Bending Articles

The bending technology area includes all manner of machines and processes for bending sheet metal, including press brakes, folders, panel benders, corner formers, ironworkers, notchers, orbital formers, and roll benders. It also has information on accessories such as gauging and backgauging systems.

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Applying sheet metal forming principles to plastic

July 12, 2016

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Anytime the inside radius or material thickness varies, there will be a change in the bend deduction. This is just as true when bending plastic as it is when bending sheet metal.

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The human side of the skilled-labor crisis

July 8, 2016

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In metal fabrication, companies need technical skill, but there’s a humanity to the skill that’s often overlooked. It’s about the relationship between the technician, his machine, and the workpiece.

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Tooling: The heart of choosing a press brake

July 5, 2016

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When considering a new press brake purchase, focus on the tooling and forming method first. How will your staff react to changes? How steep will the learning curve be? Also, think about where your company is headed and the markets it serves.

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Managing part flow in custom metal fabrication

July 1, 2016

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Think of how fast modern laser cutting is; now think of a typical press brake. There’s no contest. With this in mind, how can a fab shop best manage part flow? Elements of quick-response manufacturing (QRM) can help.

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Big press brake bending, high throughput

June 29, 2016

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In large-workpiece bending, material handling and tooling changeover can take serious time. Shorten that time, and bending throughput levels, even for the largest jobs, can jump significantly.

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Drive systems, automation, and flow: a press brake evolution

June 1, 2016

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Over the years press brake machines have undergone three big changes: how the machines are driven, how they are automated, and, finally, how parts flow through them.

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Applications: Electric press brakes set the pace for lighting products manufacturer

May 23, 2016

Situation: Kenall Mfg. is a manufacturer of energy-efficient lighting products for challenging environments. In late 2014 the company moved its production and office operations from Gurnee, Ill., to Kenosha, Wis., while also reducing its fabrication operation from three shifts to two....

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Which press brake is best?

May 9, 2016

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No press brake is best for every application, but you can find a press brake that’s best for you. To find that press brake, you need to match what’s available—hydraulic, hybrid, electric, mechanical, and other styles, along with the tooling—with what your operation needs.

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The sheet metal bending department evolves

April 27, 2016

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As cutting productivity rises to unprecedented levels, fabricators tackle their next bottleneck: bending. Today, panel benders, folders, and press brakes with automated tool changing are expanding forming possibilities and making new levels of bending productivity possible.

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Press brake bending: Applying the 20 percent rule to 6061 aluminum

April 13, 2016

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Four areas to consider when bending include (1) formability; (2) thickness and bend radius; (3) tensile, yield, and elongation; and (4) how to deal with bending tempered materials. This month, Steven Benson applies these to forming 6061 aluminum.

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How one fabricator maintains quality in bending

March 31, 2016

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DeWys Manufacturing, Marne, Mich., used to rely on quality personnel running all over the plant to check parts, but that caused downtime as people waited for the quality check. As the company explored lean manufacturing and refined its training process, it sought to make quality the job of everyone, not just a select few. The results of this thinking are particularly evident in the press brake department.

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Press brake bending and the notch: A deeper dive

March 28, 2016

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Bending guru Steve Benson continues his discussion of notching, which has a symbiotic relationship with bending. Nowadays CAD systems take care of the layout calculations. Nonetheless, manual notch layout is still used for one-off products or in prototype shops.

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Press brake bending and notching: A symbiotic relationship

February 15, 2016

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Whether you are a press brake technician or you are programming in CAD, having a basic understanding of notching can lead to better products and a more efficient operation.

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Reggin Industries Reinvents Procedures to Create a Whale of a Sculpture

February 1, 2016

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The beauty and grace of a baleen whale were the inspiration of the Sei sculpture designed by Michael Yahgulanaas and fabricated by Reggin Industries, Calgary, Alberta, for the McArthurGlen Designer Outlet Mall at the Vancouver Airport. Fabricating the smooth, curved lines of the sculpture with a mirrored stainless steel exterior within a tight time frame required a disciplined, revised production flow and innovation.

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Press brake basics: 10 tips for bottom bending aluminum

January 27, 2016

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Bottom bending can work well for some aluminum grades, but it requires knowledgeable operators who fully grasp the bending method and know what precautions to take.

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