College

When using a dial indicator to check the concentricity of a flywheel housing, during a single rotation of the flywheel, the reading on the positive side of the zero on the dial peaks at 0.003, while the reading on the negative side peaks at 0.006. What is the Total Indicator Reading (TIR)?

a. 0.003"
b. 0.006"
c. 0.009"
d. 0.018"

Answer :

Answer:

the TIRe for your flywheel housing concentricity check is 0.009".

Explanation:

Total Indicator Reading (TIRe) for concentricity or runout is the total difference between the maximum and minimum readings observed on the dial indicator during one full rotation. In your case, the readings are +0.003" and -0.006".

Here's how to calculate the TIRe:

Find the difference: Subtract the minimum reading from the maximum reading: 0.003 - (-0.006).

Calculate the TIRe: This gives you a total indicator reading of 0.003 + 0.006 = 0.009".

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