber roller has mass eccentricity. If the mass eccentricity of the rubber roller is not eliminated in the roller, the imbalance force generated during the operation will inevitably cause the rubber roller to jump. Adopting the formal production process and quality control, the rubber roller should be ensured that there is no mass eccentricity defect in the process of making the rubber roller through the measures of calibration balance or school balance, so that it will not be generated due to imbalance during use. beat.