Outside Dimensions for non-90° Sheet Metal bends in SOLIDWORKS
Summary
Fortunately, there are some time-saving tricks in SOLIDWORKS: For this we want to measure the OD from the thickness face created by the punch/shear/cutter to the tangent arc of the bend, just like would be done with calipers (see picture below). This saves the step of having to adjust the dimension afterward in Dimension Properties > Leaders > Arc Condition Although it is a challenge to measure the OD physically with any accuracy using calipers, due to the virtual sharp being located off the part (see pictures below), we can still dimension it in the drawing and use it in calculating the flat pattern length. • Start the dimension from the thickness face created by the punch/shear/cutter • Right-click one of the flange edges > Find Intersection • Left-click the other edge flange to complete the Find Intersection Note that a virtual sharp is created. When generating an OD between two adjacent non-90° bends, one more trick is needed to ensure that the dimension is taken parallel to the flange face, rather than projected or skewed in some way. This locates the endpoint in exactly the same position as the virtual sharp would be, ensuring that the OD measures the correct distance.
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