Hydroforming related articles

There are 54 articles related to hydroforming.

Keeping hydroforming competitive: A call for improved specifications, processes 

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By: Klaus Hertell and Prashant Soman - www.thefabricator.com, 9/30/08
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One pipe or two?: Manufacturing clad pipe for energy applications 

The energy sector is hot right now, and so is pipe production. Finding the optimum material for making pipe for this industry is tricky. Low-alloy carbon steels tend to be strong, but lack corrosion resistance. Stainless steels resist corrosion but lack strength. Cladding low-alloy carbon steel with...
By: Colin Macrae - www.thefabricator.com, 6/17/08
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Forming a new approach: Hydroforming is no longer a brand new technology, but it may be the solution for new applications 

Attendees of the fifth Hydroforming Conference and Exhibition, organized by the Tube & Pipe Association, International, and the Society of Manufacturing Engineers, learned that hydroforming technology is not dead yet.
By: Dan Davis, Editor-in-Chief - The FABRICATOR®, 11/6/07
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Achieving aluminum's mass at steel's cost: Using variable-wall technology to optimize tubular structures 

Tube traditionally is produced with a constant wall thickness, leaving design engineers stuck with designing tubular parts and unable to optimize them. A tube with variable wall thickness changes all that. This technology allows design engineers to specify the wall thickness in various areas of a tu...
By: Tanya Weber-Bateman and Scott Thibodeau - www.thefabricator.com, 9/11/07
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The evolution of tube hydroforming: Adapting to a changing environment 

More than a decade ago, tube hydroforming grew in two directions: low-pressure hydroforming (a patented process) and high-pressure hydroforming. Since then the industry has grown to include all manner of robots, laser cutting systems, punching operations, and so on. Manufacturing consultant Gary Mor...
By: Gary Morphy, Contributing Writer - www.thefabricator.com, 6/12/07
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Liquid curves: Sheet hydroforming helps the sporty Solstice stand out 

Sheet hydroforming has fewer restrictions when forming complicated parts, which gives styling designers and manufacturing engineersmore flexibility during the design process. To provide a stylish body shape for the Pontiac Solstice®, GM chose sheet hydroforming to manufacture its hood, door, deck li...
By: Trent Maki and Cam Walter - www.thefabricator.com, 5/8/07
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Straining to understand bending?: Regression analysis predicts springback’s magnitude, variation 

Before you can hydroform tube, you bend it. Then it springs back. You can compensate by overbending it, but first you have to predict the amount of springback.
By: Dr. Ho-Kook Lee and C.J. Van Tyne - www.thefabricator.com, 4/10/07
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The evolution of tube hydroforming 

The growth in hydroforming use has slowed as tube hydroformers, particularly in the automotive industry, are taking a step back to examine process options in an effort to determine the most efficient, cost-effective process. Some even have reverted to stamping and welding formerly hydroformed pa...
By: Gary Morphy, Contributing Writer - www.thefabricator.com, 10/10/06
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Warm forming magnesium, aluminum tubes: A high-temperature process for lightweight alloys 

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By: Yingyot Aue-u-lan, Jon Ander Esnaloa, David Guza, and Taylan Altan, Contributing Writers - The FABRICATOR®, 10/3/06
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Tube hydroforming for expanded design options: Knowing the capabilities, limitations, and misconceptions is key to understanding hydroforming's potential 

Hydroforming has become a favored technology for automotive parts because it allows manufacturers to increase a component's strength, reduce its weight, and reduce the number of parts in an assembly. Another important benefit, one that is often overlooked, is the increase in design freedom this tech...
By: Paul Tauzer - www.thefabricator.com, 6/13/06
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Introduction to Tube Hydroforming 5 Star Article 

Under the right circumstances, hydroforming can be a viable, cost-effective manufacturing process. Tube hydroforming often produces stronger structural components than can be achieved with more conventional methods. This article explains tube hydroforming, describes its evolution, and discusses the ...
By: Gary Morphy, Contributing Writer - www.thefabricator.com, 6/13/06
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A new use for hydraulic presses: Hardening crash-relevant body parts 

The use of high-strength steels (HSS) and ultrahigh-strength steels (UHSS) has made stamping complex structural automotive components increasingly difficult and capital-intensive. Changing from traditional stamping (at room temperature on a mechanical press) to hot stamping (at elevated temperatures...
By: Andreas Kinzyk - The FABRICATOR®, 5/9/06
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Processes for hydroforming sheet metal: Part III: SHF-P and SHF-D case studies 

Part three of a three-part series on sheet hydroforming, this article reviews the SHF-P and SHF-D processes.
www.thefabricator.com, 4/11/06
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The heat is off: Why hydroforming makes sense in heat exchanger manufacturing 

To make a complex heat exchanger shell, a company produces a prototype model using the hydroforming process, analyzing fatigue, thinning, and cycle times to decide if the process will prove to be cost-effective.
By: Tom Driggers - www.thefabricator.com, 3/7/06
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Tube Hydroforming Design Flexibility—Part IX: : Process Conditions, Equipment, and Conclusions 

In this last article in a nine-part series, Gary Morphy reviews high-pressure and pressure sequence hydroforming and discusses factors to consider when deciding which process is best for a particular application. The decision should be based in part on anticipating future needs.
By: Gary Morphy, Contributing Writer - www.thefabricator.com, 2/7/06
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Tube Hydroforming Design Flexibility—Part VIII: Dimensional Stability 

Whether they are producing automobiles or hydroforming press parts, designers, manufacturers, and assembly personnel are very concerned about dimensional stability. Surfaces and holes must be located in a specified range and smaller is better. Concern escalates as the drive to improve quality and re...
By: Gary Morphy, Contributing Writer - www.thefabricator.com, 6/14/05
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Tube Hydroforming Design Flexibility—Part VII: Holes 5 Star Article 

Editor's Note: This article is Part VII in a series about design flexibility in tube hydroforming. Please read Part I, Part II, Part III, Part IV, Part V, and Part VI....
By: Gary Morphy, Contributing Writer - www.thefabricator.com, 2/8/05
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Forming advanced metals: Hydroforming dual-phase steel 5 Star Article 

The demand for lightweight components continues to be a primary driver in the automotive industry.
By: Maarten Kelder and Kevin Edgar, Contributing Writers - www.thefabricator.com, 12/7/04
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Tube Hydroforming Design Flexibility—Part VI 

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By: Gary Morphy, Contributing Writer - www.thefabricator.com, 9/14/04
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Hydroforming tapered engineered tubes: Are they more formable than uniform-thickness tubes? 

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By: Yingyot Aue-u-lan, Prashant Soman, Serhat Kaya, Chuck Smith, and Dr. Taylan Altan, Contributing Writers - www.thefabricator.com, 6/8/04
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Part feature developments in hydroforming products: Hydroforming continues to make automotive inroads 

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By: Gary Morphy, Contributing Writer - www.thefabricator.com, 3/25/04
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Developments in Hydroforming: International conference highlights new equipment, industry trends 

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By: Dr. Stefan Wagner, Contributing Writer - www.thefabricator.com, 3/25/04
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Tube Hydroforming Design Flexibility—Part V 5 Star Article 

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By: Gary Morphy, Contributing Writer - www.thefabricator.com, 2/26/04
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Hydroforming heats up: New techniques and equipment push industry forward 

Hydroforming was one of the fastest-growing metal forming technologies during the 1990s. Most of U.S. industry cooled down during and after the recession of 2001, but things have been heating up lately, and the world of hydroforming is no exception. The North American Hydroforming Conference and Exh...
By: Eric Lundin, Editor, TPJ-The Tube & Pipe Journal® - www.thefabricator.com, 1/13/04
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Tube Hydroforming Design Flexibility—Part IV 5 Star Article 

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By: Gary Morphy, Contributing Writer - www.thefabricator.com, 10/23/03
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Eliminating final trim shearing of hydroformed tube 

The most common way to establish tube length after hydroforming is by cutting or shearing the tube to a specified dimension; however, cutting out this step can reduce scrap. A new method designed to eliminate this step combines forming the end of a tube to resemble its final form with using a hydrof...
By: Donald Godfrey, Scott Huth, and Murray Mason, Contributing Writers - www.thefabricator.com, 10/9/03
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A survey of presses for hydroforming tubes, extrusions: Presses, accessories offer options for hydroformers 

Hydroforming is one of the most important fields in production manufacturing. In recent years many single presses, groups of presses, and entire production plants for internal high-pressure (IHP) hydroforming of tubes and extrusions have been installed, especially in the Americas and in Europe. The ...
By: Klaus Siegert and Matthias Aust, Contributing Writer - www.thefabricator.com, 10/9/03
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Making the most of hydroforming: Pursuing product potential and possibilities 

Hydroforming has become a competitive metal forming method and has succeeded in many applications because of its weight- and cost-saving attributes, elimination of joining operations, and ability to offer part design for confined spaces.
By: Klaus Heimerl and Ulrich Lücke, Contributing Writers - www.thefabricator.com, 9/25/03
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Tier 1 supplier builds four-stage competitive strategy 

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By: Eric Lundin, Editor, TPJ-The Tube & Pipe Journal® - www.thefabricator.com, 7/24/03
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Examining the effects of push assist on the formability of aluminum tubes 

It is well-known that tube has become an important material for hydroforming hollow components. The increasing complexity of product structures, particularly in the automotive industry, often requires one or more forming operations before a tube actually is hydroformed. Prebending is one of these fo...
By: Ghafoor Khodayari Ph.D., and Michael Worswick, Ph.D., Contributing Writers - www.thefabricator.com, 7/10/03
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Dealing with internal pressure in free hydraulic bulging: Predicting results with FEA 

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By: Atsushi Shirayori, Contributing Writer - www.thefabricator.com, 6/12/03
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Tube Hydroforming Design Flexibility—Part III 

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By: Gary Morphy, Contributing Writer - www.thefabricator.com, 4/24/03
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Fill'er Up: Using hydroforming to manufacture one-piece gas tank filler tubes 

Hydroforming is gaining ground in the manufacture of many automotive components,such as pillars, frame rails, and engine cradles. Automakers are finding hydroforming advantageous for forming many smaller parts also. The process is useful for manufacturing an automobile fuel filler tube, which is th...
By: Thomas Driggers, Contributing Writer - www.thefabricator.com, 3/27/03
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Hydroforming of passenger car fuel tanks 

Passenger car fuel tanks have for many years been made out of plastic. To reduce MTBE leaks in the groundwater, the Department of Energy, The State of California, and the Western States Petroleum Association are studying material alternatives such as high-strength steel, stainless steel and aluminum...
By: Taylan Altan, Contributing Writer - www.thefabricator.com, 10/24/02
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Analyzing Tubes, Lubes, Dies, and Friction: Using Tribology to evaluate lubricant-material combinations in hydroforming 

Comparing and correlating two tests, a common bench test (twist compression) and a straight-tube corner-fill test simulate hydroforming to find the coefficient of friction.
By: Ghafoor Khodayari Ph.D., Jean Reid Ph.D., and Mark Garnett, Contributing Writers - www.thefabricator.com, 10/10/02
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Material property variations in tubes used for hydroforming: Using the hydraulic bulge test to determine formability 

As tubular hydroforming becomes a competitive process for the mass production of automotive parts, a tube's material properties must be consistent. To predict variations in material properties, many tube producers use the uniaxial tensile test. Because the specimens for the tensile test are collecte...
By: Shrinivas Patil, Yingyot Aue-u-lan, and Taylan Altan, Contributing Writers - www.thefabricator.com, 10/10/02
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Tube Hydroforming Design Flexibility—Part II 5 Star Article 

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By: Gary Morphy, Contributing Writer - www.thefabricator.com, 10/10/02
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Designing a hydroforming press for research, production: Press accommodates sheet hydroforming 

A new type of hydroforming press was recently developed for sheet applications. The new press incorporates data acquisition and control features for research purposes. Current press frame designs for tube and sheet forming are uneconomic for large forces. This press achieves a clamping force of 100 ...
By: Markus Erras, Contributing Writer - www.thefabricator.com, 9/12/02
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Tube Hydroforming Design Flexibility—Part I 5 Star Article 

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By: Gary Morphy, Contributing Writer - www.thefabricator.com, 5/16/02
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Determining flow stress of tubes: Biaxial test provides better results for hydroforming 

This article discusses tests that are used to evaluate flow stress in tube and why the uniaxial test is not suitable for this application. It discusses a bulge test, which stresses the tube biaxially, including tooling, software, and analysis tools for evaluating stresses.
By: Srikanth Kulukuru, Yingyot Aue-ul-lan, and Taylan Altan, Contributing Writers - www.thefabricator.com, 3/14/02
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Predicting failure in hydroforming prevent aluminum tubes: Strain variables require sophisticated analysis 

This article discusses an approach to predicting failure in hydroforming prebent aluminum tubes. While strains are well researched for stamping sheet, this type of knowledge is lacking for hydroforming tubular components. Because the strains are different—prebent hydroformed tubular parts experience...
By: Nathan Dwyer, Contributing Writer - www.thefabricator.com, 3/14/02
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Hydroforming gains ground in Germany: Growth seen in high-volume automotive structural parts 

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By: Klaus Vollrath, Contributing Writer - The FABRICATOR®, 1/24/02
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Hydroforming provides Rx for medical pumps: Fabriator adds economy to other benefits of titanium 

This article relates how a Florida-based company used hydroforming to produce titanium housings for implantable pumps for a Massachusetts-based manufacturer.
By: T.R. Balmer, Contributing Writer - www.thefabricator.com, 1/10/02
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How material influences bending for hydroforming: Effects on ovality, springback, and wall thickness in tubes 5 Star Article 

The bending characteristics of a tube depend on the material it is made of. Exceeding the allowable limits of this deformation results in unusable parts. The author relates his company's examination and comparison of the bending of two different seamless, extruded tubes: aluminum alloy and steel.
By: Ghafoor Khodayari Ph.D., Contributing Writer - www.thefabricator.com, 1/10/02
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Hydroforming Y-shaped stainless steel exhaust components: How to select process parameters 5 Star Article 

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By: Suwat Jirathearanat, Christph Hartl, and Taylan Altan, Contributing Writers - www.thefabricator.com, 11/29/01
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Using hydroforming aluminum components versus steel stampings: The contender gains points, but the champion is still in the fight 

This article examines two transitions that are occurring in the automotive industry—the change from stamping to hydroforming, and the substitution of aluminum where steel was used previously.
By: Daniel Hunter, Contributing Writer - www.thefabricator.com, 11/15/01
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Hydroforming a new front automotive structure: How new methods can rise to old challenges 

Hydroforming the parts in a vehicle structure can be of immense benefit on several counts, as a review of a recent project at the author's company can attest.
By: Gary Morphy, Contributing Writer - www.thefabricator.com, 10/25/01
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Hydroforming with end feeding 

The list of applications for hydroforming with end feeding is growing all the time. Maybe you should check into how this technology could benefit your operation.
By: Harry Singh, Contributing Writer - www.thefabricator.com, 8/16/01
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Hydroforming on a budget 

You can use several strategies for starting a hydroforming operation on a limited budget. Review your alternatives for selecting a press, fluid intensification system, and developing the tooling necessary for your operation before you take the plunge.
By: Kevin Webb, Contributing Writer - www.thefabricator.com, 7/12/01
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Successful tube hydroforming: Watching parameters, accurately simulating the process yield good results 5 Star Article 

A typical tube hydroforming system is shown in Figure 1. Within this system, a host of factors must be taken into account, from starting tube geometry and material properties to the quality of the final part (such as thickness distribution and dimensional accuracy).
By: Taylan Altan and Suwat Jirathearanat, Contributing Writer - www.thefabricator.com, 6/15/01
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Hydroforming of tubes, extrusions, and sheet 5 Star Article 

Recent advances at the University of Stuttgart and acfross the industry have opened doors for hydroforming all kinds of materials and shapes.
By: Klaus Siegert, Markus Haeussermann, and Bruno Losch, Contributing Writer - www.thefabricator.com, 5/15/01
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The basic elements of tubular hydroforming 5 Star Article 

Many factors come into play when attempting to execute a production hydroforming operation, among them material selection, friction and lubricants, tube bending and preforming, and equipment. Many companies in the automotive sector are experiencing great success with the process, which can reduce we...
By: Mustafa Ahmetoglu, Contributing Writer - The FABRICATOR®, 3/5/01
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Pressure-sequence and high-pressure hydroforming: Knowing the processes can mean boosting profits 

Pressure-sequence hydroforming can form complex parts as well as forming most ductile metals, including high-strength, low-alloy, and stainless steels with sharper corners, thick-walled tube, and other difficult features.
By: Gary Morphy, Contributing Writer - www.thefabricator.com, 2/19/01
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Effective simulation of hydroforming: Current capabilities and requirements for the future 

Simulation is used in the hydroforming process to replace the experimental investigation and tests required in a real tryout process.
By: Reimund Neugebauer, Matthias Putz,Jörg Leihkauf, and B. Schulze, Contributing Writers - www.thefabricator.com, 2/19/01
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Fabricators and Manufacturers Association, International Tube and Pipe Association, International