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Peter Ulintz Peter Ulintz
PMA Technical Consultant

Advances in Metal-Stamping Technology

August 26, 2024
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Metal-stamping technologies continue to advance and mature, but today this happens more rapidly than in the past. Some technologies are profoundly more complex, resulting in an ever-widening knowledge gap. If you plan to attend FABTECH Orlando in October, the metal-stamping technical sessions offer solutions for narrowing this gap.

Press Technology

Recent advancements in steel technology have led to the newest class of high-tensile-strength materials: advanced high-strength steel (AHSS). Except for the boron-based hot forming grades, these materials are designed to be cold-formed at room temperature in traditional stamping dies and press lines. Today’s third-generation AHSS materials—with tensile strengths equivalent to some hot-formed stampings but still possessing enough ductility to be cold-formed—surely will push existing press lines beyond their original capacity limits.

Servomechanical-press characteristics such as high torque availability at low speeds, and programmable stroke and speeds can help stampers form difficult materials. During FABTECH, David Diaz from Nidec Press & Automation will present The Science of Servo Presses, exploring the distinctive features of these presses in comparison to their traditional mechanical counterparts, and showcasing popular applications and motion profiles. Attend to gain insights into the nuanced dynamics between servomechanical and mechanical presses, enabling informed decision making in manufacturing processes.

Mechanical power presses are not the only machines taking advantage of servo-drive technology. Reduced energy requirements, high reproducibility and increased cost-effectiveness represent major benefits of servohydraulic-press technology. Stefan Hildebrandt from Maschinenfabrik Lauffer, in his presentation, explains how servohydraulic presses save more than just energy.

It has never been more important to understand your metal-stamping equipment and use it properly. As repair and replacement costs increase, benchmarking and planning can minimize unscheduled down time and increase bottom-line profits. Jeff Fredline, a consultant to the metal-stamping industry, offers solutions to solve common problems in his presentation, Take Control of Your Metal Stamping Equipment Condition and Costs.

And, Marc Decker from Automatic-Systeme Dreher GmbH provides insights into the future of press automation, including the impact of Industry 4.0 and artificial intelligence, in his presentation, Ready for the Future? A Look at Press Automation.

Part Quality

Implementation of an in-die part-measurement, die-adjustment and part-tracking system can result not only in 100% verification of critical part features, but also in significantly increased machine utilization and reduced scrap rates. Looking to integrate sensors and control systems to fulfill the accuracy and quality demands of today’s metal stampings? Then check out the presentation by James Barrett from Link Systems: In-Die Part Quality Monitoring and Automatic Tool Adjustments.

In addition, Jim Finnerty from Wintriss Controls Group will cover important aspects of implementing a die-protection program, as well as sensor selection and installation in his presentation, Sensors for Die Protection—Make Die Crashes a Thing of the Past.
Best practices for springback control—critical for dimensional compliance in metal stamping—have been accumulated diligently over decades and prove effective in managing dimensional compliance on mild steel and high-strength low-alloy stampings with little or no support from virtual-engineering tools. Today, newer grades of AHSS and aluminum alloys have upended this store of accepted best practices and collective wisdom. Kidambi Kannan from AutoForm Engineering will review the differences in behavior between various metal alloys (mild steels, AHSS and aluminum alloys), and how they influence springback outcomes in his presentation, Best Practices Towards Dimensional Compliance of Stamped Panels.

Die Design, Die Maintenance and Lubrication

FABTECH boasts several die-design presentations, including Engineering Principles for Progressive Dies, Evaluation of Progressive Die Strips, Deep Drawing Cylindrical and Box Shells, Progressive Die Problem Solving and Improving Die Maintenance Programs.

From manufacturing dies and maintaining tooling to troubleshooting production issues, metalworking fluids prove critical to achieving operational success. Steve Lowery and Chris Fletcher, from oelheld U.S., will discuss metalworking-fluid selection, management and cost-effectiveness in their presentation, Achieving World Class Toolroom Performance Using Metalworking Fluids.

Finally, no matter the accuracy of the machine or the precision of die design and build, the metal-stamping process will not live up to expectations without the safe and proper use of die lubricants. David Kinard from Tower Metalworking Fluids shares methods that he recommends when helping companies consolidate lubricants used in their stamping facilities in his presentation, Stamping Lubrication Consolidation with a Focus on Health and Safety. Attendees will discover performance pre-screening methods and activities that can be completed outside of the plant prior to testing on actual parts, thus saving valuable press time and material.

The time has come to narrow the knowledge gap. See you at FABTECH! MF

Industry-Related Terms: Alloys, Die, Drawing, Ductility, Form, Forming, Lines, Reproducibility, Scrap, Strips, Stroke, Torque, Forming
View Glossary of Metalforming Terms

 

See also: Wintriss Controls Group LLC, Link Systems, Tower Metalworking Fluids, Nidec Press & Automation, Automatic-Systeme Dreher GmbH

Technologies: Management

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