The Bending Springback Rate Estimator Calculator is a practical engineering tool designed to estimate springback after sheet metal bending based on material properties, thickness, inside bend radius, bend angle, and forming method. It helps engineers calculate springback angle, springback rate, final unloaded angle, and approximate overbend compensation. The Bending Springback Rate Estimator Calculator is useful for press brake setup, sheet metal fabrication, tooling selection, bend angle optimization, and reducing trial-and-error during production.

Bending Springback Rate Estimator Calculator

Calculator Settings

Material

MPa
GPa
MPa
%

Geometry

mm
mm
1.00
°
°
°
°
°

Forming Process

Tooling

mm
mm
mm

Material Comparison

Compare 2–6 materials at the same thickness, radius, angle, and forming conditions.

Sensitivity Analysis

Results

Springback Index
Estimated Springback Angle (Δθ)
Springback Rate
Final Unloaded Angle
Required Overbend Angle
R/t Ratio
Springback Classification
Measured Springback (Δθ)
Calibrated Coefficient (C)

Springback vs R/t Ratio

Material Springback Comparison

Rank Material Sy E Sy/E R/t Index Δθ Rate Overbend