Dynaform

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Overview of
Incremental Analysis

Dynaform-PC is a special purpose analysis system for performing FEA simulations on "soft tooling" (CAD data, material specifications, and other engineering data) to determin if a die design will work successfully without any tearing or wrinkling of the part. Commonly referred to as "virtual die tryout", the system can prove-out a design before die steels are cut. Results are reduced manufacturing costs, reduced scrap, and faster deliveries.

Also referred to as " incremental simulation". the software considers all variables - the actual blank shape (with addendum surfaces), all die surfaces, constraints due to pilot positioning and strip attachment, lubrication, and material specs. So the results can be deadly accurate.

Components of the System

The Dynaform-PC software package is made up of an integrated pre-processor for preparing input data, an analysis engine (solver), and a post-processor for reviewing results. Die models (soft tooling) can either be constructed in a user's CAD system or developed within Dynaform from part data using Dynaform's Die Face Engineering module. LS-Dyna, the system's analysis engine, is an implicit and explicit solver that is used throughout the aerospace and automobile industries and is considered in the industry as the "benchmark" system for analysis accuracy.

What it Does

• Applications supported within the Dynaform Suite of products include:
• Tool Surface Modeling,
• Finite Element Mesh Generation,
• Draw Bead Force Prediction,
• Blank Development,
• Binder Wrap Analysis,
• Draw Die Simulation,
• Trimming Operation Simulation,
• Spring Back Simulation, and
• Multiple Stage Tooling Simulation.
• What It's All About

The purpose of Dynaform-PC is to analyze a die design and know that the die will work without the need to develop prototype tooling – before any steels are cut. In fact, because the only investment is setup time and computer run time, the system opens the door for the consideration and evaluation of multiple die design alternatives. Dramatic cost savings can be realized when it is determined a progressive die can be built with fewer stations.