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forging die design

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Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003991
EISBN: 978-1-62708-185-6
... Abstract This article focuses on the forging behavior and practices of carbon and alloy steels. It presents general guidelines for forging in terms of practices, steel selection, forgeability and mechanical properties, heat treatments of steel forgings, die design features, and machining...
Image
Published: 01 January 2005
Fig. 10 Sectional view of die sets designed to produce forgings with broken parting lines. Flash cavities are not shown More
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
... Abstract This article examines aluminum forging processes, including open-die, closed-die, upset, roll, orbital, spin, and mandrel forging, and compares and contrasts their capabilities and the associated design requirements for forged parts. It discusses the effect of key process variables...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003985
EISBN: 978-1-62708-185-6
... selection considerations, design guidelines, alloy types and selection, and the advantages and disadvantages of hot-die forging and isothermal forging. The article discusses the application of the finite-element analysis modeling to design. finite-element analysis forging parameters hot-die forging...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003979
EISBN: 978-1-62708-185-6
... Abstract This article provides an overview of the capabilities of closed-die forging. One of the most important aspects of closed-die forging is proper design of preforming operations and of blocker dies to achieve adequate metal distribution. The article describes the effects of friction...
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: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001021
EISBN: 978-1-62708-161-0
... as related topics; including stress-induced fatigue failure, tolerances, machining allowances; and the fundamentals of hammer and press forgings, hot upset forgings, and hot extrusion forgings. closed-die forgings design stress calculations hot extrusion forgings hot upset forgings machining...
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
..., heat treatment, and inspection. The article presents a discussion on titanium alloy precision forgings and concludes with information on the forging of advanced titanium materials and titanium aluminides. cleaning die heating forgeability forging forging design forging equipment forging...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009005
EISBN: 978-1-62708-185-6
... Abstract Workability in forging depends on a variety of material, process-variable, and die-design features. A number of test techniques have been developed for gaging forgeability depending on alloy type, microstructure, die geometry, and process variables. This article summarizes some common...
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
... Abstract This article begins with discussion on forgeability and the factors affecting the forgeability of aluminum and aluminum alloys. It describes the types of forging methods and equipment and reviews critical elements in the overall aluminum forging process: die materials, die design...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004033
EISBN: 978-1-62708-185-6
..., composition of the forging alloy, and factors associated with die filling and producibility, on vertical and horizontal corners and fillets. It reviews the design of corners and fillets to satisfy the requirements of metal flow in forging and cost considerations arising from usage and removal of metal...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004035
EISBN: 978-1-62708-185-6
... for closed-die forgings presented in the remainder of this article represent those commonly used and recommended by both forging producers and users. Forging tolerances applied to actual forgings are cited in various examples in the preceding articles in this section of this Handbook that describe design...
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
... the cavity in which the workpiece is forged, thereby permitting closure of the mating faces of the die blocks. The flash depression can be in either die or in both dies. Provision for the formation and retention of flash must be incorporated in the design of the dies. Because of its intrinsic relation...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003097
EISBN: 978-1-62708-199-3
... forgings. It provides an overview of the mechanical properties of wrought materials. The article also includes information on the fundamentals of hammer and press forgings and the design of hot upset forgings. closed-die steel forgings hot metal hot upset forgings material selection criteria...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003975
EISBN: 978-1-62708-185-6
... in the Selection of Die Materials” in this article). Die design is also important in ensuring adequate die life; poor design can result in premature wear or breakage. Composition of tool and die materials for hot forging Table 1 Composition of tool and die materials for hot forging Designation...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003981
EISBN: 978-1-62708-185-6
... through which the workpiece is passed sequentially to forge the desired shape. The roll dies are of three types: flat back, semicylindrical, and fully cylindrical ( Fig. 6 ) and are selected according to the design and manufacturer of the machine. Fig. 5 Roll die with two impressions Fig. 6...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004038
EISBN: 978-1-62708-185-6
... engine loads to other structural elements. Weight of the finished fitting was only 35 kg (77 lb); weight of the forging was 135 kg (300 lb). (An open-die prototype forging weighed 360 kg, or 800 lb.) In large part, the strength and rigidity achieved in this fitting are the result of judicious design...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003986
EISBN: 978-1-62708-185-6
... of forgings Table 1 Variables that influence the accuracy of forgings Before forging Workpiece material Workpiece size Workpiece shape Die-making accuracy Die-measuring accuracy Die cavity surface Elastic die deformation Die-setting accuracy Die design Forging sequence...
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
... modeling (FEM), now can be used to evaluate die geometries. In the past, the design process (like that for other forging processes) was basically one of trial and error. A set of dies would be constructed and tested for each part not previously produced by rotary forging in order to determine whether...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004034
EISBN: 978-1-62708-185-6
... forging is concerned with such drafted workpieces. Although the surfaces of die cavities normally are polished and lightly coated with a lubricating film, the absence of draft, or of sufficient draft, causes the forging to stick in the dies, making removal difficult. In contrast, workpieces designed...