Product Manufacturing and Cost Estimating using CAD/CAE

Chapter 4

Sheet Metal Forming Simulation

Chapter Outline

4.1 Introduction

4.2 Fundamentals of Sheet Metal Forming

4.2.1 Sheet Forming Processes

Draw Forming

Stretch Forming

Sheet Hydroforming

4.2.2 Plane Stress and Material Properties

Stress–Strain Curve

Plane Stress Sheet Deformation

Material Anisotropy

4.2.3 Yield Criteria

Isotropic Yield Criteria

Anisotropic Yield Criteria

4.2.4 Forming Limit Diagram

4.2.5 Springback Analysis

4.2.6 Numerical Implementations

4.3 Process Planning and Tooling Design

4.3.1 One-Step Simulation for Formability Study

Blank Fitting and Blank Nesting

4.3.2 Die Design

Part Preparation

Binder Design

Addendum Design

Drawbead Design

4.3.3 Incremental Forming Analysis

4.3.4 Springback Analysis and Die Compensation

4.4 Commercial ...