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Spin test rig : most important stage of tunnel thruster’s overhaul

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Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Tunnel thrusters during overhaul pass through several quality tests. After disassembly any clearance, shrink or subassembly are noticed. Measurements taken at verification stage determined which parts should be replaced. Definitely, the most important of tunnel thruster operation is bearings condition. Despite many years of experience, it is hard to find micro damages in the bearings without special devices. After assembly of tunnel thruster, the final stage is spin test. The spin test rig is equipped with bearings condition monitoring system including vibration, temperature and pressure inside the tunnel thruster live monitoring. During 4 hours of spin test, it is possible to check vibrations on the thruster and if any damage occurs it can be easily found, on which part of bearing appeared. Spin test rig gives possibility to check misalignments, gear condition, temperatures during 4 hours of operation and check oil quality (oil particle content acc. to ISO 4407 and water content). Spin test guarantees proper operation of tunnel thrusters after overhaul. If any damage appears during the spin test it can be easily eliminated. Without the spin test after overhaul, damage will be found after assembly on the vessel – on the sea trials. When damage is found too late, there is an additional cost for company to dock the vessel again and disassembly tunnel thruster for inspection. From economical point of view, the spin test rig gives possibility to avoid extra costs. Every passed spin test gives certificate of proper vibration level and proper assembly of thruster’s elements.
Twórcy
  • Gdynia Maritime University, Faculty of Marine Engineering Rolls-Royce Poland Sp. z o. o. Lipowa Street 4B/2, 81-572 Gdynia, Poland tel.: +48 607231158, +48 586901564
  • Gdynia Maritime University, Faculty of Marine Engineering Rolls-Royce Poland Sp. z o. o. Lipowa Street 4B/2, 81-572 Gdynia, Poland tel.: +48 607231158, +48 586901564
autor
  • Rolls-Royce Poland Sp. z. o.o. Kontenerowa Street 8, 81-155 Gdynia, Poland tel.: +48 587820655, fax: +48 587820656
Bibliografia
  • [1] Rolls-Royce Poland sp. z o. o. documentation.
  • [2] SKF Bearings documentation.
  • [3] DraCon company oil analysis reports.
Uwagi
PL
Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-560d5caa-3d79-4c49-8413-e7ab540ed6f2
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