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bridge dies

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Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003429
EISBN: 978-1-62708-195-5
...Abstract Abstract This article discusses the dies, such as shear-face dies, conical-feed dies, and bridge dies, that are used in extrusion of particle-reinforced aluminum composites. It provides an overview of the effects of reinforcements on the properties of aluminum composites. shear...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006534
EISBN: 978-1-62708-207-5
... through a porthole or bridge dies. Direct presses could handle both round and rectangular billets separately. Direct extrusion presses are also designed for seamless hollow and tubes. Tubes from harder aluminum alloys are generally made from hollow, short billets with a floating or fixed mandrel...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005223
EISBN: 978-1-62708-187-0
... , 1996 4. Di Sabatino M. , “Fluidity of Aluminium Foundry Alloys,” NTNU Doctoral thesis, 2005 , p 185 5. Di Sabatino M. , Arnberg L. , Rørvik S. , and Prestmo A. , Mater. Sci. Eng. A , Vol 413–414 , 2005 , p 272 10.1016/j.msea.2005.08.175 6. Di...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004006
EISBN: 978-1-62708-185-6
... various extrusion process tooling, including a single-strand solid profile die. Source: Ref 3 Fig. 13 Different styles of aluminum extrusion dies for hollow profiles. Metal flow is from right to left through the die. (a) Porthole die. (b) Spider die. (c) Bridge die. Source: Ref 3 , 34...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006385
EISBN: 978-1-62708-192-4
... the extrusion load from die to the pressure ring Pressure ring Transmits the extrusion load from bolster to press platen and also prevents bolster from deflecting Die carrier/slide Holds the complete die set (die ring and bolster) in the press Bridge/spider/porthole die Special die to make a hollow...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005180
EISBN: 978-1-62708-186-3
... conventional press. Moving slides, fitted with suitable tools, strike the metal while it is supported on tools equivalent to dies, forcing it to assume the desired shape. The base of the multiple-slide machine is essentially a large steel table. A hole is provided near the center of the surface through which...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003207
EISBN: 978-1-62708-199-3
... in a straight line. Platens with T-slots or tapped holes are used for mounting the welding dies or electrodes. Rocker-arm machines generally are not used for projection welding because the electrode moves in an arc that can cause slippage between the components as the projection collapses. At the start...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003207
EISBN: 978-1-62708-199-3
.../forge welding process in which the items to be welded are securely clamped to electric current-carrying dies, heated by the electric current, and upset ( Fig. 9 ). Clamping ensures good electrical contact between the current-carrying dies and the workpiece and prevents the parts from slipping during...
Book Chapter

By Allan B. Dove
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001017
EISBN: 978-1-62708-161-0
... 0.048 18 1690–1970 245–285 1.37 0.054 17 1650–1930 240–280 (a) Other sizes are available. Regular spring wire Coating weights for galvanized bridge wire used as bridge strand, structural strand, bridge rope, and structural rope Table 9(a) Coating weights for galvanized bridge...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006320
EISBN: 978-1-62708-179-5
... the filling height of the mold at successive casting stages. These fault lines were bridged with wrought iron rods that were plunged into the solidifying surface of the iron from the previous pour and then covered in the next pour. Fig. 5 The iron lion of Cangzhou, cast in 953 A.D., is the largest (40...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001057
EISBN: 978-1-62708-162-7
... integrity, close dimensional tolerances, and consistently controlled mechanical properties in the upper range of existing high-strength capabilities for selected alloys and tempers. Extrusions are produced by forcing solid metal through aperture dies. Designs that are symmetrical around one axis...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006105
EISBN: 978-1-62708-175-7
... and discusses the roles of lubricant and compaction dies in pressing of copper powders. It explains the structural defects that originate during the compaction process of PM parts. The article also provides information on sintering, re-pressing, and re-sintering of copper PM parts. carbon brushes...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0009152
EISBN: 978-1-62708-186-3
... Metal Stamping Dies: How to Prevent Die Crashes with Sensors , Stamp. J. , Feb 2007 2. Doege E. , Meiners F. , Mende T. , Strache W. , and Yun J.W. , Sensors for Process Monitoring: Metal Forming, Chap. 4.2 , Sensors in Manufacturing , Tonshoff H.K...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002123
EISBN: 978-1-62708-188-7
...Abstract Abstract Cast cobalt alloys were developed to bridge the gap between high-speed steels and carbides. Although comparable in room-temperature hardness to high-speed steel tools, cast cobalt alloy tools retain their hardness to a much higher temperature and can be used at higher cutting...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005164
EISBN: 978-1-62708-186-3
... determinants of the formability of a coated product, coatings do have an effect on the forming process and must be taken into account when designing parts, dies, and forming strategies. Not only do the surface coatings affect the lubricity at the die/part interface, the forming process must be carried out...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006499
EISBN: 978-1-62708-207-5
... immersed in a neutral electrolyte employing alternating current bridge techniques. They found that unsealed anodic coatings showed a resistance of 20 to 25 Ω/cm 2 , whereas the resistance increased to 4000 Ω/cm 2 after 30 min of sealing. Additionally, they showed a resistance of 100,000 Ω/cm 2...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004168
EISBN: 978-1-62708-184-9
...Abstract Abstract Bridges and highways are core components of transportation system and range from pavements with earth, gravel, or stone covered by a thin bituminous surface course to a continually reinforced Portland cement concrete (PCC) roadway with or without a bituminous wear course...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005100
EISBN: 978-1-62708-186-3
... Abstract Abstract Sheet forming comprises deformation processes in which a metal blank is shaped by tools or dies, primarily under the action of tensile stresses. This article discusses the classification of sheet-forming processes for obtaining desired dimensional features. It describes different...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003095
EISBN: 978-1-62708-199-3
... of 290 MPa (42 ksi) A 709 Carbon, alloy, and HSLA steel plates, bars, and shapes for bridges Alloy steel A 710 Age-hardening low-carbon Ni-Cu-Cr-Mo-Nb and Ni-Cu-Nb alloy steel plates, bars, and shapes High-strength low-alloy (HSLA) steels A 131 (c) See above under “Carbon steels...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003988
EISBN: 978-1-62708-185-6
... to the measuring screen of the magnetic bridge comparator. See text for details. Fig. 24 Effect of sulfur and carbon on the ultimate tensile strength of iron-copper-carbon alloys. Samples were upset forged and forced-air cooled. Fig. 19 Forging modes used in production of billets for mechanical...