1-20 of 303 Search Results for

hydraulic pumps

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 Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006429
EISBN: 978-1-62708-192-4
... in several types of machines such as positive displacement pumps including hydraulic pumps, turbo-pumps including centrifugal pumps, vacuum pumps, and compressors including the positive displacement type and turbo type. wear fluid machineries fluid power systems friction lubrication hydraulic...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003570
EISBN: 978-1-62708-180-1
... shock waves, result in erosion of solid surfaces. Affected Systems and Materials Cavity formation and collapse in liquids have been studied extensively over the years ( Ref 5 , 6 ). Machines and components that suffer cavitation damage include hydraulic pumps, valves, hydroturbine runners...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005734
EISBN: 978-1-62708-171-9
... (fused), Cr 3 C 2 /NiCr PS, HVOF, HVAF, DG Pump case and impeller rings and sleeves, valve components, concrete pump and mixer parts, hydraulic rods, bushings and pins, hard chrome plate alternatives, cutting blades, paper pulp suction rolls, oil recovery parts in tar sand applications, directional...
Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006553
EISBN: 978-1-62708-210-5
..., milling machines, and grinding mills, and as hydraulic pump bushings. Aircraft landing gear assemblies, power shovels, and track rollers utilize solid aluminum bearings to withstand high-shock loads. Rolling mill bearings are cast of aluminum alloys to increase load and speed capability. Important...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005124
EISBN: 978-1-62708-186-3
... contains a hydraulic fluid cell ( Fig. 11 ). Fluid-cell bladders can be of neoprene or polyurethane composition. Hydraulic fluid is pumped into the cell, causing it to inflate or expand. The expansion creates the force needed to flow the rubber of the work pad downward, over and around the form block...
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
... of the die cavity Medium speed: Pressing capacities ∼50% of full-rated capacity, used during initial compaction when lower pressing force is required Slow speed: Maximum capacity available for final compaction Two types of hydraulic pumping systems are commonly found in PM presses: the high...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006432
EISBN: 978-1-62708-192-4
... be compared via a continuous observation of wear, which includes running-in and steady-state wear. A one-stop measurement without any information about the previous behavior will inevitably lead to wrong conclusions. Hydraulic Pump Wear—Wear Measurement with Radioactive Isotopes Produced in a Reactor...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006114
EISBN: 978-1-62708-175-7
... to high vibration and heavy service; hardened by heat treating FC-0208 or FN-0106; 6.4–6.8 g/cm 3 Medium high pressure 6.9–8.6 MPa (1000–1250 psi) for short intervals; hardened by heat treating FC-0208 type; 6.2–6.5 g/cm 3 General-purpose hydraulic pumps up to 10.3 MPa (1500 psi) continuous...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001230
EISBN: 978-1-62708-170-2
... that one of the driving forces for finishing methods is to achieve improved or closer tolerances. As an example, finished parts of closer tolerances in a hydraulic pump help to achieve higher pump efficiency, which results in improved power steering performance and thus enhances the quality...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002158
EISBN: 978-1-62708-188-7
..., variable-displacement, pressure-compensated hydraulic pump. Typical hydraulic pressures are adjustable to about 20 MPa (3 ksi). Intensifier The intensifier ( Fig. 2 ) is used to increase the water pressure up to 380 MPa (55 ksi). The hydraulic pressure is applied to the low-pressure cylinder...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003699
EISBN: 978-1-62708-182-5
...; electrical submerged-pump wells, which use multistage centrifugal pumps placed near the bottom of the well; and hydraulically pumped wells, which use positive-displacement pumps driven hydraulically by oil or water from a surface motor and pump. Gas Wells Most gas wells flow naturally. These include...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005107
EISBN: 978-1-62708-186-3
... for waterjet cutting. Intensifier Pumps Intensifier pumps create water pressures of 210 to 415 MPa (30 to 60 kpsi) and flow rates to 13 L/min (3.5 gal/min). A motor drives a hydraulic radial piston with an intensification ratio of 20 to 1; that is, the water pressure is twenty times the oil pressure...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005899
EISBN: 978-1-62708-167-2
... tandem with the Prodapt terminal. Along with the LCD monitor can be seen a master switch to tilt the furnace, push buttons and indicator lights to switch the furnaces and the hydraulic pumps on and off to actuate the hood, and an emergency-off push button for emergencies. The following programs...
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
... of the side. The air-friction clutch provides a cushioning effect that extends die life. Hydraulic Press-Brake Drive Systems Hydraulic press-brake drive systems ( Fig. 8 ) are relatively less complex than mechanical-drive press brakes. They are comprised of a motor, a pump, a valving system...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003177
EISBN: 978-1-62708-199-3
..., concentric-piston pump to provide a fast slide opening and closing speed. It also provides a slow working speed at high forming pressure. The principal components of a typical hydraulic press, shown in Fig. 3 , include a bolster plate attached to the bed to support the dies and to guide the pressure pins...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006484
EISBN: 978-1-62708-207-5
.... Alligator shears are so named because the hinged cutting motion is similar to that of an alligator. Only the top portion of the jaw moves during operation. Recent changes in the basic design include: Use of hydraulic rather than mechanical flywheel drives, which improves safety Addition of a hold...
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
... clamps. In contrast, the support framework was of a lighter construction in order to accommodate the motor drive, transmission, and other auxiliary equipment. Hydraulic Services The hydraulic circuit had a conventional layout, in that all services were supplied from a dual pump. A gear pump...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006405
EISBN: 978-1-62708-192-4
... (for friction), and Allison C-4 (for friction, oxidation, and wear). Industrial hydraulic fluids comprise three categories: antiwear hydraulic fluids, fire-resistant fluids, and rust- and oxidation-inhibited oils. The OEMs define the performance criteria for these lubricants. Each hydraulic pump...
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
... as the ram is withdrawn can be pressurized to improve hydraulic flow characteristics, but this is not mandatory. When the ram contacts the workpiece, the pilot-operated check valve between the ram cylinder and the reservoir closes, and the pump builds up pressure in the ram cylinder. Modern control systems...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003259
EISBN: 978-1-62708-176-4
... of the electric motor in combination with the design of the gear box transmission. Crosshead speed of hydraulic machines is limited to the capacity of the hydraulic pump to deliver a steady pressure on the piston of the actuator or crosshead. Servohydraulic test machines offer a wider range of crosshead speeds...