Transverse strut and method of forming a transverse strut
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United States of America Patent
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Dec 27, 2016
Grant Date -
Dec 25, 2014
app pub date -
Feb 1, 2013
filing date -
Feb 1, 2012
priority date (Note) -
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Abstract
A roll forming assembly for forming a transverse strut from a tube is provided. The roll forming assembly includes a heater, such as an induction heater, for heating a tube to a predetermined annealing temperature. Next, the tube is fed to a roll former, which includes a plurality of forming wheels to shape the tube into a transverse strut. Servo motors are operably coupled to the forming wheels for adjusting the positions of the forming wheels in a radial direction during the roll forming process to give the transverse strut a variable profile along its length. After the roll forming process is completed, the transverse strut is quenched so that its base material is given a predetermined microstructure.
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