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forming presses

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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...
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Published: 01 August 2012
Fig. 13.2 Overview of blank holder force generating systems in sheet forming presses: (a) double-action and (b) single-action presses More
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Published: 01 February 2005
Fig. 23.15 Multiaction forming press with the dies and the forged gear [ Nakano, 1997 ] More
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Published: 01 August 2012
Fig. 15.4 Possible force sensor locations in a sheet metal forming press. Source: Ref 15.2 More
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...
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 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...
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Published: 01 February 2005
Fig. 11.26 Load-energy relationships in forming in a press. E p , energy required by process; L M , maximum machine load; E d , elastic deflection energy; d, press deflection. (a) With energy or load metering. (b) Without energy or load metering More
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Published: 01 February 2005
Fig. 11.28 Representation of slide velocities for mechanical and screw presses in forming a thick and a thin part. V b , V e = velocity at the beginning and end of forming, respectively. [ Altan et al., 1973 ] More
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Published: 01 February 2005
Fig. 23.12 Characteristics of press and accuracy of formed products [ Nakano, 1997 , and Ishinaga, 1996 ] More
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Published: 01 August 2012
Fig. 11.20 Press slide motion used in warm forming processes. The ram motion followed points 1 through 8. TDC, top dead center; BDC, bottom dead center. Source: Ref 11.16 More
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Published: 01 August 2012
Fig. 11.24 Round cups formed in a servo-drive press with heated tooling. Source: Ref 11.16 More
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Published: 01 October 2012
Fig. 8.46 Typical thermoforming (press forming) setup. IR, infrared. Source: Ref 8.18 More
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Published: 30 April 2020
Fig. 6.1 Schematic view of cold isostatic pressing, illustrating how a tube is formed by using a solid core rod and outer flexible mold. Compaction of the powder-binder granules occurs as pressure inside the chamber increases to values typically near 400 MPa (58 ksi). More
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Published: 30 April 2020
Fig. 6.14 Picture of the spiral detail that fits inside the extrusion press to form a rotating structure in the extrusion product More
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Published: 01 October 2012
Fig. 2.16 Typical setup for press brake forming in a die with a vertical opening. R , punch radius; r , die radius; s , span width; t , metal thickness. Source: Ref 2.15 More
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Published: 01 August 2012
Fig. 5.27 Tooling design for warm forming in a hydraulic press using gas ring burners. Source: Ref 5.13 More
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Published: 01 August 2012
Fig. 5.28 Tooling design for warm forming in a mechanical press using electric heating elements. Source: Ref 5.13 More
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Published: 01 August 2012
Fig. 5.30 Slide motion of the servo press in warm forming. TDC, top dead center; BDC, bottom dead center 1-2 Fast approach 2-3 Slower approach reduces impact and vibrations. Both tools are in contact at 3. 3-4 Dwell (heating of the blank) 4-5 Slower punch velocity for forming More
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Published: 01 August 2012
Fig. 6.24 Schematic of the press force and pad force required to form a part from dual-phase steels. Source: Ref 6.42 More