Answer :
Final answer:
The term used to describe the dial indicator variation for determining runout tolerances is FIM, or Feeler Indicator Measurement. Accurate measurement of runout tolerances is critical in engineering to ensure proper alignment and function of rotating machinery components. Understanding these terms helps in maintaining the efficiency and longevity of mechanical systems.
Explanation:
Understanding Dial Indicator Variation in Engineering
A term commonly used to describe the dial indicator variation for measuring runout tolerances is FIM, which stands for Feeler Indicator Measurement. This method is critical in ensuring that the machinery operates correctly without unnecessary vibrations due to misalignment, which can lead to premature wear or failure.
Runout tolerance refers to the allowable deviation of a rotating part from its desired position. Accurate measurement of this tolerance helps maintain the precision alignment of parts in machinery. Some common applications of runout measurement include the checking of shafts, gears, and other rotating components where performance is crucial.
Other Terms
To clarify the other options:
- B) VC: This often refers to Variability Control but is not specifically tied to runout measurement.
- C) RFS: This means Regardless of Feature Size, used in tolerance discussions but not specifically for runout.
- D) RMB: This stands for Reference Measurement Basis, which again does not relate directly to runout tolerance assessments.
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