The part on the right has the hole too close to the bend and will get deformed. Thus, the hole is far enough from the bend for an optimal result. The flange on the left is designed according to the rules in the bending table. Holes should be farther than the minimum recommended flange length. Holes close to the bend may get deformed. The danger with such parts is that the shorter part of the flange may get deformed during the bending operation. If the flange has a chamfer, the shortest side should be considered as flange length. The inside radius is too small compared to the material thickness. Therefore, we can give an automated quote for that. The radius for the part on the left has been chosen according to the bending table. It is visibly clear that it is not possible to bend the part on the right. Recommended Minimum Flange Length and Inner Radius Metal folding chartĪccording to every sheet thickness, there’s a suitable inner radius and flange length when bending sheet metal. STP FilesĬonvert your CAD models to STP before uploading them onto Fractory’s platform for instant manufacturing quotes. DXF drawings only work for instant cutting price quotations.įor creating your CAD models, we have compiled a list of free CAD software. STP CAD models can be used for both cutting and bending. Fractory gives instant prices for STP and DXF files.
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