Page 4 - MetalForming April 2020

MetalForming
April 2020 | Volume 54 — Number 4
Fabrication
24 News & Technology
26 Ultra-High-Precision Laser Cutting–Pulse Length Matters
On the nanometer-feature scale, the shortest-pulse lasers cut with clean edges and without heat-affected zones. Find out why, and where their use makes the most sense.
30 Designing Laser-Cut Metal Parts
Here we present 16 expert tips for designing sheet metal parts for laser- beam cutting—inhouse or at a laser cutting shop—to ensure optimum speed, precision and affordability.
34 User-Friendly Press Brake Slashes Setups, Pushes Production
A small but extremely busy fabricator of three-point equipment for construction, landscaping and other markets benefits from the simple setups and ease of use offered by a new, 175-ton hydraulic press brake.
36 Aluminum Welding: Getting to the Basics
From understanding potential pitfalls to following best practices for pre-cleaning, equipment setup and more, each contributes to higher-quality welds and supports good productivity.
Cover Story
14 PMA–Who We Are, What We Are and Where We Are Going
“This year is a defining one for PMA,” says 2020 PMA board chairman Troy Turnbull. “Our president, David Klotz, has a clear vision of where we need to go as an organization, and I share his views.”
Features
20 Contract Stamper Invests in Servo
...with a clear eye on ROI based on higher throughput, improved dimensional repeatability, reduced die-debug time and reduced time and cost for die build and maintenance.
38 Third-Gen. AHSS Arrives in Automotive
Now entering the production realm and adding to a rapidly changing automotive landscape, these wonder materials enable new designs, and task metal formers and assemblers with forming and joining challenges.
Online
Inline and Near-Line Precision-Part Inspection
...provides confirmation of intricate part details, and minimizes scrap and rejected lots.
Commentaries
4 Editorial
Leadership, Particularly in Times of Crisis
Brad Kuvin
12 Tooling by Design
Understanding Horizontal Forces in Stamping Dies
Peter Ulintz
42 The Science of Forming
Coming Soon: AHSS Application Guidelines, Online and Updated
Daniel J. Schaeffler, Ph.D.
44 Cutting Edge
Digital Image Correlation:
How it Changed the Bulge Test Eren Billur, Ph.D.
Departments
News Fronts . . . . . . . . . . . . 6 Tech Update . . . . . . . . . . . . . 8 Materials & Coatings . . . . 10 Spotlight on PMA . . . . . . . 46 Classifieds . . . . . . . . . . . . . 47 Ad Index . . . . . . . . . . . . . . . 48
2 MetalForming/April 2020
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