How Stemnut MD Tool Works

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Stemnut MD "US Patent 10739123"

1.  The stem nut is designed to be the sacrificial component and it is assumed that all the wear will be on the stem nut threads.

2.  Free stem nut rotation increases with thread wear.

3.  Stemnut MD accurately correlates the rotational free-play (backlash) between the stem and stem nut threads to percent wear.

4.  Below is the Excel report sheet used for calculating stem nut thread wear.

5.  This report sheet is also used to trend stem nut thread wear and, based on the user-determined percent wear, the projected replacement date will be calculated.

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