Sheet Metal Bending Corner Relief
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Sheet metal bending corner relief. When you select a corner in the corners section the faces that define the corner are shown in the define corner section and the corner is highlighted in the graphics area. Creates a corner relief where two bends meet. The final bend radius will be. See an explanation of ironcad s unique design methodology.
This option is straight forward. However if you rework poor sheet metal parts you may find it useful to create corner and bend reliefs with the dedicated tools. Under corners click collect all corners to list all corners in the sheet metal body. When the option centered on bend lines is checked the center of the square and circular reliefs match the intersection of the bend lines fig.
Corner reliefs and junctions. Creates a corner relief where three bends meet at one common point. If you use the close 2 bend corner tool you can take the two corner types shown above and they will look like the closed corner shown below with the flat pattern to the right. Centered on bend lines option.
In general a minimum bend relief is equal to the material thickness plus the inside bend radius. Understanding ironcad s mehtodology compared to conventional systems. When you create a flange using the smflangeedge command adjacent to a bend edge a corner relief is created automatically in the corner where the three flanges meet. If it is ok for the metal to rip the minimum bend relief is zero.
Override sheet metal style settings for corner shape and relief. You can also specify the relief size and whether to apply auto mitering. You can specify the corner relief shape for a 2 or 3 bend corner. Ratio to thickness option.
This allows you to take either of the corner types mentioned above and close the gap between the flanges. One benefit of a bend relief is that it makes the part easier to produce. The model must have three bends where the bend lines meet exactly at one point. Corner fillets relief cuts.
Due to this elastic recovery it is necessary to over bend the sheet a precise amount to achieve the desired bend radius and bend angle. Sheet metal related searches. Corners give you another option with the close 2 bend corner tool. The corner tab lets you override default parameters in the sheet metal styles dialog box.
When bending a piece of sheet metal the residual stresses in the material will cause the sheet to springback slightly after the bending operation. Bend reliefs in sheet metal. Bend relief is provided at the end of bending edge in sheet metal design to avoid any crack tearing in the corner. To eliminate this a bend relief is added so the edge of the sheet metal is perpendicular to the bend.
For the obround relief the bend lines intersection meets at the center of the slot.