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mandrel

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Published: 01 January 2005
Fig. 8 Forging of tubular parts over (a) a short mandrel and (b) a long mandrel More
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Published: 01 January 2002
Fig. 20 A2 tool steel mandrel for a tube-expanding tool. Fracture originated at a 6.3-mm (0.25-n.) diam hole in the square end that was drilled by EDM. The fractograph shows a crack pattern on the fracture surface that originated at the hole. More
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Published: 01 January 2002
Fig. 47 AISI H13 mandrel used to pierce and extrude brass that failed after 298 pushes, about 30% of its expected life. The disk shown below, cut from the mandrel, was macroetched (10% aqueous nitric acid), revealing a heavily decarburized surface. The decarburization occurred during service. More
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Published: 01 August 2013
Fig. 4 Segments for coiling mandrel. Courtesy of ASB Industries, Inc. More
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Published: 01 January 1994
Fig. 1 Factors to consider in electroforming mandrel design. Source: Ref 2 More
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Published: 31 December 2017
Fig. 13 Seamless hollow extrusion using fixed-type mandrel. 1, die; 2, container with liner; 3, stem; 4, mandrel attached with stem; 5, hollow nose; 6, hollow billet; 7, seamless hollow extrusion. Source: Ref 9 . Reprinted with permission from the Proceedings of the Ninth International More
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Published: 31 December 2017
Fig. 14 Hollow type II extrusion dies and metal flow mechanisms. (a) Die mandrel with billet entry port. (b) Die and billet 1 are lined up with the press to start extrusion. (c) Control volume of a hollow die. (d) Weld seam formation model. (e) Weld seam configuration with the mandrel port More
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Published: 01 November 1995
Fig. 18 Extrusion die fitted with tapered cooling and sizing mandrel to produce either pipe or tubing. Source: Ref 1 More
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Published: 01 November 1995
Fig. 3 Divergent/convergent tooling. (a) Divergent. Mandrel moves up for a thinner parison and down for a thicker parison; used for large parisons. (b) Convergent. Mandrel moves down for a thinner parison and up for a thicker parison; used for small parisons. More
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Published: 01 December 1998
Fig. 2 Tube drawing without a mandrel (tube sinking). More
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Published: 01 December 1998
Fig. 5 Drawing with a moving mandrel (the ironing process) More
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Published: 01 November 1995
Fig. 16 Rotating mandrel used in Danner process More
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Published: 30 August 2021
Fig. 47 AISI H13 mandrel used to pierce and extrude brass that failed after 298 pushes, approximately 30% of its expected life. The disk, cut from the mandrel, was macroetched (10% aqueous nitric acid), revealing a heavily decarburized surface. The decarburization occurred during service. More
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Published: 30 August 2021
Fig. 31 Type A2 tool steel mandrel for a tube-expanding tool (dimensions given in inches). Fracture originated at a 6.3 mm (0.25 in.) diameter hole in the square end that was drilled by electrical discharge machining. The fractograph shows a crack pattern on the fracture surface More
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Published: 30 November 2018
Fig. 29 Blind rivets. (a) Drive pin. (b) Pull-through mandrel. (c) Open end, structural flush break mandrel self-plugging. (d) Closed end, nonstructural break pull mandrel. (e) Multigrip flush break positive lock pull mandrel More
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Published: 30 November 2018
Fig. 11 Sequence of operations for mandrel/saddle forging of a ring. (a) Preform mounted on a saddle/mandrel. (b) Reduction of preform thickness to increase diameter. (c) Progressive reduction of wall thickness to produce ring dimensions. (d) Machining to near-net shape. Source: Ref 5 More
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Published: 01 January 2006
Fig. 16 Tool for tube piercing without a mandrel, and a pierced tube showing the indentations around the holes More
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Published: 01 January 2006
Fig. 13 Schematic of expanding mandrel or punch forming of bellows More
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Published: 01 January 2006
Fig. 9 Photograph of a horizontal lathe, workpiece, and mandrel arrangement for spinning large-diameter (∼2 m, or 6.5 ft) cone- and dish-shaped components. Courtesy of Leifeld USA Metal Spinning, Inc. More
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Published: 01 January 2006
Fig. 12 Typical mandrel used for power spinning of cones. Generally, there are small bosses on the nose and tail for clamping in the tailstock and headstock, respectively. Dimensions given in inches More