In solidworks this is achieved by selecting the relevant bend allowance options in the sheet metal tool.
Multiple bend allowance on sheet metal solidworks.
Bend allowance and bend deduction calculations are methods you can choose to determine the flat length of sheet stock to give the desired dimension of the bent part.
When working in sheet metal we need to be able take a folded sheet flatten it and have an accurate size flat pattern.
Understanding the bend allowance and consequently the bend deduction of a part is a crucial first step to understanding how sheet metal parts are fabricated.
Under sheet metal gauges select use gauge table and select a table.
Bend allowance and k factor.
Ba bend allowance.
You can also specify k factor values in their own k factor bend tables.
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In the featuremanager design tree right click sheet metal and click edit feature.
You can specify the bend allowance or bend deduction values for a sheet metal part in a bend table.
Bend allowance and bend deduction calculations are methods you can choose to determine the flat length of sheet stock to give the desired dimension of the bent part.
The three main options that you will select between are.
When the sheet metal is put through the process of bending the metal around the bend is deformed and stretched.
The bend allowance region is shown in green in my diagram this is a region wherein theory all deformation occurs during the bending process.
As this happens you gain a small amount of total length in your part.
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The total length of the flatten sheet is equal to the sum of l1 that s the first length and l2 plus the bend allowance.
You can specify an explicit bend allowance or bend deduction for any sheet metal bend by entering the value when you create the bend.
You can specify an explicit bend allowance or bend deduction for any sheet metal bend by entering the value when you create the bend.