How are the positive and negative values of shaft displacement in normal units named........
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As the title suggests.....................
In some units, the middle position is considered the zero point, with the main thrust direction being positive and the secondary thrust direction being negative. In some units, the main thrust is set at zero, with the direction of the main thrust being considered positive and the direction of the auxiliary thrust being negative. Either of these two methods works.
We will push it axially in both directions to the dead point, then take the middle as 0