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closed die forging

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Published: 01 February 2005
Fig. 12.17 Illustration of closed-die forging with a rotary forging machine. 1, rotating upper platen; 2, workpiece; 3, lower die; 4, ejector More
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Published: 01 February 2005
Fig. 14.15 Schematic of a simple closed-die forging and forging stress distribution [ Subramanian et al., 1980 ] More
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Published: 01 October 2011
Fig. 6.12 Typical deformation sequence in closed-die forging of a rib-web part, showing how laps can be generated if preform geometry is selected improperly More
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Published: 01 August 2018
Fig. 11.54 Cross sections of parts produced by closed die forging. Fiber orientation is clearly visible. The fibers are not cut, indicating a good forging design. For improved visualization of the fibers after etching with hot hydrochloric acid, the visibility of the fibers is enhanced either More
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Published: 01 November 2013
Fig. 12 Closed-die forging with flash. (a) Schematic diagram with flash terminology. (b) Forging sequence in closed-die forging of connecting rods. Source: Ref 9 Definition In this process, a billet is formed (hot) in dies (usually with two halves) such that the flow of metal from More
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Published: 01 November 2013
Fig. 13 Closed-die forging without flash. Source: Ref 9 Definition In this process, a billet with carefully controlled volume is deformed (hot or cold) by a punch in order to fill a die cavity without any loss of material. The punch and the die may be made of one or several pieces More
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Published: 01 November 2013
Fig. 14 Typical multiple-impression hammer dies for closed-die forging. Source: Ref 10 More
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Published: 01 November 2013
Fig. 15 Metal flow and load-stroke curve in closed-die forging. (a) Upsetting. (b) Filling. (c) End. (d) Load-stroke curve. Source: Ref 10 More
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Published: 01 June 2008
Fig. 16.10 Open- and closed-die forging More
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Published: 01 February 2005
Fig. 2.2 Closed-die forging with flash. (a) Schematic diagram with flash terminology. (b) Forging sequence in closed-die forging of connecting rods More
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Published: 01 February 2005
Fig. 2.3 Closed-die forging without flash More
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Published: 01 February 2005
Fig. 6.3 Load-versus-displacement curves obtained in closed-die forging of an axisymmetric steel part (dimensions in inches) at 2012 °F (1100 °C) in three different machines with different initial velocities, V p,i . [ Altan et al., 1973 ] More
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Published: 01 February 2005
Fig. 10.3 Load versus displacement curves obtained in closed-die forging an axisymmetric steel part at 2012 °F (1100 °C) in three different machines with different initial velocities (V pi ). [ Altan et al., 1973 ] More
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Published: 01 February 2005
Fig. 14.9 Typical load-stroke curve for closed-die forging [ Altan et al., 1983 ] More
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Published: 01 February 2005
Fig. 15.1 Interaction of significant variables in closed-die forging process [ Nagpal et al., 1975 ] More
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Published: 01 February 2005
Fig. 16.1 Flow chart of modeling of closed-die forging [ Shen et al., 2001 ] More
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Published: 01 March 2002
Fig. 6.3 Closed-die forged Waspaloy nickel-base superalloy forging produced from “pancake” in Fig. 6.2 More
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Published: 01 August 2018
Fig. 11.55 Part of the longitudinal cross section of a tractor roll, closed die forged. The presence of fibers with narrow spacing indicates that the material used for the forging operation was a rolled or forged bar. The curves in the fibers indicate that the part was produced by closed die More
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Published: 01 April 2013
Fig. 1 Flow lines in closed die forged UNS G41400 steering knuckle revealed by cold deep acid etching with 10% aqueous HNO 3 (0.5×) and enhanced with inking. Source: Ref 1 More
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Published: 01 October 2012
Fig. 2.10 Types of aluminum closed-die forgings and tolerances for each. (a) Blocker type. (b) Conventional. (c) High definition. (d) Precision. Source: Ref 2.12 Characteristic Tolerance, mm (in.) Blocker-type Conventional High-definition Precision Die closure +2.3, –1.5 More