SECOND HARMONIC RUNOUT SIMULATION HUB
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United States of America Patent
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Issued Date -
Aug 27, 2020
app pub date -
Aug 27, 2019
filing date -
Feb 27, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A second harmonic runout simulation hub includes an outer ring, an end plate and a clamping portion fixed to each other. The end plate is at one end of the outer ring, and the clamping portion is detachably fixed to the end plate. The clamping portion includes a first positioning hole for positioning and clamping. The first positioning hole is a cylindrical hole, and the cylindricity of the first positioning hole is smaller than a preset value. The outer circumference of the outer ring includes a measuring cylindrical surface having a preset axial length and a bus parallel to the axis of the first positioning hole, and the circular runout test values of the measuring cylindrical surface are preset second harmonic runout values.
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