Fundamentals of Rotating Machinery Diagnostics

Fundamentals of Rotating Machinery written by Don Bently

By Donald E. Bently

Chairman of the Board and Chief Executive Officer Bently Pressurized Bearing Company

Edited by Bob Grissom

A practical course in the fundamentals of machinery diagnostics for anyone who works with rotating machinery, from operator to manager, from design engineer to machinery diagnostician. This comprehensive book thoroughly explains and demystifies important concepts needed for effective machinery diagnostics.

VIBRATION FUNDAMENTALS: vibration, phase, and vibration vectors.

DATA PLOTS: timebase, average, shaft centerline, polar, Bode, APHT, spectrum, trend, XY, and the orbit.

ROTOR DYNAMICS: the rotor model, dynamic stiffness, modes of vibration, anisotropic (asymmetric) stiffness, stability analysis, torsional and axial vibration, and basic balancing. Modern root locus methods, (pioneered by Walter R. Evans) are used throughout the book.

MALFUNCTIONS: unbalance, rotor bow high radial loads, misalignment, rub and looseness, fluid-induced instability, and shaft cracks.

Hundreds of full color illustrations explain key concepts and several detailed case histories show how these concepts were used to solve real machinery problems. A comprehensive glossary of diagnostic terms is included. 726 pages.

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