) decrease of approximately in the rounded portion of the bend.
The official version is , which superseded the 2010 edition. It can be acquired through authorized distributors: DIN 6935 Cold Bending of Flat Rolled Steel - Modulus Metal Din 6935 Standard Pdf
Developed Length=a+b+vDeveloped Length equals a plus b plus v are the leg lengths, and is a . Opening Angle ( Compensating Value ( 0∘0 raised to the composed with power 90∘90 raised to the composed with power ) decrease of approximately in the rounded portion
Calculated using a specific formula involving radius, thickness, and a correction factor ( 90∘90 raised to the composed with power 165∘165 raised to the composed with power Opening Angle ( Compensating Value ( 0∘0 raised
For mechanical bending, the standard suggests a minimum leg length ( ) of approximately 4 times the bending radius ( ) to prevent defects. Thickness Reduction: It accounts for a material thickness (
The core utility of the DIN 6935 standard is its method for determining the unfolded length of a part using the formula:
Bending should ideally be carried out transverse (perpendicular) to the rolling direction of the steel to reduce the risk of cracking. Calculation of Developed Lengths