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high-pressure coolants

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Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006363
EISBN: 978-1-62708-192-4
... cost. The cutting fluids and their effect on tool life are also discussed. The article discusses machining process dynamics and corresponding vibrations. It contains a table that provides a summary of high-pressure coolant research. machining cutting force metal cutting fluids high-pressure...
Book Chapter

By K. Subramanian
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002152
EISBN: 978-1-62708-188-7
.... Precision spindles and slides, rigid machine frames, accurate positioning methods, multiaxis computer numerical control (CNC) movement to achieve complex geometries with a high degree of accuracy, high-speed spindles, and high-pressure flow coolant systems are some of the features incorporated into grinding...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004164
EISBN: 978-1-62708-184-9
... The thermostat is a heat-operated valve that controls the amount of coolant that flows from the engine to the radiator. In cool weather or for light driving when maximum cooling is not needed, the thermostat is nearly closed. Pressure Cap Cooling systems are built to function at high temperature...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002151
EISBN: 978-1-62708-188-7
... to cut at grinding interface temperatures. Diamond and silicon carbide are harder than aluminum oxide, but when steel is ground under high pressures, a chemical reaction occurs that degrades these abrasives compared to the relatively chemically inert aluminum oxide. In a different vein, the chemical...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004148
EISBN: 978-1-62708-184-9
... coolant, whose typical temperatures and pressures are given in Table 1 . For all these industrial power plants, the temperatures range between 250 and 310 °C (480 and 590 °F), while high pressure (7 MPa, or 1 ksi, in boiling reactors to 15 MPa, or 2.2 ksi, in pressurized ones) is applied to obtain a high...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003189
EISBN: 978-1-62708-199-3
... the operations are not exceptionally severe. Extreme Pressure (EP) Additives Extreme pressure (EP) additives are added to fluids used for machining operations where cutting forces are particularly high, such as tapping and broaching, or for operations performed with heavy feeds. Chemical or EP additives...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006035
EISBN: 978-1-62708-172-6
... ). There is a closed primary circulation loop through the reactor vessel that is maintained at high pressure (15 MPa, or 2200 psi) to prevent boiling. Superheated steam at approximately 340 °C (650 °F) is sent to a steam generator where it transfers heat to a secondary coolant loop that feeds a turbine/generator unit...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003424
EISBN: 978-1-62708-195-5
... cartridge- type dust collection system providing capacity of 8.5 m 3 /min (300 ft 3 /min, or CFM, at an external static pressure of 7.5 kPa at 20 °C (30 in. H 2 O at 70 °F) with an overall efficiency of 99% down to a 0.5 μm particle size. Even with this high efficiency system, it is imperative to remain...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005267
EISBN: 978-1-62708-187-0
..., high-speed tool steel, and stainless steel. The gooseneck, plunger, and cylinder are always designed to allow easy replacement. Pressure Injection energy is produced by either hydraulic or pneumatic means. Injection pressure used for zinc die casting alloys usually ranges from 10.3 to 20.6 MPa...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004146
EISBN: 978-1-62708-184-9
... power reactors pitting pressurized water reactor high-strength stainless steels primary water circuits secondary water circuits steam generator denting external bolting corrosion primary circuit radiation fields A PRESSURIZED WATER REACTOR (PWR) is a type of nuclear reactor that uses...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002131
EISBN: 978-1-62708-188-7
... in.) hole had to be trepanned through 1020 steel. The cutting fluid was an EP-sulfurized mineral oil. Vertical application necessitated the use of large volumes of cutting fluid at high pressure to remove the chips from the hole. A 45 kW (60 HP) coolant pump was successfully used in the operation...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002150
EISBN: 978-1-62708-188-7
...); otherwise, its high pressure would cause a soft grade to wear too rapidly. Wheel grades should be chosen to balance applied pressure. Detailed information on grinding wheels is available in the articles “Grinding Equipment and Processes” and “Superabrasives” in this Volume. Fig. 7 Relating...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002186
EISBN: 978-1-62708-188-7
... and feeds. Machining time is reduced; therefore, fewer machines, less capital investment, less floor space, and lower labor and overhead costs are required to do the same job. The low cutting pressures and the high thermal conductivity of the metal result in rapid dissipation of heat. Tool life is increased...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002192
EISBN: 978-1-62708-188-7
... with machining are due to a combination of properties, including toughness and stringiness, abrasiveness, galling, work hardening, pyrophoricity, low modulus, high density, reactivity with coolants, reactivity with tools and grinding wheels, and toxicity. These properties vary with alloy composition and heat...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002189
EISBN: 978-1-62708-188-7
... for high-speed cutting operations. Slow speed and complex operations may require chlorinated or sulfurized oils to minimize frictional forces and the galling and seizing tendency of titanium. The best tool life in intermediate-speed operations may be obtained by using a good coolant containing a chemically...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004145
EISBN: 978-1-62708-184-9
...) of varying magnitudes; such piping systems include, for instance, the high- and low-pressure coolant injection (HPCI, LPCI), high- and low-pressure core spray (HPCS, LPCS), and the automatic depressurization system (ADS), which permits effective operation of the low-pressure emergency coolant systems...
Book Chapter

Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004221
EISBN: 978-1-62708-184-9
...) Solder bloom after just 22,000 miles of normal highway operation. See the article “Engine Coolants and Coolant System Corrosion” in this Volume. Fig. 25 Erosion-corrosion related to high coolant flow. (a) Radiator tank erosion on wall opposite inlet. (b) Tube narrowing causes increased...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001484
EISBN: 978-1-62708-173-3
... be used to join leads packages together for increased length. Cooling Cooling of PAC torches that operate at less than 150 A can be simply accomplished by properly channeling the gases used in torch operation. High-powered systems require a water-based coolant system, which consists of a reservoir...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003746
EISBN: 978-1-62708-177-1
... by resin bonding to the rim of a metal core. These blades are suitable for cutting very hard metallics, such as tungsten carbide, and nonmetals, such as high-alumina ceramics, dense-fired refractories, and metal-ceramic composites. Water-based coolants are used. Wafering Blades For precision cutting...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001232
EISBN: 978-1-62708-170-2
... and widths. Powders, Slurries, and Compounds Powders, slurries, and compounds are products in which the abrasive is delivered in a jet or in a liquid or paste configuration. When the abrasive is assisted by high-pressure water or air jet, the process is called abrasive jet machining. If the abrasive...