1-20 of 331

Search Results for hydraulic drive systems

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
Image
Published: 01 January 2005
Fig. 17 Schematic of drive systems for hydraulic presses. (a) Direct drive. (b) Accumulator drive. More
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005113
EISBN: 978-1-62708-186-3
... on the two basic drive systems used in operating press brakes, namely, mechanical and hydraulic drive systems. The article also provides an outline on the tooling associated with press-brakes. hydraulic drive systems press brakes widening PRESS BRAKES ( Fig. 1 ) are a common and versatile type...
Image
Published: 01 January 2006
Fig. 9 Drive system of a hydraulic press brake More
Book Chapter

By Taylan Altan, Manas Shirgaokar
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003974
EISBN: 978-1-62708-185-6
... and design of its hydraulic drive system. The two types of hydraulic drive systems—direct drive and accumulator drive (see Fig. 19 in the article “Hammers and Presses for Forging” in this Volume)—provide different time-dependent characteristic data. In both direct and accumulator drives, a slowdown...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003177
EISBN: 978-1-62708-199-3
... information on the various drive systems and the auxiliary equipment. It describes the selection of die materials and lubricants for sheet metal forming and provides information on the lubrication mechanisms and selection with a list of lubricant types for forming of specific sheet materials of ferrous...
Book Chapter

By Taylan Altan, Manas Shirgaokar
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003973
EISBN: 978-1-62708-185-6
... The operation of a hydraulic press is simple and based on the motion of a hydraulic piston guided in a cylinder. Two types of drive systems are used on hydraulic presses: direct drive and accumulator drive ( Fig. 17 ). Fig. 17 Schematic of drive systems for hydraulic presses. (a) Direct drive. (b...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003263
EISBN: 978-1-62708-176-4
..., gearbox or hydraulic reducers, a flywheel, and a clutch and brake system. The torsion machine shown here uses a 2.2 kW induction motor and a drive train consisting of two planetary gear reducers and three gear pairs and is capable of providing 24 different rotational speeds in the range from 0.0115...
Book Chapter

By H.W. Sizek
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003984
EISBN: 978-1-62708-185-6
... a completely hydraulic machine. Fig. 5 Expanded cross section of hydromechanical ram. Courtesy of GFM GmbH In order to increase output, the hydromechanical machines are equipped with a variable stroke rate drive system. The stroke rate of the machine can be increased by a third through electronic...
Book Chapter

By Troy Robinson
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006034
EISBN: 978-1-62708-175-7
... press drive selection. Production Rate A mechanical press produces parts at a rate one and one-half to five times that of a hydraulic press as a result of inherent design of the energy transfer systems and stroke length. Operating Cost Operating cost of a hydraulic press is higher, because...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005112
EISBN: 978-1-62708-186-3
... system are given in Fig. 4 . Most press builders place these markings in a prominent position on the fronts of the presses. Fig. 4 Designations used for press identification under the JIC classification system Source of Power Power presses can have mechanical or hydraulic drives...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005849
EISBN: 978-1-62708-167-2
... a cylinder to push billets through the induction heating coil. This system most often is used with odd-shaped billets and round-corner square billets that cannot typically be fed from a pinch roll drive or tractor drive system. The pusher system can be either hydraulic or pneumatic, depending on the size...
Book Chapter

By E.D. Nicholas
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001382
EISBN: 978-1-62708-173-3
... of similar and dissimilar metal combinations to be joined. However, continuous-drive and stored-energy (inertia) friction-welding systems have not been as successfully exploited for the joining of long, hollow sections, where restrictions in the bore cannot be tolerated. The difficulties involved...
Book Chapter

By T.C. Lee, C.Y. Tang, L.C. Chan
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005110
EISBN: 978-1-62708-186-3
... clamping surfaces. Both mechanical and hydraulic systems are used for the main slide drive. The mechanical fine-blanking press ( Fig. 23 , Fig. 24 ) is notable for its sturdiness and operational reliability under the tough conditions of daily use. It is equipped with a “combination bed” for the tool...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006429
EISBN: 978-1-62708-192-4
... of the bearings and sealing parts of the components becomes very important and thus ‘tribology’ is the key technology. Tribology of Hydraulic Equipment To maintain the merits of hydraulic systems compared to electric drives in the speed of response, the system pressure is continuously increased. Here, we...
Book Chapter

By H.J. Latimer, R.B. Matteson
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001366
EISBN: 978-1-62708-173-3
... the: Initial burn-off region of linear flash Accelerating curve for the actual flashing profile Upset portion that causes the parts to be forged together after flashing Machines that are either larger or more complex use hydraulic cylinders to drive the movable platen and to incorporate hydraulic...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003183
EISBN: 978-1-62708-199-3
... actuating system ( Fig. 3 ) steam is admitted to the upper cylinder and drives the upper ram downward. Simultaneously, pistons connected to the upper ram act through a hydraulic linkage to force the lower ram upward. Because the weight of the lower ram and piston assembly is greater than that of the upper...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005153
EISBN: 978-1-62708-186-3
.... The controller typically drives two actuators, namely, a hydraulic actuator that regulates the force applied by the roll and a motor that regulates the speed of the roll. Thus, this control system can be viewed as a single-input, dual...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005578
EISBN: 978-1-62708-174-0
... process is a tightly coupled system that is composed of the following: One rotating component One nonrotating component Electric motor and flywheel (for inertia) or electric motor and continuous-drive characteristics (for direct drive) Axial load and hydraulic response characteristics...
Book Chapter

By Frank F. Kraft, Jay S. Gunasekera
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004006
EISBN: 978-1-62708-185-6
... Both horizontal and vertical presses are used in the hot extrusion of metals; however, horizontal presses are by far the most common. Most modern extrusion presses are driven hydraulically, but mechanical drives are used in some applications, such as in the production of small tubes. The two basic...
Book Chapter

By Derek E. Tyler, Richard P. Vierod
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005288
EISBN: 978-1-62708-187-0
... such as milling equipment, traveling shear, coiler, and die and track friction. Hydraulically amplified electric drives are used to achieve forces in the range of 40 to 80 kN (9000 to 18,000 lbf) while maintaining motion accuracy. The Wertli drive concept is designed to handle such forces and accelerations...