Hydroforming Articles

Hydroforming isn't as mysterious as it seems. This technology area is full of articles, including case studies, on hydroforming sheet metal and tubular sections.

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Hydroforming gains ground in Germany

January 24, 2002

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This article examines hydroforming in Germany, focusing on the advancement of the technology. It specifically discusses growing automotive uses, a new type of hydroforming press, material quality requirements, cost factors, new testing methods, and simulation software.

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How material influences bending for hydroforming

January 10, 2002

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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.

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Hydroforming provides Rx for medical pumps

January 10, 2002

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This article relates how a Florida-based company used hydroforming to produce titanium housings for implantable pumps for a Massachusetts-based manufacturer.

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Hydroforming Y-shaped stainless steel exhaust components

November 29, 2001

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T-shapes and Y-shapes are the most commonly hydroformed exhaust system components for automobiles. This article reports on the investigation into the metal flow in Y-shape hydroforming by the Engineering Research Center for Net Shape Manufacturing (ERC/NSM) at The Ohio State University, which conducted several experiments using the tooling available at the SPS research center in Aalen, Germany.

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Using hydroforming aluminum components versus steel stampings

November 15, 2001

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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.

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Hydroforming a new front automotive structure

October 25, 2001

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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.

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Hydro bulge forming figure 1

Hydroforming with end feeding

August 16, 2001

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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.

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Hydroforming on a budget

July 12, 2001

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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.

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Successful tube hydroforming: Watching parameters, accurately simulating the process yield good results

June 15, 2001

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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).

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Hydroforming of tubes, extrusions, and sheet

May 15, 2001

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Recent advances at the University of Stuttgart and acfross the industry have opened doors for hydroforming all kinds of materials and shapes.

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The basic elements of tubular hydroforming

March 5, 2001

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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 weight, overall costs, and the number of parts per vehicle.

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Pressure-sequence and high-pressure hydroforming: Knowing the processes can mean boosting profits

February 19, 2001

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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.

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Effective simulation of hydroforming: Current capabilities and requirements for the future

February 19, 2001

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Simulation is used in the hydroforming process to replace the experimental investigation and tests required in a real tryout process.

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