Method to create bends in composite panels
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United States of America Patent
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Aug 7, 2012
Grant Date -
Apr 30, 2009
app pub date -
Oct 25, 2007
filing date -
Oct 25, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method for forming a bend in composite panel. In one advantageous embodiment, a method is used to form a bend in a composite panel. An angle and a radius bend are identified for the bend. A location of the bend in the composite panel is identified. A slot is cut having a curved flange in the composite panel at the identified location in a single pass through the composite panel with a tool, wherein the curved flange has a shape with a bend allowance width and a bend slot width. The bend allowance width is BA=2π*A/360, wherein BA is the bend allowance width, R is a corner radius, and A is a bend angle. The bend slot width is BS=BA−2K(R−T), wherein K is Tan(A/2) and T is a thickness of the composite panel. The composite panel with the slot is bent to form the bend.
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