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machine fault

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Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001851
EISBN: 978-1-62708-241-9
.... rotors shafts bearings machine fault misalignment structural materials vibration wear vibration analysis stiffness damping coefficient inertia steel (steel, general) Introduction Fault Modeling Equation of Motion Spectral Method for Resolving the Equation of Motion Numerical...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003519
EISBN: 978-1-62708-180-1
... attachment to look in holes and pin-light attachment to look in small crevices Conductivity tester Check conductivity or nonconductivity of surface Mirror Check around corners and under objects Surface-finish comparators Machine, cast, electrical discharge machining surface-finish standards...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006755
EISBN: 978-1-62708-295-2
...Abstract Abstract This article discusses the organization required at the outset of a failure investigation and provides a methodology with some organizational tools. It focuses on the use of problem-solving tools such as a fault tree analysis combined with critical thinking. The discussion...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003564
EISBN: 978-1-62708-180-1
...Abstract Abstract Rolling-contact fatigue (RCF) is a surface damage process due to the repeated application of stresses when the surfaces of two bodies roll on each other. This article briefly describes the various surface cracks caused by manufacturing processing faults or blunt impact loads...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001230
EISBN: 978-1-62708-236-5
..., all of which propagated at an angle of approximately 45 deg to the longitudinal axis, and therefore were caused by torsion stresses. Neither macroscopic nor microscopic examination determined any material or processing faults. Experience has shown that torsion vibration fractures of this kind usually...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001231
EISBN: 978-1-62708-232-7
... was not only shaped in a sharp-edged way but also roughly machined, too, as is proved by looking at the tooth bottom ( Fig. 5 ) and the cross section through a tooth ( Fig. 6 ). Both faults caused a local rise of tension. Fig. 3 Primary fracture (1 in Figs. 1 and 2 ). Fracture surfaces of the rim...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001487
EISBN: 978-1-62708-234-1
... the machine was under the Company's inspection, the rotor had been rewound, since when the insulation resistance had tended to be low and of the order of 0.2 megohm. There was no other indication of anything untoward until the onset of severe vibration, and the set was shut down immediately. Fortunately...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001152
EISBN: 978-1-62708-234-1
...-alloyed steel with 39 kg/sq mm tensile strength, which had been strengthened by welding plate strips on both sides had fractured in service; an axle tube out of 40 Mn 4 after DIN 17 200 from a paper fabrication machine, which had three short longitudinal slits distributed uniformly over its surface...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001811
EISBN: 978-1-62708-180-1
... as that of the failed part, fabrication practice (machining, welding, forging, or casting), heat treatment, types of loading to which the equipment is subjected, and operating environment, such as corrosive or high-temperature atmospheres. Many failures may be the result of a combination of several faults...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.9781627081801
EISBN: 978-1-62708-180-1
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0009222
EISBN: 978-1-62708-180-1
...Abstract Abstract This article describes the six fundamental factors that decide a tool's performance. These are mechanical design, grade of tool steel, machining procedure, heat treatment, grinding, and handling. A deficiency in any one of the factors can lead to a tool and die failure...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003560
EISBN: 978-1-62708-180-1
... Characterization of the Quartz Feed Steel disks are used on large tunnel-boring machines to continuously cut away at rock faces. Although material is worn from the disks through indentation and scratching wear processes ( Fig. 22 ), one of the predominant material removal mechanisms is material fracture near...
Book Chapter

Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006790
EISBN: 978-1-62708-295-2
... ): Design Improper selection of material Heat treatment Fabrication Improper machining and assembly These factors may be related to the occurrence of a failure in various ways, for example, the initiation of a crack or the increased susceptibility to wear or corrosion. General...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003500
EISBN: 978-1-62708-180-1
... histories. Example 1: Ice Cream Drink Mixer Blade Failures Excessive assembly stresses and inappropriate detail design caused the premature failures of ice cream drink mixer blades shortly after the mixing machines were introduced into service. A mixer blade as-manufactured is shown on the left side...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006830
EISBN: 978-1-62708-329-4
... Fabrication practice (machining, welding, forging, or casting) Heat treatment Types of loading to which the equipment is subjected Operating environment, such as corrosive or high-temperature atmospheres Failures may be the result of a combination of several faults or contributing factors...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001828
EISBN: 978-1-62708-241-9
... completed under controlled laboratory conditions [ 3 – 5 ]. However, it is considered a difficult task to identify SCF even under controlled conditions. Identifying component failures under complex operating conditions in a rotating machine is certainly a challenging task. The relevant operating data may...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003505
EISBN: 978-1-62708-180-1
... Society of Mechanical Engineers 17. Talbot T.F. , Safety for Special Purpose Machines , Paper 87-WA/DE-8, American Society of Mechanical Engineers 18. Talbot T.F. , Chain Saw Safety Features , Paper 86-WA/DE-16, American Society of Mechanical Engineers 19. Talbot T.F...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006753
EISBN: 978-1-62708-295-2
... on the processes involved in RCA and the charting methods that may be useful in RCA and ends with a description of various factors associated with failure prevention. corrosion distortion failure prevention fracture quality assurance root cause analysis wear MACHINES, COMPONENTS, and the materials...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001724
EISBN: 978-1-62708-234-1
... in North America. Bad accidents occurred to two 100,000-kw. machines in Toronto in the first week of April 1954, in addition to the failures of four rotor forgings discussed before the American Society of Mechanical Engineers last winter and summarized in Metal Progress in February 1956. The wrecked...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001401
EISBN: 978-1-62708-220-4
... and examination of this showed that, although the fish-plates were intact, the shell had cracked vertically adjacent to the weld over a length of approximately 7 in., i.e. the basket of this machine was on the point of disrupting in a manner similar to the one that failed, presumably from the same cause...