Method for leveling parts in a roller leveling machine
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United States of America Patent
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Jul 29, 2014
Grant Date -
Jun 16, 2011
app pub date -
Jul 10, 2009
filing date -
Jul 10, 2008
priority date (Note) -
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Abstract
A method for leveling parts in a roller leveling machine, which includes an upper and a lower roller frame, and in which upper and lower leveling rollers are each arranged in a separate leveling roller block, at least one of the leveling roller blocks being variable in its position and angle so that the leveling gap can be adjusted, wherein at least one leveling gap setting device is arranged at the infeed side and at the outfeed side of the leveling machine, and an automatic leveling gap control is provided to set the leveling gap. The method includes determining, for each leveling triangle of the roller leveling machine, an offset value based on the thickness, width, and bending moment of the part to be leveled and characteristics of the leveling machine including a max deflection of the roller frame, and readjusting a setting device of the leveling gap as a function of the leveling triangles mapped onto the part to be leveled as it moves through the leveling gap.
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