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Bending Tech Cell >
Bending Article List
Bending related articles
There are 78 articles related to bending.
No one press brake safeguard works fore all applications.
The FABRICATOR®, 11/3/09
Greiner specializes in structural steel and heavy plate fabrication. It does work for power plants and the mining industry. In the 33 years the company has been in business, it has done structural steel jobs in an industry where the work always seems to be getting larger and heavier. It recently ins...
The FABRICATOR®, 10/8/09
Automating bending with a press brake tied to a robot isn't the only option. Panel benders and folding technologies have evolved to handle more parts and various lot sizes.
The FABRICATOR®, 10/5/09
A heavy-equipment OEM's forming department develops a unique
tooling setup for bending extremely thick, high-strength plate--
designed for one application and one application only.
The FABRICATOR®, 9/1/09
Contract manufacturer BEPeterson takes tight roll-bend tolerancing to the extreme: some cans are rolled to +/-1/32 inch on the circumference.
By: Tim Heston - The FABRICATOR®, 7/2/09
Different high-tensile-strength metals bend—and spring back—in starkly different ways, so developing a bending strategy takes some serious planning.
By: Tim Heston - The FABRICATOR®, 5/28/09
Polyurethane film, inserts, pads, and bottom dies can help prevent marring and, in some cases, allow the die to take on a variety of materials and gauges, including perforated metal and diamond tread plate.
By: Tim Heston, Senior Editor - The FABRICATOR®, 3/10/09
For the best, most cost-effective parts, designers should consider fabrication from the get-go. This article shows examples of what those parts look like.
By: John Kemp - The FABRICATOR®, 1/27/09
Electric and hybrid electric-hydraulic press brakes give fabricators an energy-saving bending alternative.
By: Casey Schlachter - The FABRICATOR®, 1/27/09
Press brake operators work under some unique conditions that call for unique considerations in safeguarding.
By: Tim Heston, Senior Editor - The FABRICATOR®, 11/25/08
Modern press brakes add intelligence to the machine control and bring programming offline.
By: Tim Heston, Senior Editor - The FABRICATOR®, 10/14/08
Three decades ago bottoming with penetration, or coining, was the only way to achieve high accuracies on press brakes, and this meant fabricators endured high tooling costs. Over the years precision air bending with CNC hydraulic press brakes using precision-ground tooling evolved to become the domi...
By: Joseph Altieri - The FABRICATOR®, 6/17/08
Tooling manufacturers have introduced tooling designed to overcome the longstanding problems associated with staged bending.
By: Pat Campbell - The FABRICATOR®, 6/17/08
Powder River, a Provo, Utah-based fabricator of farm implements, turned to KNUTH Machine Tools USA for a three-roll bender the company uses to make its round bale feeders for horses.
By: Dan Davis, Editor-in-Chief - The FABRICATOR®, 5/13/08
La principal tendencia en prensa frenos de seguridad es garantizar la seguridad sin sacrificar velocidad o los operadores que dificultan la capacidad de trabajar de manera eficiente, por ejemplo los fabricantes de frenos de prensa. Esto empieza con herramientas, incluyendo segmentado o sectionali...
By: Kate Bachman - The FABRICATOR®, 5/13/08
Standardized press brake tooling, absolutely necessary for a lean organization, keeps a shop flexible, but at the same time, ignoring specials would be a big mistake. If their slightly longer setup times also lead to a drastic increase in throughput, special tools make good business sense.
By: Tim Heston, Senior Editor - The FABRICATOR®, 2/12/08
Fabricators typically encounter bottlenecks during setup and production in their press brake bending operations—obstacles that lead to downtime and fewer operators actually processing material. Representatives from Amada, LVD Strippit, Bystronic Inc. addressed these issues in a recent presentation. ...
By: Michael Bishop, Contributing Writer - The FABRICATOR®, 1/15/08
...
The FABRICATOR®, 10/9/07
Outdoor equipment manufacturer Toro Co. regularly sends out bids for parts, forcing its own manufacturing plants to compete with outside vendors. Toro’s manufacturing plants face the same competitive pressures as any other manufacturer, so its plant in Shakopee, Minn., analyzed its forming operation...
The FABRICATOR®, 9/11/07
Is the starting position of the flat part facing the wrong way or upside down to your natural flow? Are you working from left to right when your natural motion is right to left? If you are, you’re fighting the current rather than letting the current do the work. Set up the press brake in such a mann...
By: Steve Benson - The FABRICATOR®, 6/12/07
Universal Pipe and Steel Supply, Fort Myers, Fla., needed a roll bender with greater capacity to capitalize on the market for larger pipe sections. The company found its answer with a four-roll bender from Bertsch.
By: Dan Davis, Editor-in-Chief - The FABRICATOR®, 4/10/07
Several new breeds of high strength steels have arrived that bring with them a host of new opportunities. However, these new breeds also bring with them special challenges not common to bending mild steel, and with them, the need for new tools and new rules for proper bending.
By: David Bishop, Contributing Writer - The FABRICATOR®, 3/13/07
The leading trend in press brakes safety is to ensure safety without sacrificing speed or hampering operators’ ability to work efficiently, say press brakes manufacturers. This starts with tooling, including segmented or sectionalized tooling that is lighter and easier to handle; safety features tha...
By: Kate Bachman, STAMPING Journal® Editor - The FABRICATOR®, 1/9/07
At a time when automated equipment is the most popular and well-known method for bending tubes, there is still a demand for dedicated manual tube bending (DMTB) units to help fill a void that the use of CNC equipment sometimes creates.
By: Jeffrey E. Monroe - www.thefabricator.com, 1/9/07
Tooling determines the outcome of a bending operation. Whether an application is simple or complex, matching the right tooling with the bending equipment and method will save both time and money.
By: Bob Want - www.thefabricator.com, 12/12/06
Press brake tooling can play a significant role in minimizing setup, reducing WIP, increasing throughput, and minimizing waste -- the goals of lean manufacturing. Some new developments are staged bending, push-button loading, sectionalized tooling, and precision-ground tools.
By: Pat Campbell - The FABRICATOR®, 9/12/06
Well-known for agriculture, Nebraska also has a strong manufacturing base. OEMs include Kawasaki, Husqvarna, Eaton, Thermo King, Claas, and Case New Holland. Standard Iron & Wire, a Minnesota-based fabricator, opened a manufacturing facility in Grand Island, Neb., to take advantage of this fertile m...
By: Eric Lundin, Editor, TPJ-The Tube & Pipe Journal® - The FABRICATOR®, 6/13/06
Three-roll bending with a variable axis offers an advantage over four-roll bending for bending conical sections in that it allows for a good leading edge and rolling without having to lift the plate to pivot it with a bridge crant.
By: Paolo Seravesi - The FABRICATOR®, 4/11/06
It is all too easy to ruin a tool or upset a ram if bottom bending is done incorrectly, which is why many manufacturers do not recommend bottom bending when using their equipment or tooling. Understanding V-die selection and the effects of your decisions should be first and foremost in any bending o...
By: Steven D. Benson - The FABRICATOR®, 3/7/06
Simplicity Manufacturing Inc. of Port Washington, Wis., needed new press brakes because it was about to increase its laser cutting capacity. The outdoor power equipment manufacturer turned to a vendor of Turkish-built press brakes for help and found the answer for which they were looking.
By: Dan Davis, Editor-in-Chief - The FABRICATOR®, 2/7/06
Every press brake is subject to normal deflection under load. This deflection is corrected by shimming. If you deflect behond design limits, you will put a permanent bend in the ram and this is known as ram upset. You cannot adjust to compensate for ram upset. Remachining of the ram is the only solu...
By: Bob Butchart - The FABRICATOR®, 1/10/06
Properly trained press brake operators understand the nuances of tapers. Armed with this knowledge and following a five-step process that includes inspecting tooling and materials, precise setup, checking the part, and making necessary adjustments, these skilled workers can complete machine setu...
By: Steven D. Benson, Contributing Writer - www.thefabricator.com, 11/8/05
The types of press brake projects that remain in the U.S. tend to be those requiring smaller lot sizes, shorter turnarounds, and more complex shapes than those going offshore. Enter the need for smart press brakes—those with the capability to store and apply process intelligence. Today's shrinking ...
By: Todd Kirchoff - The FABRICATOR®, 9/13/05
This study illustrated that, when the thickness and stress-strain curve of the sheet material are known, it is possible to predict with acceptable accuracy the bend allowance, springback angle, and punch stroke to obtain the desired final product dimensions.
By: Ninad Nargundkar, Hyunok Kim, and Taylan Altan - www.thefabricator.com, 9/13/05
Using oversized V dies in bottom bending can damage press brakes and tooling, but used properly, these dies can help compensate for springback.
By: Steve D. Benson, Contributing Writer - www.thefabricator.com, 8/9/05
Reducing nonvalue-added time—back guauge origin, nonprecison clamping surfaces, die shimming, scrap, and inefficient tooling storage—over time can save thousands.
By: David Bishop, Contributing Writer - The FABRICATOR®, 6/14/05
Red Dot Corp., forced by eroding margins to consider lean manufacturing and reduce lead times, embarked on a project to reduce wasted time, materials, and space. As part of this project, the company decided to move some of its manufacturing processes from its main plant in Seattle, Wash., to one of ...
By: Scot Stevens, Contributing Writer - The FABRICATOR®, 4/11/05
Folding machines aren't the fastest machines for bending sheet metal, but for low- to medium-volume production, they can provide an efficient bending process. Because the equipment operator does not support the weight of the material during the bending cycle, folding machines are well suited to larg...
By: Rick Wester, Contributing Writer - The FABRICATOR®, 11/9/04
Over the past several years the sheet metal fabrication industry has witnessed a number of technological advancements in both machines and tooling. Machines are now capable of punching, cutting, and bending faster and more accurately than previously imaginable.
By: Shawn Shultz, Contributing Writer - The FABRICATOR®, 8/10/04
You may be able to improve press brake productivity and eliminate bottlenecks with more advanced tooling, anti-deflection [crowning] systems, and clamping systems. Such advancements have made it possible to form a larger range of materials and part configurations with fewer tools than before.
By: David Bishop, Contributing Writer - The FABRICATOR®, 6/8/04
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By: Steve D. Benson, Contributing Writer - www.thefabricator.com, 5/4/04
As more commercial buildings are designed with larger open spaces, the beam spans grow longer, and the beams must be bigger and heavier. This requires ever-larger section bending rolls to accommodate this demand. In addition, the trend toward the use of higher strength steels has taxed the capabili...
By: Kate Bachman, STAMPING Journal® Editor - The FABRICATOR®, 4/6/04
Have you ever wondered about the best way to store your press brake tooling? An expensive part of your press brake operation, tooling is damaged enough just by daily wear and tear and accidents. You don’t want to damage it further by storing it improperly.
By: Steve D. Benson, Contributing Writer - www.thefabricator.com, 3/25/04
Operators, designers, and engineers, why should you care about the inside bend radius if the customer doesn't? Because, ultimately, just how easy or difficult it is to produce a part depends on decisions made during the design stage. Misunderstanding terminology, process capabilities, or production ...
By: Steve D. Benson, Contributing Writer - www.thefabricator.com, 1/29/04
Schwenkbiegemachinen, or swing bending machines, have been in use for more than 200 years. European manufacturers began to power them with electrical or hydraulic power after World War II, when an enormous amount of sheet metal was used in the reconstruction of Europe.
By: Geoff Stone, Contributing Writer - The FABRICATOR®, 12/11/03
The Ottenweller Company Inc. is a heavy sheet fabricator that produces fabrications and assemblies for construction and agricultural equipment manufacturers and heavy-duty truck builders. The family-owned business employs 150 and operates from a 120,000-square-foot facility in Fort Wayne, Ind.
The FABRICATOR®, 11/20/03
Press brake forming always has been a labor-intensive process. Shrinking lead-times and smaller lot sizes demand more frequent setups, which cut into productive output hours and put more pressure on manufacturing efficiencies. Fabricators need to find ways to reduce machine downtime for setup and op...
By: Todd A. Kirchoff, Contributing Writer - The FABRICATOR®, 11/6/03
Picking the right press brake has never been an easy task and it continues to get harder all the time. New hydraulic systems offer unbelievable control and sophisticated hydraulic valving that were unimaginable just a few short years ago.
By: Steve D. Benson, Contributing Writer - www.thefabricator.com, 9/10/03
Increased global competition for customers on their home turf has driven U.S. metal fabricators to throw their nets wider to international markets. With this in mind, fabricators should look at the lists of the countries purchasing the most U.S. metal fabricated tools, machinery, products, and parti...
By: Kate Bachman, STAMPING Journal® Editor - The FABRICATOR®, 7/10/03
Screen some press brake owners and manufacturers these days, and it’s like they’re all reading from the same script:
By: Lincoln Brunner, Contributing Writer - The FABRICATOR®, 6/26/03
How many times have you looked through huge piles of blueprints for a prototype part or short-run job and thought, "If only I had that tool, this job would be a piece of cake?"
By: Steve D. Benson, Contributing Writer - www.thefabricator.com, 5/29/03
Gone are the days when engineers and draftsmen slaved for hours over drafting boards with a pencil and slide rule in hand (does anyone remember slide rules?). Today we've moved beyond slide rules and even beyond hand-held calculators to personal computers and mainframes to do much, if not all, of ou...
By: Steve D. Benson, Contributing Writer - www.thefabricator.com, 3/27/03
Air forming began its rise in popularity during the mid- to late 1970s, becoming the most prevalent method of forming on a press brake.
By: Steve D. Benson, Contributing Writer - www.thefabricator.com, 2/13/03
Carefully planning the forming order can make even the most daunting project less complicated and problematic.
By: Steve D. Benson, Contributing Writer - www.thefabricator.com, 10/24/02
Think about it: If your setup is off, the rest of your press brake operation will soon follow. Take the time to do your setup right, and you won't be doing it a second time.
By: Bob Butchart, Contributing Writer - www.thefabricator.com, 8/29/02
Giving operators the know-how they need to produce parts efficiently and cost-effectively can be as easy as 1-2-3-4.
By: Bob Butchart, Contributing Writer - www.thefabricator.com, 8/8/02
There's no reason you can't form sharp, deep boxes with a press brake consistently. You just have to be familier with what your tooling can and can't do under certain circumstances.
By: Steve D. Benson, Contributing Writer - www.thefabricator.com, 7/11/02
The step-bending method can be a good way to achieve large radiuses without having to spend huge sums of money on special tooling.
By: Steve D. Benson, Contributing Writer - www.thefabricator.com, 5/30/02
Benchmarking is a very good idea for your operation—just make sure your benchmarks are your own and not someone else's idea of perfect.
By: Steve D. Benson, Contributing Writer - www.thefabricator.com, 5/30/02
The author examines the two basic types of structurals, load-bearing and architectural, and then discusses two ways to bend steel forms for these applications, cold bending and induction bending, and criteria for determining when to use each.
By: Jim Friery, Contributing Writer - The FABRICATOR®, 5/16/02
Looking to nest parts tightly, but can't win the battle against the material's natural grain? Take heart—bottom bending could be your key to success.
By: Steve D. Benson, Contributing Writer - www.thefabricator.com, 4/15/02
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By: Bob Butchart, Contributing Writer - www.thefabricator.com, 2/14/02
The flow of product through you shop is a key issue in determining your prosperity as a business. Drawing a little insight from the Chinese concept of feng shui might help you achieve the kind of flow you're looking for.
By: Steve D. Benson, Contributing Writer - www.thefabricator.com, 1/31/02
It's hard to believe that machines such as press brakes and hardware setting equipment can move around on wheels or be moved by forklift and still function correctly. But I can tell you, from experience, that it is true and can be done.
By: Steve D. Benson, Contributing Writer - www.thefabricator.com, 11/29/01
The article discusses making small holes and when to use a punch or laser cutter, inside radius measurements and how they differ depending on whether you are coining or air bending on a press brake, and adding bend relief to prevent tearing material.
By: Gerald Davis, Contributing Writer - The FABRICATOR®, 10/25/01
What sort of safety measures needed in your shop depends somewhat on your equipment, but making your press brake a safe piece of equipment is largely a matter of old-fashioned common sense.
By: Bob Butchart, Contributing Writer - www.thefabricator.com, 10/11/01
When bending sheet metal, three terms apply to the radius of the bend: sharp, radius, and profound. A sharp bend has a radius less than 63 percent of the material thickness. A radius bend has a radius between 63 percent and 10 times the material thickness. A profound radius exceeds 10 times the mate...
By: Steve D. Benson, Contributing Writer - The FABRICATOR®, 9/17/01
Most common mistakes made while operating press brakes can be avoided with a little diligence and awareness of where others have gone astray.
By: Bob Butchart, Contributing Writer - www.thefabricator.com, 8/16/01
Press brake manufacturers have made tremendous advances in the art of machine design and manufacturing.
By: Gary Nadzam, Contributing Writer - The FABRICATOR®, 8/16/01
Quite often I am asked, "Where can I get a bend deduction chart that works, one with valid numbers?" That's a good question.
By: Steve D. Benson, Contributing Writer - www.thefabricator.com, 7/26/01
Problems with your press brake imperil what could be the most valuable machine you have. Take pains to ensure the health of this valuable piece of equipment.
By: Bob Butchart, Contributing Writer - www.thefabricator.com, 6/18/01
Understanding the obstacles to automating press brakes requires an analysis of the bending process.
By: Jerry Rush, Contributing Writer - The FABRICATOR®, 6/12/01
One of the most important aspects of press brake forming is tooling selection. What are the tools capable of? What kinds of loads can they withstand?
By: Steve D. Benson, Contributing Writer - The FABRICATOR®, 5/30/01
What are urethanes? How do they work for radius bending? What is the proper pad type for my application? These are important questions to answer before using urethane tooling for your next job.
By: Govind Lakshman, Contributing Writer - The FABRICATOR®, 5/15/01
Prospective buyers of press brakes are advised to consider their purchase in terms of its end use, the amount of deflection likely to occur in a give machine, the inside radius of their parts, and several other factors before speding their money.
By: Bob Butchart, Contributing Writer - www.thefabricator.com, 3/23/01
Press brake safety is a common sense issue.
By: Steve D. Benson, Contributing Writer - www.thefabricator.com, 2/19/01
When the right technology is available, manufacturing small lot sizes can be a shrewd business strategy. Three developments are bringing automation to press brakes and, as a result, are helping fabricators meet customers' demands for smaller lot sizes.
By: Jerry Rush, Contributing Writer - The FABRICATOR®, 2/15/01
A small fabricator North Carolina, family-owned company manufactures standard and custom electrical enclosures for the commercial construction industry and a growing number of OEMs.
By: Linda Baldwin, Contributing Writer - The FABRICATOR®, 1/10/01
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