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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
... Abstract Hammers and high-energy-rate forging machines are classified as energy-restricted machines as they deform the workpiece by the kinetic energy of the hammer ram. This article provides information on gravity-drop hammers, power-drop hammers, die forger hammers, counterblow hammers...
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
... close-tolerance forgings conventional forgings friction hammers heating equipment lubrication presses shape complexity trimming CLOSED-DIE FORGING, or impression-die forging, is the shaping of hot metal completely within the walls or cavities of two dies that come together to enclose...
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Published: 01 December 1998
Fig. 17 Production of six blocker-type forgings with loose tooling in hammers. Dimensions are in inches. More
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Published: 01 January 2005
Fig. 1 Principles of various types of gravity-drop hammers More
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Published: 01 January 2005
Fig. 4 Principles of operation of two types of counter-blow hammers More
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
... Abstract This article discusses the advantages and limitations of drop hammer forming and presents the key factors for determining a process plan. It describes the characteristics of hammers and presents information on tool materials. It explains the use of lubricants and preparation of blanks...
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Published: 01 January 2006
Fig. 20 Drop hammer forming showing oven next to the drop hammer More
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Published: 01 January 2006
Fig. 2 Schematic of an air-actuated power-drop hammer equipped for drop hammer forming More
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Published: 01 December 1998
Fig. 43 Air-actuated power drop hammer equipped for drop hammer forming More
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Published: 30 November 2018
Fig. 3 Swing-hammer shredder, also called a hammer mill. Source: Ref 4 . Reprinted with permission from Metso Corporation More
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003183
EISBN: 978-1-62708-199-3
... Abstract Forging machines use a wide variety of hammers, presses, and dies to produce products with the desired shape, size, and geometry. This article discusses the major types of hammers (gravity-drop, power-drop, high speed, and open-die forging), and presses (mechanical, hydraulic, screw...
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Published: 01 January 2002
Fig. 10 Fracture surface of a piece of glass broken by striking it with a hammer. Origin is at the lower left; the wavelike lines are Wallner lines. Optical microscope; reflected light; picture width ∼3 mm. Source: Ref 3 More
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Published: 01 January 2006
Fig. 18 Incremental hammering More
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Published: 01 January 2006
Fig. 29 Aircraft tailpipe half that was formed by the drop hammer and hydraulic press tooling setups shown. Dimensions given in inches More
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Published: 01 January 2006
Fig. 8 Effect of impact in forming stretch and shrink flanges by the drop hammer (or trapped-rubber) and Guerin processes. Dimensions given in inches More
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Published: 01 January 2006
Fig. 3 Smoothly contoured stainless steel part that was hammer formed in a die with a peripheral trap for holddown. Dimensions given in inches More
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Published: 01 January 2006
Fig. 4 Effect of forming temperature on the drop hammer formability of two titanium alloys More
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Published: 01 January 2005
Fig. 31 Aluminum alloy adaptor hook forgings. (a) Hammer or press forging of original design. (b) Precision no-draft press forging of revised design, produced in a segmented die. See Example 9. Dimensions in figure given in inches Item Revised forging Material Aluminum alloy 7075 More
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Published: 01 November 1995
Fig. 19 Fracture surface of a piece of glass broken by striking it with a hammer. Origin is at the lower left; the wave-like lines are tertiary Wallner lines. Optical microscope. 74×. Source: Ref 6 More
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Published: 01 December 1998
Fig. 1 Principal components of a board-drop hammer More