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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 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...
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 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...
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
... <xref rid="a0004000-ref5" ref-type="bibr">(Ref 5)</xref> Titanium Powder-Metallurgy (P/M) Materials Titanium Metal-Matrix Composites Design Criteria Tooling and Design Forging Processing Technology Development Effectiveness Die Materials Example 3: Increase in the Size of Fillets That Reduces Die Wear Die Design...
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
... conventional design versus hot-die design for the manufacture of a connecting link forging made of Ti-6Al-4V Fig. 18 Cost comparison between conventional design method versus hot-die design for the manufacture of an F-15 bearing support made of Ti-6Al-4V Fig. 5 Die stack and induction...
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
... of typical design limits for rib-web structural forgings of aluminum alloys (a) and nickel-base alloys (b). Dimensions given in millimeters Fig. 2 Influence of forgeability and flow strength in die filling. Arrow indicates increasing ease of die filling Fig. 3 Forging difficulty...
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
... tolerances for steel forgings Forging size Tolerance Area Weight Thickness (a) Mismatch (a) Die wear 10 3 mm 2 in. 2 kg lb mm in. mm in. mm in. 3.2 5.0 0.45 1 +0.79, −0.41 +0.031, −0.016 +0.41 to +0.79 +0.016 to +0.031 +0.79 +0.031 4.5 7.0 3.2 7 +1.57, −0.79...
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
... test. (a) Preform geometry. (b) Plan view, longitudinal section, and transverse section of forged plasticine wedge sample. Source: Ref 74 Fig. 39 Forging sequence of gridded lead billet used in physical modeling studies to establish the effect of die and preform design on the occurrence...
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
... +0.5 mm, −0.25 mm (+0.020 in., −0.010 in.) Die closure tolerance +0.75, −0.25 mm (+0.030, −0.010 in.) Mismatch tolerance 0.38 mm (0.015 in.) Flash extension 0.75 mm (0.030 in.) (a) Web thicknesses as small as 1.5 mm (0.060 in.) have been produced in certain forging designs...
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
... in.) Die-shift tolerance 1 mm (0.04 in.) max Die wear per surface 1.5 mm (0.06 in.) Straightness (TIR) 1.5 mm (0.06 in.) Flash extension 9.7 mm (0.38 in.) max (a) Also applicable to conventional forging of original design, except for fillet radius at flash saddle (see footnote (b...
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
... 36 3 16 (0.188) Typical decarburization limits for steel forgings Table 2 Typical decarburization limits for steel forgings Section size, in. Depth of decarburization, in. Less than 1 0.031 1–4 0.047 4–8 0.062 More than 8 0.125 Die-wear tolerances...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003097
EISBN: 978-1-62708-199-3
... at the extreme ends, which are not subjected to loading. In contrast, a corresponding specimen cut in the transverse direction has end-grain exposure at all points along its length. End grain is especially pronounced in the short-transverse direction on die forgings designed with a flash line. Consequently...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003973
EISBN: 978-1-62708-185-6
... hammer are shown in Fig. 3 . This equipment is used almost exclusively for closed-die (impression-die) forging. Some presses are equipped with a hydraulic control circuit designed specifically for precision forging (see the article “Precision Hot Forging” in this Volume). With this circuit...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003144
EISBN: 978-1-62708-199-3
... to produce castings Table 4 Nominal compositions of zinc-aluminum foundry and die casting alloys directly poured to produce castings and in ingot form for remelting to produce castings Alloy Composition, % Common designation UNS No. (a) Additions Impurities (c) Al Cu Mg Zn (b) Fe...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004021
EISBN: 978-1-62708-185-6
... upset rates. Source: Ref 33 Fig. 75 An example of optimal preform design in two-dimensional application. (a) Final forging shape without preform die. (b) Initial preform and final forging shape. (c) Evolved preform die shapes during optimization iteration. (d) Optimal preform and final...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005539
EISBN: 978-1-62708-197-9
... model. The article also covers material fracture and die stress analysis and reviews optimization of the design of forming processes. bulk forming carbon diffusion model cold forming deformation deformation model diffusion finite element method forging dies heat transfer properties heat...
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
... Table 2 General characteristics of bulk deformation processes Characteristic Deformation process Hot forging Hot extrusion Cold forging, extrusion Shape drawing Shape rolling Transverse rolling Open die Impression Part Material (wrought) All All All All All All All...
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
... A), to the lower die, at the right of (b) (detail B). See Example 1 . Dimensions given in inches. Fig. 5 Experimental box forging used in forging tests of titanium and other alloys, showing details of flash-cavity design for the width and length of the forging. Corrugated flash is shown in detail B. See...
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
...Composition of tool and die materials for hot forging Table 1 Composition of tool and die materials for hot forging Designation Nominal composition, % C Mn Si Co Cr Mo Ni V W Chromium-base AISI hot-work tool steels H10 0.40 0.40 1.00 … 3.30 2.50 … 0.50...
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
...-setting accuracy Die design Forging sequence Type of forging machine Required load and energy Forging machine stiffness Ram guidance During forging Workpiece temperature  Flow stress  Scale  Shrinkage Billet or preform volume Lubrication Die temperature Die wear...