Author Archives: dannyeqs

​Mazda Uses 1300 MPa (190 ksi) Cold Stamped Steel

​The 2019 Mazda 3 uses 1300 MPa (190,000 psi) steel for the front pillar and roof rail inners; the hinge pillar, roof rail, and side sill inner reinforcements, and the No. 2 crossmember. This cold-stampable steel was jointly developed by … Continue reading

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​SpaceX Starship/BFR Rocket Materials

​​SpaceX will use 3XX stainless steel for their Starship and Super Heavy rocket booster due to better performance compared with carbon fiber over the spectrum of operating temperatures and conditions encountered. @ElonMusk shows he has more than just a passing … Continue reading

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​​Thinner​ is not always better

​​In the case of electrical steels, thinner sheets improves motor efficiency – crucial to meet the needs of hybrid/electric vehicles. But more laminations need to be stamped from this thinner metal to get to the same stator height. An article … Continue reading

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20,000 to be hired by 2023 at POSCO as part of US$40 billion investment

Automating a 3.52 million ton Gwangyang Steel Mill blast furnace, expanding production capability of their “Giga Steel” and establishing power generation facilities using byproduct gases will use almost 60% of the investment. Other funds will be devoted to secondary battery … Continue reading

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Servo Press Technology Articles at Metalforming Magazine

Servo press selection and usage articles are curated into a Top 10 list at Metal Forming Magazine. These articles will take you through the justification process by highlighting their benefits and what these presses offer above and beyond flywheel-driven presses. … Continue reading

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4M and EQS: 4Q 2018 Sheet Metal Industry News

4M and EQS publish a newsletter covering Sheet Metal Industry news. Info from 4Q2018 and how to sign up for future issues is given here. Continue reading

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Total Elongation in a Tensile Test May Not Be The Best Formability Indicator​ for AHSS

​Tensile test elongation is not the best way to assess formability of AHSS steel. ​In a tensile test, you are averaging deformation over a ​2 inch (or more) gauge length. ​SSAB just published a good article on this, and coincidentally, … Continue reading

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​Made it to the “Top 5 in 365” list at TheFabricator.com!

The “Top 5 in 365” list of the five most-popular stamping related articles on http://www.thefabricator.com is out, and 4M is on it! From Bill Frahm’s article, Statistics and Probability for Better Decisions in Manufacturing, “If you manage the manufacture of high-volume … Continue reading

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Industry 4.0: Sensors Come to Sheet Metal Forming

Ohio State University article about Industry 4.0 the use of sensors in stamping: https://www.thefabricator.com/article/stamping/r-d-update-industry-4-0-and-the-use-of-sensors-in-sheet-metal-forming If you don’t think you can justify sensors, my recommendation is to track coil-by-coil performance [bad AND good] to see effect of metal props. You might … Continue reading

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​Impact of Overseas Tooling Sourcing: A report from the Center for Automotive Research ​

​CAR  Director of Manufacturing, Engineering, & Technology Abe Vadhavkar writes about the impact of sourcing tools overseas on the US tool & die sector.​  ​The report​​ ​states that new tooling sourced in Low Cost Countries such as China and Taiwan may … Continue reading

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Aluminum and Steel Usage at Nissan-Smyrna, TN

The ​​Nissan assembly plant in ​Smyrna, TN makes 640,000 vehicles a year, and it’s stamping plant supports production of 1.2 million vehicles. The stamping plant goes through 375 tons of steel and 14 tons of aluminum every day. automotivemanufacturingsolutions.com/focus/stamp-of-approval -Danny … Continue reading

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Aluminum and Steel Battle for Supremacy in Automotive Applications

There are benefits and challenges associated with each metal, and automakers need to consider strength, stiffness, manufacturing, weight, and cost – and many more characteristics. Steelmakers and aluminum producers are eager to help: 2 tons of sheetmetal are purchased for … Continue reading

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Treat Water Before Diluting Your Stamping Lubes

You drink bottled H2O rather than tap because it might taste “hard”, but what about using it for diluting stamping lubes? When diluted lubes dry during part storage, the remaining hard water ions can lead to problems. https://www.irmco.com/products/water-quality-lubricant-residues -Danny Schaeffler, … Continue reading

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Lubrication Technology for Metalformers, a conference from Metalforming Magazine in Feb 2019

Lubrication Technology for Metalformers, a February 2019 seminar from Metalforming Magazine, will help you learn how to select the right lubricant for your specific project based on material type, thickness, and forming challenges. The talks I’m most interested in hearing … Continue reading

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Sharp Edges Lead to Cracks? Who Knew?

“Cracks found in the Transbay Terminal superstructure appear to have started at the sharp corners of holes cut into vital steel beams during construction.” The San Francisco transit center opened in late August after 10 years of construction, costing $2.2 … Continue reading

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Using Test Data to Derive Product Improvements: Design Tests to Give Pertinent Quantitative Info

NIST and industry partners create new lab test to provide quantitative data on the scratch and damage resistance of automobile polymer clearcoat layers. Continue reading

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