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Punching/Blanking Punching/Blanking Deep drawing Progression Die - - PowerPoint PPT Presentation
Punching/Blanking Punching/Blanking Deep drawing Progression Die - - PowerPoint PPT Presentation
Punching/Blanking Punching/Blanking Deep drawing Progression Die Sheet metal folding Two methods of folding sheet metal are - Vee bending - Wiping die V-Bending Sheet metal folding operations are carried out on a press brake. Bend
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SLIDE 3
Punching/Blanking
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Deep drawing
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Progression Die
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Sheet metal folding
Two methods of folding sheet metal are
- Vee bending
- Wiping die
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V-Bending
Sheet metal folding operations are carried out on a
press brake.
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Bend allowance
The bend allowance determines the amount of
material taken up to form the bend. A number methods exist
- K Factor
- Bend Table
- Bend allowance
- Bend deduction
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Sample bend calculation
Below demonstrates the
effect of neutral axis location (k factor) on the folded component.
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Minimum Bend Radius
Some material bend
mores easily than
- thers. Shown below is
the min bend radius for different materials
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Spring back
When metal forming spring back must be taken
into account.
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