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press forming

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400129
EISBN: 978-1-62708-316-4
...Abstract Abstract This chapter discusses the design and application of sheet forming presses. The discussion covers critical variables and design parameters, key components, basic machine configurations, and energy and load requirements. The chapter also discusses time-dependent characteristics...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400161
EISBN: 978-1-62708-316-4
... and screw-driven servo presses and describes some of the innovations and improvements made possible with high-torque servo motors. The chapter provides examples of how servo presses are used in blanking, warm forming, and other applications and compares the operating characteristics of two 1100-ton presses...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740163
EISBN: 978-1-62708-308-9
...Abstract Abstract This chapter describes sheet metal forming operations, including cutting, blanking, piercing, and bending as well as deep drawing, spinning, press-brake and stretch forming, fluid forming, and drop hammer and electromagnetic forming. It also discusses the selection and use...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400203
EISBN: 978-1-62708-316-4
...Abstract Abstract This chapter describes the various types of cushion systems used in forming presses and their effect on part quality. It begins with a review of the deep drawing process, explaining that wrinkling, tearing, and fracture are the result of excess or insufficient material flow...
Book Chapter

By Eren Billur
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400181
EISBN: 978-1-62708-316-4
... are suited. The chapter goes on to describe the load, energy, and time-dependent characteristics of hydraulic presses and the factors that determine accuracy. It also explains how hydraulic presses are used for deep drawing, fine blanking, and hydroforming as well as warm forming and hot stamping operations...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500083
EISBN: 978-1-62708-317-1
... that affect heat transfer, die heating techniques, and press systems. It also discusses the effect of forming temperature, punch velocity, blank size, and other parameters on deep drawing processes, making use of both experimental and simulated data. aluminum alloys deep drawing die heating...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500107
EISBN: 978-1-62708-317-1
... with deformation processes such as stretching, bending, flanging, deep drawing, and blanking. It then describes the complex tribology of AHSS forming operations, the role of lubrication, the effect of tool steels and coatings, and the force and energy requirements of various forming presses. It also discusses...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280117
EISBN: 978-1-62708-267-9
... conditions. The chapter concludes with a detailed discussion on mechanically alloyed superalloy compositions, the product forms into which they are made, and some of the applications where they are used. extrusion gas atomization hot isostatic pressing powder metallurgy powder-based disk components...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500179
EISBN: 978-1-62708-317-1
... expansion and contraction, and sliding velocity, and how they influence friction, lubrication, and wear. The chapter also provides information on forming presses and tooling, tube hydropiercing, and the use of finite elements to determine optimal processing conditions and loading paths. finite element...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700177
EISBN: 978-1-62708-279-2
... on press energy, springback, residual stress, die wear, hot forming, downgaging limits, welding, binders, draw beads, and tool material wear. advanced high-strength steels automotive industry welding hot forming wear residual stress THE WIDESPREAD USE of advanced high-strength steels (AHSS...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480161
EISBN: 978-1-62708-318-8
... 8.5 ). Postsinter densification can also be achieved with a “soft” tooling method using a granular pressing medium around a sintered compact and conventional hot forging equipment. Beta flecks are a form of macrosegregation having relatively large, localized concentrations of beta-stabilizing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870183
EISBN: 978-1-62708-314-0
... slip during forming Fig. 6.6 Rubber block forming Fig. 6.7 Thermoforming press and composite parts Fig. 6.12 Typical tensioning methods Fig. 6.13 Diaphragm forming method for carbon/PEEK parts Fig. 6.14 Continuous compression molding Fig. 6.15...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130255
EISBN: 978-1-62708-284-6
... was observed at the press-formed ring location. Examinations (unetched) of the press-formed ring location were performed. Figure 39 , shows that in the unetched condition, there is no evidence of surface imperfections or inclusions that could be attributed to the cracking of the steel. Fig. 39...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040185
EISBN: 978-1-62708-300-3
.... , and Altan T. , “ Estimation of Forging Load in Closed-Die Forging, ” Battelle Columbus Laboratories , 1975 . [Schey et al.] Schey J.A., et al. , “ Metal Flow in Closed-Die Press Forming of Steel, ” Research Report to American Iron and Steel Institute, IIT Research Institute , Chicago...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230267
EISBN: 978-1-62708-298-3
...., Pergamon Press , London Powder metallurgical techniques for beryllium were first developed in 1946. Currently, powder metallurgy is the main processing route to produce beryllium components. The vacuum hot pressing method results in a fine-grained, machinable form of the material. The random...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120047
EISBN: 978-1-62708-269-3
... and geometry. The metal can is shaped to the desired configuration by state-of-the-art sheet metal methods. These include brake bending, press forming, spinning, and superplastic forming. Carbon steel is the best suited container material because it reacts minimally with titanium. It forms titanium carbide...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000167
EISBN: 978-1-62708-312-6
...-forming sequence, with a goal of increasing the final density and/or meeting dimensional requirements (including correction of any distortion that may have taken place during sintering). If enhancement of final density is the primary goal, then the operation is either called re-pressing or restrike...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.9781627083164
EISBN: 978-1-62708-316-4
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400089
EISBN: 978-1-62708-316-4
... applied in different stages. A thin film of prelubricant is usually applied on sheet metal at the rolling mill. This prelubricant exists as a liquid state or as dry-film on the coil. Most lubricants are applied on sheet metals before press forming. Lubricants also affect post-metal forming operations...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500073
EISBN: 978-1-62708-317-1
..., a series of fundamental forming operations are carried out at two or more stations during each press stroke as the strip of material moves through the die ( Fig. 4.1 ). There could be one or more idle stations where no forming operation is performed. These idle stations help the strip travel or simplify...