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Published: 01 December 1998
Fig. 32 Solid (one-piece) and open (two-piece) cold heading dies. (a) Solid die. (b) Open dies More
Image
Published: 31 December 2017
Fig. 12 Solid flat-face extrusion dies. (a) Die configuration. (b) Bearing length at Section XX in part (a). Source: Ref 8 More
Image
Published: 30 November 2018
Fig. 16 Press dies and tooling configurations in direct extrusion. (a) Solid die extrusion. 1: solid die; 2: backer and the supporting tool. (b) Three-piece solid die set with feeder plate. 1: feeder plate; 2: die; 3: backer. (c) Two-piece solid die with recess. 1: die; 2: backer. (d) Hollow More
Image
Published: 30 November 2018
Fig. 19 Solid flat-faced extrusion dies. (a) Die configuration. ID, inside diameter; CCD, circumscribing circle diameter. (b) Bearing length More
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Published: 01 January 2005
Fig. 15 Multistrand, solid-shape, aluminum extrusion dies. The view shows the billet side of the die. Courtesy of Aludie, Inc. More
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Published: 01 January 2005
Fig. 10 Cold-heading dies. (a) Solid (one-piece) and (b) open (two-piece) More
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Published: 01 January 2000
Fig. 11 Effect of contact area between dies and workpiece in forging a solid round billet. Source: Ref 1 More
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
... Abstract This article discusses the types and operations of the most common machines used for die threading. The construction, types, and comparison of solid and self-opening dies are discussed. The article explains the modification of chasers for threading Monel shaft. The principal factors...
Image
Published: 30 November 2018
Fig. 1 Deformation zone in extrusion or drawing solid section through a conical die. Rigid and plastic zones are illustrated; center-burst (chevron) cracking occurs when plastic zones do not meet. The same observations are also made in drawing flat sheet or plate through wedge-shaped dies More
Book Chapter

By J. Richard Douglas
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003980
EISBN: 978-1-62708-185-6
... may also be done using solid dies in more traditional forging presses or in electric upset machines that are designed to heat the bar end as part of the upsetting operation. Electric upsetting is covered in more detail in a later section of this article. Applicability Although hot upsetting...
Book Chapter

Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003990
EISBN: 978-1-62708-185-6
... Abstract Radial forging is a hot- or cold-forming process that uses two or more radially moving anvils or dies to produce solid or tubular components with constant or varying cross sections along their lengths. This article focuses on the workpiece configuration, workpiece materials, machines...
Book Chapter

By Pradip Saha
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
... and exit temperature, and their effect on product quality. The article also provides information on extrusion presses, press dies, and tooling, and addresses quality issues such as surface defects, blistering, and internal cracking. It concludes with a discussion on the drawing of solid section...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003183
EISBN: 978-1-62708-199-3
... a second set of inserts can be made while the first set is being used. Finally, more forgings can be made accurately in a die with inserts than in a solid die because steel of higher alloy content and greater hardness can be used in inserts than would be safe or economical to use in solid dies. Some...
Book Chapter

By Rajiv Shivpuri
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003975
EISBN: 978-1-62708-185-6
... of inserts can be made while the first set is being used. Finally, more forgings can be made accurately in a die with inserts than in a solid die, because steel of higher alloy content and greater hardness can be used in inserts than would be safe or economical to use in solid dies. However, some commercial...
Book Chapter

By Toby Padfield, Murali Bhupatiraju
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004004
EISBN: 978-1-62708-185-6
... headers have two dies. The punches in multistroke machines usually reciprocate so that each contacts the workpiece during a machine cycle. They are also further classified as open-die headers or solid-die headers, based on whether the dies open and close to admit the work metal or are solid. In single...
Book Chapter

By George Mochnal
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003992
EISBN: 978-1-62708-185-6
...” in this Volume). In shops in which special consideration is given to dies for stainless steel, small dies (for forgings weighing less than 9 kg, or 20 lb) are made solid from hot-work tool steel, such as H11, H12, or H13. For large dies, regardless of whether they are single or multiple impression, common...
Book Chapter

Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003997
EISBN: 978-1-62708-185-6
... concentrated on a pin. Such double-action dies are more expensive to build and to maintain than solid dies, and their use slows the production rate. Alloy Selection Draft angles have no effect on the relative forgeability of copper-base alloys. Any alloy that can be forged by conventional means can...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003983
EISBN: 978-1-62708-185-6
... increment in the next blow cycle. Some metal flow also occurs in the transverse direction, but it is restricted by the oval or side clearance in the dies (see Fig. 7 ). Fig. 3 Metal flow during swaging of a solid bar Feedback The action of the metal flowing against the direction of feed...
Book Chapter

By S. Lampman
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006526
EISBN: 978-1-62708-207-5
... Three basic types of dies for extruding aluminum are shown in Fig 1 . Solid dies are usually the most economical to make. Generally, a cavity is provided in each end so the die can be reversed when one end becomes cracked or worn. Fig. 1 Three types of dies used in the cold extrusion of aluminum...
Book Chapter

By Frank F. Kraft, Jay S. Gunasekera
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
... , Fig. 14 . Fig. 12 Schematic showing 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...