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extrusion

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Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390284
EISBN: 978-1-62708-459-8
... Abstract This chapter deals with the mechanics and tribology associated with the extrusion of bars, sections, and tubes. It covers direct and indirect extrusion processes in detail and demonstrates the use of important equations, relationships, and measurements for determining pressure, force...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.tb.atia.t59340143
EISBN: 978-1-62708-427-7
... Abstract Aluminum shapes, rod, bar, tubes, and wire may be produced directly as extrusions or by subsequent processing of continuous cast stock. This chapter describes the key aspects of aluminum extrusion and wire production focusing on the more common hot extrusion process and presenting...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980059
EISBN: 978-1-62708-342-3
... Abstract This chapter opens with a discussion of the classification of rod and tube extrusion processes. The standard processes involve hot working (extrusion at temperatures above room temperature), but some specialized cold working processes are also used for rod and tube extrusion. The next...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980551
EISBN: 978-1-62708-342-3
... Abstract The aim of every extrusion plant is the efficient production of competitive products that meet the appropriate quality requirements. This chapter discusses the processes involved in the selection and introduction of a quality management system, along with its application, advantages...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260001
EISBN: 978-1-62708-336-2
... Abstract This chapter discusses the basic differences between direct and indirect extrusion, the application of plastic theory, the significance of strain and strain rate, friction, and pressure, and factors such as alloy flow stress and extrusion ratio, which influence the quality of material...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260029
EISBN: 978-1-62708-336-2
... Abstract This chapter provides an overview of the thermodynamics of extrusion. It begins by presenting a thermodynamic model of the extrusion process expressed in the form of finite difference equations. It then explains how the model accounts for multiple sources of heat generation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260055
EISBN: 978-1-62708-336-2
... Abstract This chapter covers the different types of extrusion presses in use, discussing their relative advantages, operating parameters, and selection factors. It describes the function of major components, including containers, stems, dummy pads, and die carriers, the maintenance they require...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260087
EISBN: 978-1-62708-336-2
.... die bearings die design extrusion extrusion dies Extrusion delivery, cost, and quality are three important factors in a competitive market. To meet quality requirements, the performance of the extrusion die is critical. Die performance impacts product quality, productivity, recovery...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260149
EISBN: 978-1-62708-336-2
... Abstract This chapter discusses the extrusion characteristics of relatively soft aluminum alloys. It begins by identifying alloy designations within the class and the types of extrusions made from them. It then explains how extruded shapes and cross-sections are defined and how to analyze...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260187
EISBN: 978-1-62708-336-2
... Abstract This chapter discusses the extrusion characteristics of hard aluminum alloys, particularly those in the 5000 and 7000 series. It begins with a review of two studies, one showing how the extrudability of 7 xxx alloys varies with the presence and amount of different alloying elements...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260213
EISBN: 978-1-62708-336-2
... Abstract This chapter provides guidelines on how to set up and run an effective quality-improvement program for aluminum extrusion operations. It begins by identifying production processes and variables that impact the quality of hard and soft alloy extrusions. It then presents a series...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.9781627083423
EISBN: 978-1-62708-342-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980323
EISBN: 978-1-62708-342-3
... Abstract The machinery and equipment required for rod and tube extrusion is determined by the specific extrusion process. This chapter provides a detailed description of the design requirements and principles of machinery and equipment for direct and indirect hot extrusion. It then covers...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980417
EISBN: 978-1-62708-342-3
... Abstract This chapter begins with a description of the requirements of tooling and tooling material for hot extrusion. It covers the processes of designing tool and die sets for direct and indirect extrusion. Next, the chapter provides information on extrusion tooling and die sets for direct...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.9781627083362
EISBN: 978-1-62708-336-2
Image
Published: 01 December 2003
Fig. 10 Extrusion processes. (a) Profile/sheet extrusion. (b) Blown film extrusion. (c) Construction arrangement of the plastication barrel of an extruder. 1, feed hopper; 2, barrel heating; 3, screw; 4, thermocouples; 5, back-pressure regulating valve; 6, pressure-measuring instruments; 7 More
Image
Published: 01 October 2012
Fig. 7.14 Extrusion processes. (a) Profile/sheet extrusion. (b) Blown film extrusion. (c) Construction arrangement of the plastication barrel of an extruder. 1, feed hopper; 2, barrel heating; 3, screw; 4, thermocouples; 5, back pressure regulating valve; 6, pressure-measuring instruments; 7 More
Image
Published: 01 December 2006
Fig. 1.1 Extrusion processes. (a) Direct extrusion. (b) Indirect extrusion. 1, extrusion; 2, die; 3, billet; 4, dummy block; 5, container; 6, stem; 7, dummy block with die; 8, sealing tool More
Image
Published: 01 January 2015
Fig. 10.15 Extrusion methods: forward extrusion (left) and backward extrusion (right) More
Image
Published: 01 February 2005
Fig. 17.18 General nomenclature for extrusion dies. (a) Rod/tube extrusion. (b) Can extrusion [ ICFG, 1992 ] More