Page 602 - Subyek Computer Aided Design - [David Planchard] Engineering Design with SOLIDWORKS
P. 602
Top-Down and Sheet Metal Parts Engineering Design with SOLIDWORKS® 2018
Example:
T is the Material thickness.
Create a 90° bend with an inside radius of R:
L = Yz nR + 8T
The ratio between 8 and Tis called the K-factor. Let K = 0.41 for Aluminum:
K=8/T
8=KT=0.41T
L = Yz nR + 0. 41 T
U.S. Sheet metal shops use their own numbers.
Example:
One shop may use K = 0.41 for Aluminum, versus another shop that uses K = 0.45.
Use tables, manufacturer's specifications or experience.
Save design time and manufacturing time. Work with your Sheet Type and Size
~ ~~
metal shop to know their K-factor. Material and their equipment
produce different values. Build these values into the initial -
~ 10.00 Open
design.
~ O.lOmm
Where do you obtain the material required for the Bend? The
answer comes from the Sheet metal Flange position option. The
four options are Material Inside, Material Outside, Bend Outside
and Bend from Virtual Sharp.
Material Inside: The outside edge of the Flange coincides with
the fixed edge of the sheet metal feature.
Material Outside: The inside edge of
the Flange coincides with the fixed
edge of the sheet metal feature.
Bend Outside: The Flange is offset
by the bend radius.
Material Inside Material Outside Bend Outside
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