Elastic biasing element and encoder arrangement for precise control of force or torque
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United States of America Patent
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Jun 30, 2020
Grant Date -
Oct 5, 2017
app pub date -
Sep 4, 2015
filing date -
Sep 4, 2014
priority date (Note) -
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Abstract
An apparatus, system, and method using an elastic biasing element in combination with an encoder arrangement for precise control of force or torque applied to a moving object, is applied for controlling a feed force applied to an abrasive element of a bore finishing tool, to respond to changes in the feed force such as can arise from contact with a workpiece bore surface and variations therein, such as tapers, hourglass shapes, barrel shapes, and the like. The elastic biasing element can include a single or multiple springs in one or more sets, and the feed force can be selected to have a constant value or vary as a function of time, position, or other variables or conditions.
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