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radial forging

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Book Chapter

By H.W. Sizek
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003984
EISBN: 978-1-62708-185-6
...Abstract Abstract Radial forging is a process performed with four dies arranged in one plane that can act on a piece simultaneously. This article explains the types of radial forgings and describes the advantages and disadvantages of radial forging over open-die cogging/forging. The article...
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
...Abstract Abstract Radial forging is a hot- or cold-forming process that uses two or more radially moving anvils or dies to produce solid or tubular components with constant or varying cross sections along their lengths. This article focuses on the workpiece configuration, workpiece materials...
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: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004024
EISBN: 978-1-62708-185-6
... shape process. The indirect rapid tooling technologies include 3D Keltool process, hot isostatic pressing, rapid solidification process tooling, precision spray forming, and radially constricted consolidation process. 3D Keltool process direct rapid tooling forging dies hot isostatic pressing...
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
... Radial forging machines, also referred to as rotary forging machines, are a modification of the traditional open-die press design that uses two sets of opposing dies, all of which apply deformation to the workpiece. Each pair of dies is arranged perpendicularly to the other as shown in Fig. 2 , which...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003992
EISBN: 978-1-62708-185-6
... round bars, blanks, hubs, disks, thick-wall rings, and square or rectangular blocks or slabs in virtually all stainless grades. Forged stainless steel round bar can also be produced to close tolerances on radial forge machines. Although open-die forgings may weigh in excess of 90,000 kg (200,000 lb...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003971
EISBN: 978-1-62708-185-6
... Hobbing Isothermal forging Nosing Open-die forging Rotary (orbital) forging Precision forging Metal powder forging Radial forging Upsetting Incremental forging Rolling Sheet rolling Shape rolling Tube rolling Ring rolling Rotary tube piercing Gear rolling...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003999
EISBN: 978-1-62708-185-6
..., grinding, and conditioning. If the ruptures are not removed, they may extend into the body of the part. Primary working methods and equipment vary from hydraulic press conversion to rotary forge conversion to rolling mill conversion. Figure 2 shows a radial forge converting superalloy material...
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
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
... increased productivity, improved product performance to put more shape into the tires before machining ensured the ring rolling technique a firm foothold in the forging industry. Early machines were radial-pass units only ( Fig. 5a ); that is, they used a single roll pair and controlled height...
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
.... The photographs show the complicated internal and external contours that can be roll formed. The cases were isothermally roll formed using axial-radial roll forming onto a high-strength Ni-base superalloy mandrel. In conventional forging or ring rolling processes, these types of geometries generally require...
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 Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.9781627081979
EISBN: 978-1-62708-197-9
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005506
EISBN: 978-1-62708-197-9
... in Annular Disk A second example is the thermal stresses that develop in an annular disk of uniform thickness due to a radial temperature gradient, as shown in Fig. 3 . This type of temperature profile, shown on the left side of the figure, is often observed in the cooling of castings and forgings...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009004
EISBN: 978-1-62708-185-6
... of contact between the punch and preform in the original preform design. The preform had a taper of 30° on the inside diameter. Fig. 32 Preform alternatives for forging the ball bearing outer race shown in Fig. 30 . (a) Back extrusion. (b) Compression and radial inward flow The primary...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000608
EISBN: 978-1-62708-181-8
... particles. SEM, 3000× Fig. 570 Surface of a fatigue fracture in a 200-mm (8-in.) diam piston rod of a steam hammer for forging. The rod was fabricated from 0.26C-0.70Mn-0.87Ni-1Cr steel and heat treated to a hardness of 24 HRC at the surface and 17 HRC at the center of the section...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003976
EISBN: 978-1-62708-185-6
... closed-die forging applications. (a) Abrasive wear with some indication of thermal-fatigue cracking in top blocker punch. (b) Abrasive wear with more prominent radial lines indicative of thermal-fatigue cracking (Finkl FX-2 dies) after 2000 forging blows. Courtesy of Dana Corp. Fig. 5 Hot...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004036
EISBN: 978-1-62708-185-6
... for shrinkage. Finish Flash for Radially Symmetrical Hammer and Press Forgings Dies for finish forging of radially symmetrical configuration are usually designed to provide flash of uniform size around the periphery of the forging. The design of flash for a radially symmetrical forging is relatively...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005461
EISBN: 978-1-62708-196-2
... a process to avoid fracture. Fig. 1 Sketches of processing defects form a basis for early models. (a) Forging or compression test specimen. (b) Extrusion. (c) Drawing. (d) Forging with no horizontal constraint at die surface Source: Ref 1 Physical Modeling Physical modeling of processes...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.9781627081962
EISBN: 978-1-62708-196-2