Press Requirements: Servo Presses
Advanced High-Strength Steel (AHSS) forming challenges can lead to issues with the precision of part formation and stamping line productivity. The stamping industry is developing more advanced die designs as well as advanced manufacturing techniques to help reduce...
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AHSS Energy, Heat and Lubrication
Lubrication is an important input to almost every sheet metal forming operation. The lubricants have the following interactions with the forming process: 1. Control metal flow from the binder. 2. Redistribute strains over the punch. 3. Maximize/minimize the growth of...
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Effect of Friction and Lubrication in Sheet Metal Stamping
Friction and lubrication are important factors when trying to accurately simulate Advanced High-Strength Steel (AHSS) metal forming processes. In this blog post Dr. Johan Hol, Development Manager from TriboForm Engineering, describes frictional influences that are...
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Advanced High-Strength Steel Repairability
Contributed by David W. Anderson, Senior Director, Automotive Market and Long Products Program, Steel Market Development Institute, USA Introduction The introduction of Advanced High-Strength Steel (AHSS) to light vehicle body...
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Five Things To Look for in an Automotive LCA
Life Cycle Assessment (LCA) continues to gain traction as the preferred method for assessing the environmental impacts of a product, and we are seeing more and more automotive LCA studies, and claims or conclusions based on LCA, being published. Here are five things...
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Life Cycle Assessment: Why is it Important?
Life Cycle Assessment (LCA), and particularly vehicle product life cycle assessment, is a topic we are very passionate about here at WorldAutoSteel. So much so that we focus on LCA intensively for the entire month of October across all of our communications channels....
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Hot Forming Process: Direct and Indirect
As promised, in this blog we’ll review the Direct and Indirect Hot Forming processes. The goal of hot-forming is to achieve complex geometries and part consolidation at strength levels previously unimaginable, while minimizing springback and distortion. While several...
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Hot Forming Overview
Today many product designs tend to combine geometry complexity and part consolidation with the highest possible final strength steel required for in-service applications. Maximum part complexity usually requires superior stretchability as evidenced by high work...
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Straightening and Precision Levelling AHSS
The first operation when unwinding a coil is straightening to ensure flatness before further processing. There are two main types of equipment used to create a flat coil – a straightener and a precision leveller. In some respects, these two types of equipment are...
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Process Maintenance and Quality Control
AHSS applications are growing, where the high strength body components help meet crash requirements, and thinner sections achieve weight reduction for improved fuel economy and lower overall emissions. Both higher strength and thickness reduction contribute to lower...
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Localized Fracture vs. Generalized Fracture in Auto Stamping
To understand the difference between localized and global fractures, you must first understand strain gradients (see the article in our blog, AHSS Strain Hardening and Gradients). Gradients can result in highly concentrated strains (peak strain condition) that...
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Managing Springback
Compensating for material springback during the forming process can be challenging. During forming, stress is applied to the material making it conform to the die geometry. The material will strain or displace across the die geometry, which consists of complex shapes,...
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