<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>Periodically changeable gas and inertia forces which occur during operation of engine generate transverse, axial and torsional vibrations of crankshafts of multi-cylinder combustion engines. Torsional vibrations are those which endanger crankshafts of multicylinder combustion engines the most. In order to minimize their impact a torsional vibration damper is installed at crankshaft's free end. Its technical state directly influences lifetime and reliability of engine. In this paper methods of diagnosing, maintenance and regeneration of torsional vibration dampers used in shipbuilding, are discussed. Also, are presented results of multi-year statistical investigations carried out in cooperation with a firm maintaining and regenerating ship engine torsional vibration dampers, which illustrate types of failures occurring in viscous and spring torsional vibration dampers.</p></abstract>

Periodically changeable gas and inertia forces which occur during operation of engine generate transverse, axial and torsional vibrations of crankshafts of multi-cylinder combustion engines. Torsional vibrations are those which endanger crankshafts of multicylinder combustion engines the most. In order to minimize their impact a torsional vibration damper is installed at crankshaft's free end. Its technical state directly influences lifetime and reliability of engine. In this paper methods of diagnosing, maintenance and regeneration of torsional vibration dampers used in shipbuilding, are discussed. Also, are presented results of multi-year statistical investigations carried out in cooperation with a firm maintaining and regenerating ship engine torsional vibration dampers, which illustrate types of failures occurring in viscous and spring torsional vibration dampers.

Diagnostics, maintenance and regeneration of torsional vibration dampers for crankshafts of ship diesel engines

Polish Maritime Research

Periodically changeable gas and inertia forces which occur during operation of engine generate transverse, axial and torsional vibrations of crankshafts of...

Diagnostics, maintenance and regeneration of torsional vibration dampers for crankshafts of ship diesel engines

Published Online: Sep 27, 2010

Page range: 62 - 68

DOI: https://doi.org/10.2478/v10012-010-0007-2

Keywords
crankshaft, torsional vibrations, damping of torsional vibrations, torsional vibration dampers, durability and reliability of multi-cylinder engine, diagnostics, maintenance, regeneration

This content is open access.

Diagnostics, maintenance and regeneration of torsional vibration dampers for crankshafts of ship diesel engines

Published Online: Sep 27, 2010

Page range: 62 - 68

DOI: https://doi.org/10.2478/v10012-010-0007-2

Keywordscrankshaft, torsional vibrations, damping of torsional vibrations, torsional vibration dampers, durability and reliability of multi-cylinder engine, diagnostics, maintenance, regeneration

This content is open access.

Keywords
crankshaft, torsional vibrations, damping of torsional vibrations, torsional vibration dampers, durability and reliability of multi-cylinder engine, diagnostics, maintenance, regeneration