1-20 of 60 Search Results for

indirect rapid tooling

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980323
EISBN: 978-1-62708-342-3
... and are fitted with double-acting cylinders. The space-saving oil hydraulic double-acting cylinder offers advantages for both access and press maintenance. Usually, the die carrier and the tools for die changing are fitted with rapid-locking systems. Bayonet fittings, which enable the tool to be locked...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980001
EISBN: 978-1-62708-342-3
... extrusion , a stem, usually with a pressure pad in front, pushes the billet in a stationary container through a tool of the desired shape, the die. Relative movement takes place between the billet and the container. In contrast, in indirect extrusion , the die is located in front of a hollow stem...
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.t69980417
EISBN: 978-1-62708-342-3
...Abstract 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980195
EISBN: 978-1-62708-342-3
... has to be taken to ensure that the heat from the casting process, when combined with the deformation heat, does not result in excessive temperatures at high extrusion speeds in the deformation zone of the extrusion tooling. The solidus of the lead-tin eutectic at 183 °C has to be taken into account...
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 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980059
EISBN: 978-1-62708-342-3
.... The next section reviews principles, variations, thermal conditions, axial load calculation, material flow, and applications of direct extrusion and indirect extrusion, with examples provided for extrusion of aluminum and copper alloys. Next, the chapter focuses on the process principles, advantages...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500133
EISBN: 978-1-62708-317-1
... to approximately 107 million parts per year in 2007 ( Ref 7.5 ). There are two different methods of hot stamping: direct and indirect. Direct Method Indirect Method 7.1 Significant Process Variables 7.2 Material Flow and Process Simulation 7.3 Finite-Element Simulation of Hot Stamping 7.4...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500019
EISBN: 978-1-62708-317-1
..., excessive tensile strain on the outside surface may cause fracture. A sheet is bent by an imposed moment, by stretching over a cylindrical form, or by a combination of both moment and tension. In practice, bending angles up to 90° can be obtained easily. For larger bend angles, additional tooling including...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980141
EISBN: 978-1-62708-342-3
..., and the properties of the extruded section can be understood only from a metallurgical viewpoint. This chapter, therefore, explains the basic terminology of metallurgy—naturally in the context of the aims of this book—to provide the tools needed by those involved in extrusion. More detailed explanations can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260119
EISBN: 978-1-62708-336-2
... homogenization, and the cause of casting defects, including cracking and splitting, segregation, porosity, and grain growth. aluminum alloys billets casting casting defects The extrusion process consists of four major components, hydraulic press, die, tooling, and billet casting. In the previous...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060209
EISBN: 978-1-62708-355-3
.... The heating method used for hot tensile testing varies with the application. The most common heating techniques are direct-resistance heating (in the case of Gleeble systems) and indirect-resistance or induction heating with conventional load frames. In some cases, universal test machines may include...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.htpa.9781627083461
EISBN: 978-1-62708-346-1
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500157
EISBN: 978-1-62708-317-1
... information includes: Material cost Material density Scrap cost Rejection scrap rate Unplanned downtime Number of workers in stamping/hydroforming line Number of indirect workers in stamping/hydroforming line Tool-changing time Part-handling investment Line space Line...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740103
EISBN: 978-1-62708-308-9
... plug. Source: Ref 12 Fig. 38 Drawing with a floating plug. Source: Ref 12 Fig. 39 Drawing with a moving mandrel (the ironing process). Source: Ref 12 Fig. 34 Typical extrusion die assembly, showing relative positions of components in a tool carrier. Source: Ref 10...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.htpa.t53310167
EISBN: 978-1-62708-346-1
... simple formulas to be generally used in practical applications of the instrumental indentation test ( Ref 7 ). As a result of the rapid development of computer technology, the finite element method (FEM) can be applied in more detail to obtain, for any given geometry of the indenter and a specified...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240177
EISBN: 978-1-62708-251-8
... structure, is critical and may vary between slow furnace cooling to rapid cooling by quenching in water. Fig. 11.3 Effect of cooling rate on microstructure. Source: Ref 1 11.1 Annealing 11.2 Process Annealing and Stress Relief 11.3 Normalizing 11.4 Spheroidizing 11.5 Hardening...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460121
EISBN: 978-1-62708-285-3
... that are used in high-pressure cold spray coating characterization, including residual-stress characterization. The chapter includes some preliminary screening of tool hardness and bond adhesion strength, as well as a distinction between surface and bulk characterization techniques and their importance for cold...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260187
EISBN: 978-1-62708-336-2
... are illustrated in this section. The defect may also appear when the butt thickness is small compared with the diameter of the billet. Rapid radial metal flow ( Fig. 4b ) into the die results in the creation of axial holes, or funnels, in the back of the extrusion, especially in the case of heavy extrusion (low...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720001
EISBN: 978-1-62708-305-8
... to inspect the dimensions of a finished product. CMMs consist of the machine itself and its probes and moving arms for providing measurement input, a computer for making rapid calculations and comparisons based on the measurement input, and the computer software that controls the entire system. An example...