Hydroforming Articles

Results: 54

	Keeping hydroforming competitive : A call for improved specifications, processes By: Klaus Hertell and Prashant Soman The market for hydroformed parts is substantial and diverse. Today's hydroformers make a multitude of components by forming tubes into various... Publish date: September 30, 2008
	One pipe or two? : Manufacturing clad pipe for energy applications By: Colin Macrae It's no secret that the energy sector is hot right now. To say that fuel prices have been rising unpredictably during the past few years would... Publish date: June 17, 2008
	Forming a new approach : Hydroforming is no longer a brand new technology, but it may be the solution for new applications By: Dan Davis, Editor-in-Chief An engine cradle is a good example of a large, tubular part that can be altered greatly with the hydroforming process. Eagle Precision... Publish date: November 6, 2007
	Achieving aluminum's mass at steel's cost : Using variable-wall technology to optimize tubular structures By: Tanya Weber-Bateman and Scott Thibodeau Automakers continuously strive to reduce motor vehicle mass, mainly for efficiency and environmental reasons—to improve fuel efficiency and... Publish date: September 11, 2007
	The evolution of tube hydroforming : Adapting to a changing environment By: Gary Morphy, Contributing Writer Editor's Note: This article appeared previously on www.thefabricator.com . The growth in hydroforming use has slowed as automakers and part... Publish date: June 12, 2007
	Liquid curves : Sheet hydroforming helps the sporty Solstice stand out By: Trent Maki and Cam Walter North American automakers are producing more specialty vehicles in limited quantities for niche markets. The vehicles are stylish and sporty... Publish date: May 8, 2007
	Straining to understand bending? : Regression analysis predicts springback�s magnitude, variation By: Dr. Ho-Kook Lee and C.J. Van Tyne Editor's Note: This article was adapted from the paper "Springback Characteristics of Bent Tubes for Hydroforming Applications," which was... Publish date: April 10, 2007
	Warm forming magnesium, aluminum tubes : A high-temperature process for lightweight alloys By: Yingyot Aue-u-lan, Jon Ander Esnaloa, David Guza, and Taylan Altan, Contributing Writers Research shows that in forming lightweight materials such as aluminum and magnesium alloys, the formability increases as the temperature... Publish date: October 3, 2006
	The evolution of tube hydroforming By: Gary Morphy, Contributing Writer Tube hydroforming has evolved over the last 20 years and now is being used to make many different parts more efficiently. The most common... Publish date: October 10, 2006
	Tube hydroforming for expanded design options : Knowing the capabilities, limitations, and misconceptions is key to understanding hydroforming's potential By: Paul Tauzer Much of the attention on hydroforming concerns automotive components and focuses on weight savings, strength improvements, and reducing the... Publish date: June 13, 2006
	Introduction to Tube Hydroforming By: Gary Morphy, Contributing Writer Figure 1 Hydroformed Sheet Metal Part When designers and engineers consider how to manufacture structural parts, they may think about... Publish date: June 13, 2006
	A new use for hydraulic presses : Hardening crash-relevant body parts By: Andreas Kinzyk Because of the increased use of high-strength steel for automotive safety components, a metal forming process called press hardening has... Publish date: May 9, 2006
	Processes for hydroforming sheet metal : Part III: SHF-P and SHF-D case studies Editor's Note: This article is Part III of a three-part series that discusses various sheet hydroforming processes. Part I, which appeared in the... Publish date: April 11, 2006
	The heat is off : Why hydroforming makes sense in heat exchanger manufacturing By: Tom Driggers Figure 1 The heat exchanger shell requires forming numerous complex shapes in a short cycle time. The process of developing a... Publish date: March 7, 2006
	Tube Hydroforming Design Flexibility—Part IX: : Process Conditions, Equipment, and Conclusions By: Gary Morphy, Contributing Writer A common saying is that all good things must come to an end. I am not really sure why this must be true, and I certainly hope that there... Publish date: February 7, 2006
	Tube Hydroforming Design Flexibility—Part VIII: Dimensional Stability By: Gary Morphy, Contributing Writer Tubular automotive structures commonly have been made by joining several stamped parts with GMAW or spot welding, which achieves a... Publish date: June 14, 2005
	Tube Hydroforming Design Flexibility—Part VII: Holes By: Gary Morphy, Contributing Writer Cost, weight, performance, dimensional stability, and part count reduction are important considerations when determining if hydroforming a part... Publish date: February 8, 2005
	Forming advanced metals : Hydroforming dual-phase steel By: Maarten Kelder and Kevin Edgar, Contributing Writers While hydroforming is considered to be one of the enabling technologies that can deliver lightweight components, the technology faces... Publish date: December 7, 2004
	Tube Hydroforming Design Flexibility—Part VI By: Gary Morphy, Contributing Writer Editor's Note: This article is Part VI in a series about design flexibility in tube hydroforming. Please read Part I , Part II , Part III ,... Publish date: September 14, 2004
	Hydroforming tapered engineered tubes : Are they more formable than uniform-thickness tubes? By: Yingyot Aue-u-lan, Prashant Soman, Serhat Kaya, Chuck Smith, and Dr. Taylan Altan, Contributing Writers In tube hydroforming processes, tube is expanded by a high-pressure medium (usually water) until it fills a die cavity. Since the volume of tube... Publish date: June 8, 2004
	Part feature developments in hydroforming products : Hydroforming continues to make automotive inroads By: Gary Morphy, Contributing Writer Tube hydroforming technology continues to develop in ways that improve part utility, economy, and process robustness. Each advancement... Publish date: March 25, 2004
	Developments in hydroforming : International conference highlights new equipment, industry trends By: Dr. Stefan Wagner, Contributing Writer The demand for hydroformed products continues to grow around the world, and so does the demand for hydroforming knowledge. To serve the... Publish date: March 25, 2004
	Tube Hydroforming Design Flexibility—Part V By: Gary Morphy, Contributing Writer Editor's Note: This article is Part V in a series about tube hydroforming design flexibility. Please read Part I , Part II , Part III , Part... Publish date: February 26, 2004
	Hydroforming heats up : New techniques and equipment push industry forward By: Eric Lundin, Editor, TPJ-The Tube & Pipe Journal� Hydroforming at Higher Temperatures The majority of hydroforming knowledge is based on steel. Steel's characteristics make it a favorable choice... Publish date: January 13, 2004
	Tube Hydroforming Design Flexibility—Part IV By: Gary Morphy, Contributing Writer Editor's Note: This article is Part IV in a series about tube hydroforming design flexibility. Please read Part I , Part II , Part III , and... Publish date: October 23, 2003
	Eliminating final trim shearing of hydroformed tube By: Donald Godfrey, Scott Huth, and Murray Mason, Contributing Writers An alternative to trimming a tube to establish tube length is to form the tube in the preform operation to a geometry that is close to the... Publish date: October 9, 2003
	A survey of presses for hydroforming tubes, extrusions : Presses, accessories offer options for hydroformers By: Klaus Siegert and Matthias Aust, Contributing Writer The first parts hydroformed in Germany for the automotive industry were manifold components. The process provided both cost savings and... Publish date: October 9, 2003
	Making the most of hydroforming : Pursuing product potential and possibilities By: Klaus Heimerl and Ulrich Lücke, Contributing Writers Figure 1 To help ensure successful part development, it is necessary to establish a multitask project team. Designers, hydroforming... Publish date: September 25, 2003
	Tier 1 supplier builds four-stage competitive strategy By: Eric Lundin, Editor, TPJ-The Tube & Pipe Journal� F & P Manufacturing Inc., a Tier 1 automotive supplier, is no stranger to competitive and financial pressures. Unrelenting competitive... Publish date: July 24, 2003
	Examining the effects of push assist on the formability of aluminum tubes By: Ghafoor Khodayari Ph.D., and Michael Worswick, Ph.D., Contributing Writers A cold forming process, bending influences the tube's properties and consequently its formability in subsequent hydroforming. Because plastic... Publish date: July 10, 2003
	Dealing with internal pressure in free hydraulic bulging : Predicting results with FEA By: Atsushi Shirayori, Contributing Writer Finite element analysis (FEA) is a numerical process that treats a single item, such as a metal tube, as a large number of small,... Publish date: June 12, 2003
	Tube Hydroforming Design Flexibility—Part III By: Gary Morphy, Contributing Writer Editor's Note: This article is Part III in a series about tube hydroforming design flexibility. Please read Part I , Part II , Part IV , and... Publish date: April 24, 2003
	Fill'er Up : Using hydroforming to manufacture one-piece gas tank filler tubes By: Thomas Driggers, Contributing Writer Fuel filler tubes currently are manufactured from carbon steel tubing, which is expanded using mechanical forming techniques. The filler tube then... Publish date: March 27, 2003
	Pressure-sequence and high-pressure hydroforming: Knowing the processes can mean boosting profits By: Gary Morphy, Contributing Writer Closed-section structures have long been important in vehicle design. Typically, these have been assembled with several stampings,... Publish date: February 19, 2001
	Effective simulation of hydroforming: Current capabilities and requirements for the future By: Reimund Neugebauer, Matthias Putz,J�rg Leihkauf, and B. Schulze, Contributing Writers Simulation is used in the hydroforming process to replace the experimental investigation and tests required in a real tryout process. Simulation... Publish date: February 19, 2001
	Hydroforming on a budget By: Kevin Webb, Contributing Writer In today's business environment, characterized by cost-cutting measures and increasing competition, it can be difficult to justify spending money... Publish date: July 12, 2001
	Using hydroforming aluminum components versus steel stampings : The contender gains points, but the champion is still in the fight By: Daniel Hunter, Contributing Writer As the name implies, hydroforming is a metal forming process that uses water as a forming medium. In the case of tube hydroforming, a tubular... Publish date: November 15, 2001
	How material influences bending for hydroforming : Effects on ovality, springback, and wall thickness in tubes By: Ghafoor Khodayari Ph.D., Contributing Writer Figure 1: Aluminum-alloy and steel tubes were compared. Bending tube is an integral first step in many hydroforming applications. The... Publish date: January 10, 2002
	Designing a hydroforming press for research, production : Press accommodates sheet hydroforming By: Markus Erras, Contributing Writer Hydroforming machines--whether designed for sheet or tubular hydroforming--rely on fluid to form or shape metal blanks into finished or... Publish date: September 12, 2002
	Material property variations in tubes used for hydroforming : Using the hydraulic bulge test to determine formability By: Shrinivas Patil, Yingyot Aue-u-lan, and Taylan Altan, Contributing Writers Figure 1: A schematic view shows the three regions from which three strips of sheet are cut as raw material for manufacturing tubes.... Publish date: October 10, 2002
	Hydroforming a new front automotive structure : How new methods can rise to old challenges By: Gary Morphy, Contributing Writer Figure 1 Vehicle structures have evolved over the years in response to demands for improved performance, safety, cost reduction, and... Publish date: October 25, 2001
	Tube Hydroforming Design Flexibility—Part II By: Gary Morphy, Contributing Writer Editor's Note: This article is Part II in a series about tube hydroforming design flexibility. Please read Part I , Part III , Part IV , and... Publish date: October 10, 2002
	Hydroforming Y-shaped stainless steel exhaust components : How to select process parameters By: Suwat Jirathearanat, Christph Hartl, and Taylan Altan, Contributing Writers Today, an increasing number of automobile exhaust parts are being hydroformed. T-shapes (three-way connectors with a right-angled branch) and... Publish date: November 29, 2001
	Analyzing tubes, lubes, dies, and friction : Using tribology to evaluate lubricant-material combinations in hydroforming By: Ghafoor Khodayari Ph.D., Jean Reid Ph.D., and Mark Garnett, Contributing Writers Tribology—the study of friction between interacting parts—for hydroforming analyzes interactions among the hydroforming die,... Publish date: October 10, 2002
	Hydroforming of tubes, extrusions, and sheet By: Klaus Siegert, Markus Haeussermann, and Bruno Losch, Contributing Writer Hydroforming tubes, extrusions, and sheet metal is a state-of-the-art enterprise and is just now becoming more popular in the industrial... Publish date: May 15, 2001
	Hydroforming provides Rx for medical pumps : Fabriator adds economy to other benefits of titanium By: T.R. Balmer, Contributing Writer Figure 1: The pump housings Hudson produces for the three Arrow models are made of fully contoured and circular titanium to provide... Publish date: January 10, 2002
	Determining flow stress of tubes : Biaxial test provides better results for hydroforming By: Srikanth Kulukuru, Yingyot Aue-ul-lan, and Taylan Altan, Contributing Writers The conventional uniaxial tensile test often is used to determine the properties of tube material for hydroforming. However, a biaxial test is... Publish date: March 14, 2002
	Predicting failure in hydroforming prevent aluminum tubes: Strain variables require sophisticated analysis By: Nathan Dwyer, Contributing Writer Figure 1: Galling behavior is shown here as a function of draw depth and material gauge. Sheet metal stamping is one of many processes... Publish date: March 14, 2002
	Hydroforming of passenger car fuel tanks By: Taylan Altan, Contributing Writer Figure 1 Object Editor's Note: This column was prepared by Serhat Kaya, graduate research associate at the Engineering Research Center for... Publish date: October 24, 2002
	Successful tube hydroforming: Watching parameters, accurately simulating the process yield good results By: Taylan Altan and Suwat Jirathearanat, Contributing Writer 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... Publish date: June 15, 2001
	Hydroforming with end feeding By: Harry Singh, Contributing Writer Figure 1 Object Sections of tubular hydroformed components typically are developed to keep the section perimeter-the length of line... Publish date: August 16, 2001
	Hydroforming gains ground in Germany : Growth seen in high-volume automotive structural parts By: Klaus Vollrath, Contributing Writer Object "We started to use the hydroforming process for the production of structural parts in 1999, and our current timetable schedules an... Publish date: January 24, 2002
	The basic elements of tubular hydroforming By: Mustafa Ahmetoglu, Contributing Writer Tube hydroforming has been well-known since the 1950s. However, with recent advancements in computer controls and high-pressure hydraulic systems,... Publish date: March 5, 2001
	Tube Hydroforming Design Flexibility—Part I By: Gary Morphy, Contributing Writer Editor's Note: This article is Part I in a series about tube hydroforming design flexibility. Please read Part II , Part III , Part IV , and... Publish date: May 16, 2002

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