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Unbend 
Access: Open this function from one of the following locations:
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Select Die Design > Forming Shapes > Unbend from the menu bar.
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Select Unbend from the following Die Design Guide: Die Process Design Guide (Forming).
Unbend and flatten specific areas of the die part along cylindrical and planar faces. The length of the original faces remain the same without any changes after the unbending result is achieved.
In the example picture below, the fixed face is marked in blue and the movable faces are marked in purple.
The original angle of the body is defined at 80 degrees. The thickness (T) is 10 and the K-Factor is 0.5. The radius of the cylindrical face is 35 and the radius of the neutral plane is 30, as shown below.
General Interaction
The following is the Feature Guide for Unbend.
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Tip:Required Step 1 
: Pick a reference (fixed) face.
Required Step 2 : Pick the cylindrical face(s).
Required Step 3 : Pick additional faces to be unbent or unpick some of the system selected faces, as required. Flip the material side (using the blue arrow) if required. Set the displayed parameters.
Detailed Interaction
See Options and Results.
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