ADVANCING DEVICE FOR GENERATING A SECONDARY ADVANCING MOVEMENT OF A TOOL
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United States of America Patent
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Issued Date -
Aug 25, 2016
app pub date -
Aug 28, 2014
filing date -
Oct 11, 2013
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Abstract
A device for producing a non-cylindrical inner surface of a bore having machining tools arranged along the bore's circumference and can be radially advanced towards the bore's inner surface includes a primary advancing system having an axially movable advancing rod for actuating the machining tools, thus exerting a primary force onto a machining tool, which is radially advanceable towards the bore by the primary force, which is dynamically superimposed with a secondary force generated by a secondary advancing system that forms an integral unit together with the primary advancing system or can be constructed in a modular manner. The secondary advancing system activates dependent on a current rotational movement and/or a stroke movement of the primary advancing system, a current tool position, or a specified advancing force, or the secondary advancing system activates at a specified time. In the process, the tool is already widened by the primary advancement.
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