When calculating the outside offset use the included bend angle. Outside Offset (OSOS) – The measurement from the surface of the outside radius to the apex of the outside mold lines. ![]() Inside Mold Line (IML) – A line that runs parallel to the inside of the workpiece.Outside Mold Line (OML) – A line that runs parallel to the outside of the workpiece.Inside Setback (ISSB) – Distance between the inside tangent points and the apex of the inside mold lines.Outside Setback (OSSB) – Distance between the outside tangent points and the apex of the outside mold lines.Outside Radius (OR) – The final formed outside radius after spring back has occurred.Inside Radius (IR) – The final formed inside radius after spring back has occurred.Y-Factor (Y) – A constant based off of the K-Factor used by Pro-Engineer in place of a K-Factor.K-Factor (K) – The ratio of the position of the Neutral Axis to the Material Thickness.Bend Angle (BMaterial Thickness (MT) – The gauge of the material in decimal form.Bend Deduction (BD) – The amount removed from the sum of the two flange lengths to obtain a flat pattern.Bend Allowance (BA) – The amount of added to the sum of the two leg lengths to obtain the flat pattern length.
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