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Journal-Bearing Databook (Paperback, 1989 ed.)
Loot Price: R4,254
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Journal-Bearing Databook (Paperback, 1989 ed.)
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Journal bearings, which are used in all kinds of rotating
machinery, do not only support static loads, such as the weight of
rotors and load caused by transmitted torque of reduction gears,
but are, in addition almost the only machine element that is able
to suppress various exciting forces acting on the rotating shaft.
As rotating machines have become large and multi-staged, while
compactness, high speed, and high output have also been realized in
recent years, not only has the bearing load increased, but also the
magnitude and variety of exciting forces. Therefore, the role and
importance of journal bearings have increased tremendous ly. In
particular, for the design of rotating machines with low vibration
levels and high reliability, knowledge of the exact characteristic
data of bearings, and especial ly of the stiffness or spring
coefficients and the damping coefficients of oil films in bearings,
is essential. However, the amount of reliable data now applicable
to practical design is limited. Through the activity of the
Research Subcommittee on Dynamic Charac teristics of Journal
Bearings and Their Applications (designated as PSC 28), estab
lished and organized in June 1979 through May 1982 within the Japan
Society of Mechanical Engineers (JSME), these coefficients,
together with static characteris tics, have been calculated and
also measured on a number of new test rigs.
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