The standards for judging the quality of idlers are the following:
the radial Runout of the idler;
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3
Full Runout refers to the amount of Runout along the entire measured
surface when the part is continuously rotated around the reference axis.
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4
As many as three pyroclastic flows each day
were detected by the seismic network, and had Runout distances exceeding 5 km in the Buyuan drainage.
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Circular Runout is a condition where the rotating surface
on the part is within a limited measuring plane and remains in a fixed position relative to the reference axis.
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The round Runout tolerance is the maximum allowable variation
within the limited measurement range when the measured actual element rotates a full circle without axial movement around the reference axis.