Design Tips: Material |Wm Dudek Mfg

Typical Overbend Amounts

Here are some typical materials and degrees of overbend we begin our design with:
Cold Rolled Steel/ Soft Materials Rb 45-65	1 degree
Annealed Spring Steel Rb 65-80	3 degrees
Medium Temper ½ Hard Stainless Rc 30-35	5-7 degrees
Hard Temper Full Hard Stainless Rc 40-45	10 degrees

m-springback-large-r-ii

Material ½ Hard Stainless Wire
Original Design
- Tooling could not overform enough to close part to grip on 1.14 D mating part.
- Area of concern was the large radii between dimples
Modified Design
- Replaced large radii with a series of flats
Over 10 million pieces produced

m-springback-large-r-i-1