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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
... hammers, and computer-controlled hammers. It describes the three basic designs of high-energy-rate forging (HERF) machines: the ram and inner frame, two-ram, and controlled energy flow. The article reviews forging mechanical presses, hydraulic presses, drive presses, screw presses, and multiple-ram...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003974
EISBN: 978-1-62708-185-6
...Abstract Abstract This article discusses the significant factors in the selection of forging equipment for a particular process. It describes the characteristics of forging hydraulic presses, mechanical presses, screw presses, and hammers. The article discusses the significant characteristics...
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
... variables such as workpiece and die temperature, strain rate, and deformation mode. The article describes the relative forgeability of the ten most widely used aluminum alloys, and reviews common forging equipment, including hammers, mechanical and screw presses, and hydraulic presses. It also discusses...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003183
EISBN: 978-1-62708-199-3
..., screw-type, and multiple-ram). It further discusses the technologies used in the design of dies, terminology, and materials selection for dies for the most common hot-forging processes, particularly those using vertical presses, hammers, and horizontal forging machines. A brief section is included...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003021
EISBN: 978-1-62708-200-6
... with machine screws or bolts, nuts and washers, molded-in threads, self-threading screws, rivets, spring-steel fasteners, press fits, and snap fits. The article explains solvent bonding used for thermoplastic parts, and tabulates the solvent types used with various plastics. It also describes the surface...
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
... on a wide variety of forging equipment (see the section “Forging Equipment” in this article). The deformation or strain rate imparted to the deforming metal varies considerably, ranging from very fast (for example, ≥10 s −1 on equipment such as hammers, mechanical presses, screw presses, and high-energy...
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
... at 10/s strain rate compared to 4340 alloy steel at 27/s strain rate At the strain rate of 10/s in Fig. 1 , which is representative of a strain rate typical of a mechanical or screw press or other rapid-strain-rate forging equipment, the highly β-stabilized alloy Ti-13V-11Cr-3Al has the highest...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006080
EISBN: 978-1-62708-175-7
..., the contact time between the preform and die must be as short as possible. For this purpose, screw presses with a very stiff frame are widely used for powder forging. The screw press motion ensures rapid withdrawal of the forging punch from the die, and the stiff frame minimizes contact time between the part...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006017
EISBN: 978-1-62708-175-7
... by a series of operations. Platinum was precipitated in powdered form, slightly compressed in a crucible, and heated to white heat. The powder was then put in a steel matrix and put under pressure with a screw coining press. The compact platinum was repeatedly reheated and re-pressed until a solid ingot...
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
... the development of new types of metalworking equipment and new materials with special properties and applications. The new types of equipment have included mechanical and screw presses and high-speed tandem rolling mills. The materials that have benefited from such developments in equipment range from the low...
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
... and equipment are given. Characteristics of Forging Equipment The main types of equipment used in forging are hydraulic presses, mechanical presses, upsetters, screw presses, and forging hammers. In a hydraulic press, the ram moves slowly, giving rise to large amounts of die heating (because of long...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002143
EISBN: 978-1-62708-188-7
... millimeter (280 per inch) in rods 0.43 mm (0.017 in.) in diameter. At the other extreme three threads per 25 mm (three threads per inch) have been die cut into 610 mm (24 in.) pipe for the petroleum industry. Machines The machines most used for die threading are drill presses, manual turret lathes...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006501
EISBN: 978-1-62708-207-5
..., except for self-drilling screws Simple, user-friendly assembly technique; can even be portable or on-site Notched threads are susceptible to fatigue, fracture, and embrittlement Can join different materials, e.g., Al, Mg, Cu, Ti, steel, and carbon-fiber-reinforced plastic, including those...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003053
EISBN: 978-1-62708-200-6
..., dry pressing, cold isostatic pressing, slip casting, tape casting, roll compaction, extrusion, and injection molding. It describes the advantages, equipment and tooling, and material requirements of green machining, the machining of ceramics in an unfired state with the intent of producing parts...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006141
EISBN: 978-1-62708-175-7
... powders pressure-assisted consolidation reciprocating-screw machines sintering atmosphere solid state sintering tool design tooling THE PROCESS OF POWDER INJECTION MOLDING (PIM), of which metal injection molding (MIM) is the dominant segment, was first practiced in the U.S.A. in the early 1920s...
Book Chapter

By Mark Johnson
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002139
EISBN: 978-1-62708-188-7
... multiple-operation machines. Tapping machines are basically drill presses equipped with lead screws, tap holders, and reversing mechanisms. Lead Screws Lead screws or lead-control devices provide a means of regulating the desired feed rate during tapping. The amount of feed per revolution determines...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002480
EISBN: 978-1-62708-194-8
...) 100 3. Fasten screw 65 1. Set chassis 100 89 ∼0.5 Block 2. Bring down and press fit block 80 Source: Ref 3 Assembly-Oriented Product Design Some ten years after the introduction of the Hitachi AEM and the Boothroyd Dewhurst DFA methods, variations started to appear...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006429
EISBN: 978-1-62708-192-4
...) metal-metal contact during the pump delivery stroke, and (2) suction to delivery stroke. Courtesy of A. Yamaguchi, Yokohama National University, in A. Dias, Failure Analysis, Handbook of Hydraulic Fluid Technology , Second Edition, 2011 by CRC Press To solve these tribological problems...
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
... are often solid right circular cylinders. The pieces or sections of billet stock that are sectioned from a single billet length are often called multiples or mults. Examples of closed-die forging processes include: hammer forging, hydraulic press forging, screw press forging, and mechanical press forging...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002491
EISBN: 978-1-62708-194-8
... n n y n y y  Cold-press molding 1 0.15 30 3370 … … n n y y n n n n y y  Hot-press molding 5 0.75 30 3370 6.0 65 y n y y n n n n y y  High-strength sheet molding compound 4–10 0.60–1.5 30 3370 3.0 30 y y y y n n n n y y  Prepreg 0.5–5...