Because bends stretch the metal features must stand away from bends to avoid distortion.
Design consideration for sheet metal parts.
A press brake creates a bend.
Minimum center to center distance between two holes in sheet.
Sheet metal fabrication is most economical when it uses configurations of universal tools rather than part specific.
In this blog we are going to focus on sheet metal design considerations such as material selection wall thickness bend radii bend allowance k factor bend reliefs manufacturing process cad platforms advantages limitations and finally ending with improvians take.
A useful convention is 4t four.
Sheet metal parts are known for their durability which makes them great for end use applications e g.
Parts used for low volume prototypes and high volume production runs are most cost effective due to large initial setup and material costs.
Sheet metal design guidelines.
Consider material and finishing options along with design elements like bends reliefs holes and slots when developing sheet metal components before diving into the details of sheet metal fabrication recognize a basic fact of all sheet metal parts.
19 design consideration in sheet metal machine design.
How to design good sheet metal parts hole slot distance from bend edge.
It has a significantly lower cost than machining cavities into metal blocks.