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hydraulic fluids

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Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001240
EISBN: 978-1-62708-170-2
... waste oil (i.e., engine, hydraulic, lubricating, and cutting oils) is not classified as a hazardous waste. Although this designation does encompass all types of cutting and grinding fluids, the fact that they are not generically listed as a hazardous waste does not mean specific spent fluids are not...
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
... Abstract Cutting fluids play a major role in increasing productivity and reducing costs by making possible the use of higher cutting speeds, higher feed rates, and greater depths of cut. After listing the functions of cutting fluids, this article then covers the major types, characteristics...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003177
EISBN: 978-1-62708-199-3
... Abstract This article describes the presses that are mechanically or hydraulically powered and used for producing sheet, strip, and plate from sheet metal. It also presents the JIC standards for presses, compares the presses based on power source, details the selection criteria and provides...
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
... fluid enters the cylinder, returning the upper and lower rams to their starting positions. The gas is recompressed by the floating pistons, and the gas seals at the lower edges of the drive pistons are reestablished. When the trigger is closed, the hydraulic pressure is released, the high-pressure gas...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003183
EISBN: 978-1-62708-199-3
... provide relative guidance between the moving upper and lower assemblies. After the blow, hydraulic fluid enters the cylinder, returning the upper and lower rams to their starting positions. The gas is recompressed by the floating pistons, and the gas seals at the lower edges of the drive pistons are...
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
... because oil is more compressible than a water emulsion. Approach and initial deformation speeds are higher in accumulator-drive presses. This improves hot-forging conditions by reducing die contact times, but wear in the hydraulic elements of the system also increases. Wear is a function of fluid...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005436
EISBN: 978-1-62708-196-2
... several disadvantages to this technique. As indicated previously, it is manually intensive, although some robotized applications have been implemented. Because hydraulic fluids are used to actuate the dies, contamination of the quenchant is a problem. This can cause a change in the cooling rate and...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003014
EISBN: 978-1-62708-200-6
... Abstract Injection molding is a process of forcing or injecting a fluid plastic material into a closed mold. The process generally has the advantages of being more readily automated and of permitting finer part details. Injection-molding compounds are thermoplastic or thermosetting materials...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003193
EISBN: 978-1-62708-199-3
..., standard marking systems, abrasives, and bonding types. It compares bonded wheel grinding with abrasive belt grinding. The article reviews the types of grinding fluids and discusses their importance in grinding operations. It describes the specific grinding processes and provides recommendations for...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0009017
EISBN: 978-1-62708-187-0
... an optimized gating system will be made easier by the application of several fundamental principles of fluid flow. The article illustrates the Bernoulli's theorem, the law of continuity, and the effect of momentum. Most casting alloys are subject to the presence of particles that can deleteriously...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003169
EISBN: 978-1-62708-199-3
..., separators, and flotation devices that are used for particle size reduction, separation of particles according to their settling rates in fluids and dewatering of concentrate particles. It explains the basic principles, flow diagrams, ore concentrate preparation methods, and equipment of major types of...
Book Chapter

Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004012
EISBN: 978-1-62708-185-6
... affecting die life and explains the effect of thread form on processing. It provides information on various fluids used in thread rolling to cool the dies and the work and to improve the finish on the rolled products. The article provides a comparison between thread rolling and cutting, as well as between...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005266
EISBN: 978-1-62708-187-0
... acceleration to optimize flow and force on the metal as it fills the cavity and solidifies. The variety in die casting systems results from trade-offs in metal fluid flow, elimination of gas from the cavity, reactivity between the molten metal and the hydraulic system, and heat loss during...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001276
EISBN: 978-1-62708-170-2
... compounds can also function as lubricants or drawing and forming compounds. For example, the MIL-L-6085 product acts as a lubricant for instruments and provides corrosion protection, whereas the MIL-H-6083 product is a hydraulic fluid that also must protect against corrosion. Table 1 Characteristics...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005318
EISBN: 978-1-62708-187-0
... volume flow ( Q ) attainable by the particular injection system and required by the die while keeping the dies closed during injection ( Ref 7 ). The model that has been developed for this purpose is called the P - Q 2 diagram ( Fig. 7 ). Typical of fluid flow, P in the metal and hydraulic system is...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001325
EISBN: 978-1-62708-170-2
... efficiency is discussed in the section “Application Equipment” in this article.) Primers supplied for military and commercial applications differ in that the latter must be resistant to the phosphate ester hydraulic fluid used in these aircraft. The densely cross-linked surface that is usually...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003143
EISBN: 978-1-62708-199-3
... hydraulic fluids used by commercial aircraft at elevated temperatures. This combination of properties has led to applications in the nacelle and exhaust areas of commercial aircraft. A modification of this alloy without aluminum, TIMETAL 21SRX, is being studied for prosthetic applications, as the modulus of...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.9781627081863
EISBN: 978-1-62708-186-3
Book Chapter

By Peter J. Blau
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003242
EISBN: 978-1-62708-199-3
...”—apparatus-specific measurement of wear D 2882 Test Method for Indicating Wear Characteristics of Petroleum and Non-Petroleum Hydraulic Fluids in a Constant Volume Vane Pump Mass loss D 2981 Test Method for Wear Life of Solid Lubricants in Oscillating Motion Number of revolutions to failure, as...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003194
EISBN: 978-1-62708-199-3
... by rapid spark discharges between an electrode and a conductive workpiece separated by a 0.0005–0.035 in. gap filled with dielectric fluid and metal particulates. The workpiece material is melted, vaporized in part, and expelled from the gap. Equipment Machine tool must be rigid to withstand high...