Answer :
Dial indicator measurements on shafts are used to measure runout, which is the deviation from a true circular rotation.
Runout is a common source of vibration and can cause performance issues in rotating machinery. By using a dial indicator, engineers can accurately measure the amount of runout present in a shaft. This information is crucial for ensuring proper alignment and balancing of rotating components, as well as identifying potential issues such as bent or misaligned shafts. Dial indicators provide a quantitative measurement of runout, allowing for precise adjustments and maintenance to minimize vibration and improve overall performance.
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