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rotary forging

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Book Chapter

Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003990
EISBN: 978-1-62708-185-6
..., machines, dies, advantages, and limitations of radial forging. It concludes with a discussion on the applications of radial forging. cold-forming radial forging rotary forging tubular components ROTARY FORGING, or orbital forging, is a two-die forging process that deforms only a small portion...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003183
EISBN: 978-1-62708-199-3
... on computer-aided design in the forging industry. Additionally, the article reviews specific characteristics, process limitations, advantages, and disadvantages of the most common forging processes, namely hot upset forging, roll forging, radial forging, rotary forging, isothermal and hot-die forging...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006078
EISBN: 978-1-62708-175-7
... ( Fig. 6 ) were manufactured by cold isostatic pressing/sintering/rotary forging from TiH 2 powder. The chemical composition of these Ti-6Al-4V bars meets the requirements of ASTM International and Aerospace Material Specification (AMS) standards ( Table 4 ). The mechanical properties of these PM Ti...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005849
EISBN: 978-1-62708-167-2
... on the various infeed billet handling systems such as bin tippers, elevator feeders, rotary feeders, vibratory bowl feeders, magazine loaders, and rod feeders. The article provides information on the main categories of billet feeding systems, namely, dual pinch roll drive assemblies, tractor drive assemblies...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006493
EISBN: 978-1-62708-207-5
... postforge operations such as trimming, forming, repairing, cleaning, and heat treatment. aluminum alloys closed-die forging forgeability forging equipment open-die forging roll forging rotary forging FORGING was among the earliest fabricating techniques applied to aluminum. The development...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003994
EISBN: 978-1-62708-185-6
... specific heat render it susceptible to die chill. Hammer forging minimizes the contact time between workpiece and die and can also maintain the forging temperature through adiabatic heating. Rotary forging machines using computer-controlled reduction schedules can maintain nearly isothermal conditions...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003996
EISBN: 978-1-62708-185-6
... Screw presses 150–260 300–500 Orbital (rotary) forging 150–260 300–500 Spin forging 150–315 200–600 Roll forging 95–205 200–400 Hydraulic presses 315–430 600–800 Forging Methods Aluminum alloys are produced by all of the current forging methods available, including open...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003989
EISBN: 978-1-62708-185-6
... on a forge with four dies, known as a rotary forge. Cogging continues to be applicable for converting ingot structure to billet structure in a wide variety of processes, and its scope continues to increase, as is indicated by its incorporation into the recent production of powder-based billets. Two...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.9781627081856
EISBN: 978-1-62708-185-6
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006125
EISBN: 978-1-62708-175-7
... the DBTT. Round products are made on traditional round-rolling mills and swaging machines, but in recent years have been produced using rotary forging machines as well. Rotary forges can handle larger input ingots than either swaging machines or most rolling mills, and they produce a unique...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004010
EISBN: 978-1-62708-185-6
... wheels with good precision and control ( Ref 6 , Ref 7 , Ref 8 , Ref 9 , Ref 10 ). These rotary-forging techniques require a die to define the final shape, and they use the local-contact mode of shaping to reduce the required press loads. Shaping of parts by roll forming with opposed rolls...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.9781627081863
EISBN: 978-1-62708-186-3
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003184
EISBN: 978-1-62708-199-3
... Forging Equipment The hammers, presses, upsetters, roll and ring forging machines, and rotary forging machines used in the forging of steel are also used in the forging of heat-resistant alloys, except that more power is needed for forging. Dies Because of the forces required for forging heat...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003998
EISBN: 978-1-62708-185-6
... rolling, roll forging, rotary forging, and mandrel forging are not commonly used in magnesium alloy forgings. These types of forgings must be developed specially for magnesium alloys. Open-Die Forging Open-die forging is a cost-effective process to obtain simple shapes. Usually the alloy is pressed...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005578
EISBN: 978-1-62708-174-0
... with an increase in axial pressure (known as forge force) to forge the parts together. Inertia friction welding (IFW) is a rotary friction welding process that employs a finite amount of stored energy in the form of a rotating flywheel. Figure 2 illustrates the process parameter relationships during...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005596
EISBN: 978-1-62708-174-0
...Abstract Abstract This article provides information on the practice considerations for the inertia and direct-drive rotary friction welding processes. It presents the tooling and welding parameter designs of these processes. The article discusses the welding of different material family classes...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004000
EISBN: 978-1-62708-185-6
... major variations in metal volume demands. Rotary (Orbital) Forging Rotary (orbital) forging is a variation of closed-die forging that is successfully used on titanium alloys for the manufacture of parts characterized by surfaces of revolution, such as turbine disks and other components with axial...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003178
EISBN: 978-1-62708-199-3
... in bending presses and in rotary bending machines. Roll Bending This variation uses three or more parallel rolls. In one arrangement using three rolls, the axes of the two bottom rolls are fixed in a horizontal plane. The top roll (bending roll) is lowered toward the plane of the bottom rolls to make...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003993
EISBN: 978-1-62708-185-6
... of methods, and two or more of these methods are often used in sequence. Forged superalloy components are produced by: Die forging (open-die or closed-die) Upsetting Extrusion forging Roll forging Swaging (or versions using proprietary rotary forging machines) Ring rolling Which...
Book Chapter

By Robert Bolin
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003982
EISBN: 978-1-62708-185-6
... is the process of axial closed die rolling (rotary or orbital forging). In this machine, a punched blank, solid disk or prerolled ring produced on conventional ring rolling equipment is worked between inclined-rotating dies. Annular forgings of very accurate dimensions, and in a range of complex cross sections...