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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 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.t53400145
EISBN: 978-1-62708-316-4
... Abstract The load-displacement capabilities of a mechanical press are determined largely by the design of its drive mechanism or, more precisely, the linkage through which the drive motor connects to the slide. This chapter discusses the primary types of linkages used and their effect on force...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400161
EISBN: 978-1-62708-316-4
... Abstract This chapter discusses the design and operation of electromechanical servo-drive presses. It begins by comparing the operating flexibility of servo-press drives with that of their conventional counterparts. It then explains the difference between direct-drive and belt and screw-driven...
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
... Abstract This chapter discusses the design and operation of hydraulic presses. It begins by describing the role of each major component in a hydraulic system. It then explains the difference between pump-driven and accumulator-driven presses and the types of applications for which are suited...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040115
EISBN: 978-1-62708-300-3
... Abstract This chapter discusses the design and operation of forging presses and hammers. It covers the most common types of presses, including hydraulic, mechanical, and screw presses, explaining how they work and comparing and contrasting their load and displacement profiles, stroke lengths...
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Published: 01 August 2012
Fig. 9.25 Typical tube hydroforming (THF) presses used in THF. (a) Standard large-stroke press. (b) Short-stroke press with rapid ram motion, side cams for locking after the ram moves down, and the main cylinder that exerts the total press load to close the dies and keep them closed during More
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Published: 01 August 2012
Fig. 9.5 Straight-side presses. Adapted from Ref 9.1 More
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Published: 01 August 2012
Fig. 9.13 Different gib configurations used in presses. Reprinted with permission from Ref 9.1 More
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Published: 01 August 2012
Fig. 10.2 Common drive types of mechanical presses. Adapted from Ref 10.1 More
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Published: 01 August 2012
Fig. 10.5 Common drives for mechanical presses: (a) crank press, (b) link drive press, and (c) knuckle joint press. Source: Ref 10.9 More
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Published: 01 August 2012
Fig. 10.8 Classification of presses with respect to: (1) number of connecting rods, (2) positioning of drive shaft(s) and (3) location of drive. Adapted from Ref 10.13 More
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Published: 01 August 2012
Fig. 11.3 The flexibility of slide motion in servo-drive (or free motion) presses. Source: Ref 11.9 More
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Published: 01 August 2012
Fig. 11.4 Schematic of servo presses with high-speed/low-torque servo-motors (a) with belt and ball screw drive and (b) with ball screw and linkage drive. Source: Ref 11.9 More
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Published: 01 August 2012
Fig. 12.3 Hydraulic cylinders used in presses and corresponding International Organization for Standardization symbols: (a) single-acting cylinder, (b) spring-return cylinder, (c) differential cylinder, and (d) tandem cylinder. Source: Ref 12.5 , 12.11 , 12.13 , 12.14 More
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Published: 01 August 2012
Fig. 12.4 Hydraulic pumps commonly used in presses: (a) external gear pump, (b) International Organization for Standardization symbol for constant-displacement pump, (c) bent axis axial piston pump, and (d) International Organization for Standardization symbol for variable-displacement pumps More
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Published: 01 August 2012
Fig. 12.23 Presses for hydroforming: (a) conventional hydraulic press, (b) hydraulic clamping press, and (c) hydromechanical clamping press. Source: Ref 12.19 More
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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 November 2011
Fig. 8.12 Types of locknuts: (a) the upper half of a two-piece nut presses the collar of the lower half against the bolt; (b) a captive tooth washer provides locking with a spring; (c) ratchet teeth bite into a bearing surface; (d) a nylon insert flows around a bolt to lock and seal; and (e More
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Published: 01 December 2006
Fig. 6.24 Arrangements for indirect-extrusion presses More
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Published: 01 December 2003
Fig. 3 Extrusion presses. (a) Schematic of a horizontal extrusion press showing a hydraulically powered ram forcing the heated aluminum billet through the die. (b) Typical direct-drive hydraulic extrusion press. 1, hydraulic power unit; 2, tie rods; 3, butt shear; 4, extrusion platen; 5 More