2017
DOI: 10.1155/2017/7150472
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Research on the Field Dynamic Balance Technologies for Large Diesel Engine Crankshaft System

Abstract: In order to reduce the unbalancing mass and the accompanying unbalancing vibration of diesel engine crankshaft system, the field dynamic balancing method and its key technologies are presented in the paper. In order to separate the unbalancing vibration signal from the total vibration signal of crankshaft system, the fundamental frequency signal fitting principle based on the least square method was introduced firstly, and then wavelet noise reduction method was applied to improve the signal fitting precision … Show more

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Cited by 8 publications
(4 citation statements)
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“…To easily correct the unbalancing condition of the crankshaft system, Zhang and Zhang designed the unbalancing adjustment equipment based on the flywheel structure. e balancing effect of the field dynamic balancing system has been verified by field experiments [23].…”
Section: Analysis Ofmentioning
confidence: 85%
“…To easily correct the unbalancing condition of the crankshaft system, Zhang and Zhang designed the unbalancing adjustment equipment based on the flywheel structure. e balancing effect of the field dynamic balancing system has been verified by field experiments [23].…”
Section: Analysis Ofmentioning
confidence: 85%
“…For reading the engine rotational speed value, the sensor must be put in a place that can reach the part of the rotating engine shaft. Generally, the part used to measure rotational speed is the flywheel [101]. The sensor was placed a little ahead of the thermostat to get the engine coolant temperature value [102], [103].…”
Section: Qs3 (The Implementation Of Monitoring Equipment For Propulsion Engines On Fishing Vessels)mentioning
confidence: 99%
“…Nonlinear vibration occurred due to the locations of the harvesting state. Vibration levels of different harvesters were significantly different [12][13][14]. In order to reduce the vibration of the combine harvester threshing cylinder under the normal load, the vibration characteristics of five flap type portable harvesters used for olive harvesting at both idling and full load conditions were measured and evaluated [15].…”
Section: Introductionmentioning
confidence: 99%