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hydroform process

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Published: 01 January 2006
Fig. 19 Flatiron shell that was formed by the fluid-cell process in a Hydroform press to preserve the surface finish. When this shell was drawn in conventional dies, an impact line was caused below the radius that was difficult to remove by buffing. Dimensions given in inches More
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005124
EISBN: 978-1-62708-186-3
... Abstract This article focuses on the three basic groups of flexible-die forming methods: rubber pad, fluid cell, and fluid forming. It provides information on the Guerin process, the Verson-Wheelon process, the trapped-rubber process, the Marform process, the Hydroform process, the SAAB process...
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Published: 01 January 2006
Fig. 4 Comparison of two methods of forming 2024-T4 aluminum into a conical die. (a) Schematic of the setup used in hydroforming and electrohydraulic forming. (b) Comparison of forming 2024-T4 sheet aluminum into a conical die using a hydroforming process (left) and using high-velocity More
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003425
EISBN: 978-1-62708-195-5
...-impregnated thermoplastics, and true thermoplastics. It describes the processing methods of thermoplastic composites, including weaving, seaming, autoclaving, preconsolidation, roll consolidation, roll forming/pultruding, thermoforming, press forming, hydroforming, and diaphragm forming. The article provides...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005127
EISBN: 978-1-62708-186-3
..., the process is typically carried out at room temperature, and it is a robust forming technique for almost any alloy, whereas superplastic forming can only be applied to a very limited set of materials at low strain rates. In comparison to hydroforming, because large forces and pressures in high-velocity...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005168
EISBN: 978-1-62708-186-3
... sheets. It explains testing procedures and analysis methods that are used to measure the relevant data needed to identify the material coefficients. The article describes the various formulations of finite element methods used in sheet metal forming process simulations. Stress-integration procedures...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0009154
EISBN: 978-1-62708-186-3
... of the processes Reduction of joining force Resistance to corrosion Hydro-Self-Pierce Riveting (HSPR) The manufacturing of complicated workpieces often requires medium-based forming processes, or hydroforming. Thus, some parts may be difficult to reach, that is, a few parts are inaccessible...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006527
EISBN: 978-1-62708-207-5
... and large-quantity production. Tubular Hydroforming Tubular hydroforming is an efficient way to create automotive components of complex shapes and with close tolerances. In this context, hydroforming of hollow sections is becoming an established manufacturing technology as a cost-effective process...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005100
EISBN: 978-1-62708-186-3
...  Vacuum forming Linear contouring  Linear stretch forming (stretch forming)  Linear roll forming (roll forming) Deep recessing and flanging  Spinning (and roller flanging)  Deep drawing  Rubber-pad forming  Marform process  Rubber-diaphragm hydroforming (fluid cell forming...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005151
EISBN: 978-1-62708-186-3
... forming options, such as tailor-welded blanks, sheet hydroforming, and superplastic forming, before making a feasible and cost-effective decision. Sheet Metal Forming Processes Sheet metal forming is one of the most important manufacturing processes in the automotive industry. Several different...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003419
EISBN: 978-1-62708-195-5
... pultrusion THE GREATER PART of the “Manufacturing Processes” Section in this Volume is devoted to widely accepted and commercially important manufacturing techniques for polymer composites, and it so happens that with one notable exception (compression molding), these techniques almost entirely rely...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005145
EISBN: 978-1-62708-186-3
... and the lubricants used in the forming processes of nickel and cobalt alloys are also discussed. The article summarizes the modification of tools and dies used for cold forming other metals, as the physical and mechanical properties of nickel and cobalt alloys frequently necessitate it. It discusses forming...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003500
EISBN: 978-1-62708-180-1
... root cause analysis service life anomalies stress analysis ANALYZING FAILURES is a critical process in determining the physical root causes of problems. The process is complex, draws upon many different technical disciplines, and uses a variety of observation, inspection, and laboratory...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006753
EISBN: 978-1-62708-295-2
... to fracture. Fracture surface is along top of micrograph. Outside-diameter surface is along right side of micrograph. Note slip banding (arrows) emanating from microcrack. Original magnification: 116 × The analysis revealed that during the hydroforming process, heavy biaxial strains were imparted...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004028
EISBN: 978-1-62708-185-6
... that the response of the aggregate to external loading varies depending on the direction along which the load is applied. In addition, in the course of metal deformation processes, the shear slip activity induces rotation of the crystal. As a consequence, texture—and with it anisotropy—evolves during plastic...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003397
EISBN: 978-1-62708-195-5
... success has been achieved in the application of toolless manufacturing processes to tool production. One example is SLS of epoxy-infiltrated metal molds ( Ref 29 ). Freeform fabrication may also be used to produce tools for a large number of “half-mold” processes including hydroforming, diaphragm forming...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002481
EISBN: 978-1-62708-194-8
...). Special Forming Processes Explosive forming is used for bulging or reducing tubes and for forming shapes similar to those produced by stretching. Electromagnetic forming has similar applications, primarily to tubular parts. Hydroforming of tubes utilizes internal pressure to expand the tube; axial...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005128
EISBN: 978-1-62708-186-3
... the Guerin process, which is today (2005) synonymous with the term rubber-pad forming (see the article “Rubber-Pad Forming and Hydroforming” in this Volume). Both the Guerin and Marform (which is a refinement of the Guerin process) processes use hydraulic pressure instead of a drop hammer as the forming...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005141
EISBN: 978-1-62708-186-3
... designed to simulate various production forming processes, including cup tests and bend tests, which help in determining these properties. It provides information on the equipment and tools, which are used in the forming of aluminum alloys. The article presents a list of lubricants that are most widely...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006423
EISBN: 978-1-62708-192-4
... Abstract Drawing is a process by which a workpiece is pulled against a die to produce a wire, bar, or tube with smaller cross sectional area compared with the initial stock. This article discusses the variables that affect the drawing process and the parameters that influence friction...