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vibrating fluid

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390064
EISBN: 978-1-62708-459-8
... Abstract This chapter reviews the basic theory of lubrication in the context of metal forming applications. It discusses the rheological properties of fluids and their effect on fluid-film thickness at pressures, temperatures, and loading conditions typical of metal working processes...
Image
Published: 31 March 2024
Fig. 2.2 (a) Schematic diagram of a typical noncontacting displacement transducer installation. (b) Relatively light shaft turning in fluid-film bearings transmits little vibration to the machine housing. Its vibration must be measured directly with a displacement transducer. More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 31 March 2024
DOI: 10.31399/asm.tb.gvar.t59360043
EISBN: 978-1-62708-435-2
... vibration amplitudes of gearbox internal components, proximity-type probes are preferred. Fig. 2.2 (a) Schematic diagram of a typical noncontacting displacement transducer installation. (b) Relatively light shaft turning in fluid-film bearings transmits little vibration to the machine housing. Its...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 March 2024
DOI: 10.31399/asm.tb.gvar.t59360001
EISBN: 978-1-62708-435-2
.... The magnitude of excitation forces in high-speed gearboxes is significantly higher and the effects are much more complex. High-speed gearboxes are also subject to vibration due to rotodynamic instability induced by fluid flow and the whirling of shafts running close to their critical speeds. Another issue...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 March 2024
DOI: 10.31399/asm.tb.gvar.t59360121
EISBN: 978-1-62708-435-2
... Abstract This chapter presents guidelines for reducing gearbox vibration, with an emphasis on design factors that play major roles in influencing vibration. gearbox design gearboxes vibration reduction A GREAT DEAL OF DISCUSSION has been presented in previous chapters on the design...
Image
Published: 01 September 2005
Fig. 26 Setup for grinding a thin-web gear. Damper plates prevent excessive vibration. Dimensions in figure given in inches Gear details Type Involute spur Number of teeth 63 Diametral pitch 12 Pressure angle 20° Tolerance  Involute error, mm (in.) 0.005 More
Series: ASM Technical Books
Publisher: ASM International
Published: 31 March 2024
DOI: 10.31399/asm.tb.gvar.9781627084352
EISBN: 978-1-62708-435-2
Series: ASM Technical Books
Publisher: ASM International
Published: 31 March 2024
DOI: 10.31399/asm.tb.gvar.t59360051
EISBN: 978-1-62708-435-2
..., unbalance, misalignment, and mechanical looseness. Gear Tooth Backlash High backlash produces high vibrations. This is particularly true for gear shafts supported on fluid-film bearings. High backlash also induces gear rattle, which may contribute to the overall vibration of a gearbox. Ghost...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030117
EISBN: 978-1-62708-282-2
...: Ref 8 Fretting corrosion has been a continuing problem in nuclear reactors. The condition is found on heat-exchanger tubes and on fuel elements. In both cases, long, flexible tubes are in contact with support surfaces and subjected to vibrations generated by fluid flow as the coolant flows...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390241
EISBN: 978-1-62708-459-8
... discusses the use of vibrating dies, the influence of surface finish and defects, and lubrication practices for specific materials. die design die wear draw forces drawing lubricants drawing processes fixed plug drawing floating plug drawing hydrodynamic lubrication lubricant breakdown...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610461
EISBN: 978-1-62708-303-4
... can be characterized by a single key word: cutting . Abrasive wear occurs when hard particles suspended in a fluid or projections from one surface roll or slide under pressure against another surface, as shown in Fig. 1 , thereby cutting the other surface. Indeed, machining would fall...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630189
EISBN: 978-1-62708-270-9
... can be visualized by studying Fig. 12 , considering that the events shown occur in microseconds. The frequency for a specific application depends on the vibration frequency of the parts involved or flow rate of the fluid across the surface. Fig. 12 Mechanism of cavitation pitting fatigue...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030235
EISBN: 978-1-62708-282-2
...; negligence Consult experts and test work; records of operation; records of failure mode/frequency Stand-by units in good repair; storage; handling; vibration, impact, wear, etc. Misreading of instructions; sequence of controls (hypnosis?); adequate housekeeping; user attitudes Proving the design; variables...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480293
EISBN: 978-1-62708-318-8
... vary from those described here. Machinability Factors affecting the machinability of metals include tool material, tool geometry, cutting fluid, machine settings, and the properties of the workpiece material ( Ref 13.1 – 13.16 ). The machinability of a metal affects machining costs from...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630169
EISBN: 978-1-62708-270-9
... solutions mentioned may or may not be effective, depending on the circumstances of the particular wear problem. Now let us look more closely at the characteristics of the major categories of abrasive wear. Erosive Wear Erosive wear (or erosion) occurs when particles in a fluid or other carrier...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060385
EISBN: 978-1-62708-261-7
..., or bubbles, in a liquid. Cavitation fatigue is a specific type of damage mechanism caused by repeated vibration and movement due to contact with flowing liquids, with water being the most common fluid. Because corrosion often results from placing liquids in contact with metals, the problem of cavitation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410001
EISBN: 978-1-62708-280-8
..., and even subassembly are at a significant advantage. Great strides have been made in applying finite element analysis (FEA) to structural product design. Finite element analysis and other methods have also been effectively applied to simulation of casting solidification and fluid flow. Recent advances...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390456
EISBN: 978-1-62708-459-8
... and extend the life of cutting tools based on the material of construction, the use of cutting fluids, and the means of lubrication. It presents various methods for evaluating workpiece materials, chip formation, wear, and surface finish in cutting processes such as turning, milling, and drilling. It also...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870085
EISBN: 978-1-62708-299-0
... a plateau of calculated, constant metal-removal rate from 3 to 10 m/s (10 to 33 ft/s), the removal rate climbed rapidly at higher velocities. Cavitation Erosion Cavitation erosion occurs on metal surfaces in contact with a liquid. Pressure differentials in the fluid generate gas or vapor bubbles...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430314
EISBN: 978-1-62708-253-2
... is defined as the process where metal wastage on the impacting surface occurs mainly because of an abrasive or impact action of solids or liquids. Such an impact can be due to high-velocity turbulent fluid, sudden or abrupt change in the direction of the flowing fluid, sudden changes in the fluid pressure...