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slew bearing condition monitoring

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  • slewing bearing condition monitoring - XZWD

    2019-3-18 · Condition monitoring is a testing method that allows a company to uncover how the specific bearings being tested are performing while the machine is in operation. As a result, potential equipment failures can be detected early on and remedied well in advance. For slew ring bearings, purged grease is …

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  • Condition monitoring of slow speed slewing bearing

    2020-10-13 · Condition monitoring of slow speed slewing bearing based on largest lyapunov exponent algorithm and circular-domain feature extractions . Abstract . This paper presents a combined nonlinear and circular features extraction-based condition monitoring method for low speed slewing bearing. The proposed method employs the largest Lyapunov exponent

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  • The Condition Monitoring of Large Slewing Bearing

    However, to date only limited research has been reported on the condition monitoring and prediction of the slewing bearing lifetime. While there are three types of methods for the prognosis of the...

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  • Integrated condition monitoring and prognosis method

    2020-3-7 · A condition monitoring method for slew bearings using kurtosis extracted from vibration and acoustic emission signals as condition parameters was proposed by Rodgers [3]. A recent slew bearing condition monitoring and fault diagnosis study [4] combined ensemble empirical mode decomposition (EEMD) and multiscale principal component analysis (MSPCA).

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  • Integrated Condition Monitoring and Prognosis Method

    2017-4-4 · A condition monitoring method for slew bearings using kurtosis extracted from vibration and acoustic emission signals as condition parameters was proposed by Rodgers. A recent slew bearing condition monitoring and fault diagnosis study combined ensemble empirical mode

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  • Condition monitoring for the safe operation and life ...

    Slew bearing condition monitoring. For the crane to pivot through a full 360 degrees of rotation about a central pedestal, the slew bearing provides the primary operational design requirements and sustains the full load of the crane, its payload and counterbalance. Many slew bearing condition monitoring …

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  • A Review of Feature Extraction Methods in Vibration

    It is necessary to have reliable condition monitoring parameters or features that could extract accurate information about the bearing condition from the signal. The number of studies on slew...

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  • Vibration and acoustic emission-based condition

    2020-10-13 · Recently, there has been increasing number of studies on slew bearing-based condition monitoring and fault detection. The studies mainly focused on the identification of bearing fault frequencies signalling the occurrence of the damaged bearing parts. However, a study on an entire slew bearing service life has not been presented.

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  • Acoustic emission-based condition monitoring

    2016-5-1 · These unexpected failures can be avoided if a condition monitoring system which is able to predict failure is integrated in the bearing condition monitoring system. Because slew bearings have a typically long life, ranging from 5 to 10 years, an accelerated life test is required in the laboratory. Through this laboratory experiment, slew bearing condition monitoring data from brand new to impeding failure …

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  • Rothe Erde Eddy Current Monitoring System. Applications ...

    2012-11-15 · Monitoring System is a measurement system, which is fully integrated into the bearing. It monitors the condition of the bearing without requiring any time-con-suming and cost-intensive intervention. The system is widely used in the off-shore industry since 1982 not only for offshore cranes but also for offshore oil mooring applications like FPSO’s and

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  • Slew Ring Bearing Condition Monitoring to Ensure

    2021-5-15 · Condition monitoring is a testing method that allows a company to uncover how the specific bearings being tested are performing while the machine is in operation. As a result, potential equipment failures can be detected early on and remedied well in advance. For slew ring bearings, purged grease is …

    Get Price
  • Remote condition monitoring of slewing bearings on

    2020-12-3 · Condition monitoring systems help detect machine problems at an early stage and prevent damage and downtime. thyssenkrupp rothe erde is continuing to develop its condition monitoring system. This allows the maintenance of large-diameter antifriction bearings in applications that are difficult to access to be carried out digitally. We asked Dr. Gunther Elfert, technical project manager, […]

    Get Price
  • Condition monitoring and fault diagnosis methods for

    The condition monitoring of large slewing bearing based on oil analysis method. Key Engineering Materials, Vols. 474-476, 2011, p. 716-719. [Search CrossRef] Liu R. D. Condition monitoring of low-speed and heavily loaded rolling element bearing. Industrial Lubrication and Tribology, Vol. 59, …

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  • Machines | Free Full-Text | A Review of Feature

    This paper presents an empirical study of feature extraction methods for the application of low-speed slew bearing condition monitoring. The aim of the study is to find the proper features that represent the degradation condition of slew bearing rotating at very low speed ( 1 r/min) with naturally defect. The literature study of existing research, related to feature extraction methods or ...

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  • Integrated Condition Monitoring and Prognosis

    This paper presents an application of multivariate state estimation technique (MSET), sequential probability ratio test (SPRT) and kernel regression for low speed slew bearing condition monitoring and prognosis. The method is applied in two steps. Step (1) is the detection of the incipient slew bearing …

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  • Application of the largest Lyapunov exponent

    This paper presents a new application of the largest Lyapunov exponent (LLE) algorithm for feature extraction method in low speed slew bearing condition monitoring. The LLE algorithm is employed to measure the degree of non-linearity of the vibration signal which is not easily monitored by existing methods. The method is able to detect changes in the condition of the bearing and demonstrates ...

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  • Slew bearing early damage detection based on

    Abstract: This paper presents the application of multivariate state estimation technique (MSET) and sequential probability ratio test (SPRT) for early damage detection of low speed slew bearing. This paper also investigates the appropriate and reliable features for slew bearing condition monitoring. It is found that largest Lyapunov exponent (LLE), approximate entropy, margin factor (MF) and ...

    Get Price
  • Slewing bearings - SKF

    2020-10-3 · ogy, condition monitoring, asset manage-ment and bearing life theory. Our ongoing commitment to research and development helps us keep our customers at the forefront of their industries. Meeting the toughest challenges Our network of knowledge and experience, along with our understanding of how our core technologies can be combined, helps

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  • Rothe Erde Eddy Current Monitoring System. Applications ...

    2012-11-15 · Monitoring System is a measurement system, which is fully integrated into the bearing. It monitors the condition of the bearing without requiring any time-con-suming and cost-intensive intervention. The system is widely used in the off-shore industry since 1982 not only for offshore cranes but also for offshore oil mooring applications like ...

    Get Price
  • Bearing wear monitoring system - Kongsberg Maritime

    2021-6-13 · Condition monitoring of crank-train bearings in two-stroke diesel engines Illustration showing bearing wear monitoring system. The bearing wear monitoring system uses two sensors mounted in each cylinder compartment, measuring every time the crosshead passes bottom dead centre.

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  • Remote condition monitoring of slewing bearings on

    2020-12-3 · Condition monitoring systems help detect machine problems at an early stage and prevent damage and downtime. thyssenkrupp rothe erde is continuing to develop its condition monitoring system. This allows the maintenance of large-diameter antifriction bearings in applications that are difficult to access to be carried out digitally. We asked Dr. Gunther Elfert, technical project manager, […]

    Get Price
  • Condition monitoring of low speed slewing bearings

    Vibration condition monitoring of low-speed rotational slewing bearings is essential ever since it became necessary for a proper maintenance schedule that replaces the slewing bearings installed in massive machinery in the steel industry, among other applications.

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  • Condition monitoring and fault diagnosis methods for

    The condition monitoring of large slewing bearing based on oil analysis method. Key Engineering Materials, Vols. 474-476, 2011, p. 716-719. [Search CrossRef] Liu R. D. Condition monitoring of low-speed and heavily loaded rolling element bearing. Industrial Lubrication and Tribology, Vol. 59, …

    Get Price
  • Integrated Condition Monitoring and Prognosis

    This paper presents an application of multivariate state estimation technique (MSET), sequential probability ratio test (SPRT) and kernel regression for low speed slew bearing condition monitoring and prognosis. The method is applied in two steps. Step (1) is the detection of the incipient slew bearing …

    Get Price
  • Acoustic emission-based condition monitoring

    This paper presents an acoustic emission-based method for the condition monitoring of low speed reversible slew bearings. Several acoustic emission (AE) hit parameters as the monitoring parameters for the detection of impending failure of slew bearings are reviewed first. The review focuses on: (1) the application of AE in typical rolling element bearings running at different speed ...

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  • ICSV14 Symmetry Methods Applied to the Condition ...

    2012-8-3 · Current condition monitoring methods provide a sample of data that is short in duration containing a few thousand samples (4098 max). Demodulation/Fourier type data analyses of vibration from slew bearings have been unsuccessful in determining the useful life and /or time to replace. Therefore, we have to ask two simple questions.

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  • Propulsion Product Services Azipod Condition Monitoring ...

    2018-5-10 · Azipod® Condition Monitoring Retrofit The ABB Condition Monitoring Retrofit enables regular assessment and continuous monitoring of the non-drive-end (NDE) and drive-end (DE) bearings, the slewing bear-ing and gear rim, and the steering hydraulics motors and pumps. In the condition monitoring retrofit work, the existing monitoring equipment is ...

    Get Price
  • VIBRATION EVENT DETECTION: A MONITORING

    2012-8-3 · used as a condition monitoring tool on the test-rig designed to specifically condition monitor horizontally mounted slow speed (1 rpm) bearings to failure. 1. INTRODUCTION The use of vibration data from slow-speed slew-bearings has been notoriously unsuccessful in predicting bearing failure. There are a number of reasons for this.

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  • DIAGNOSTICS, MEASUREMENT & INSPECTION —

    2016-12-16 · [25] CAESARENDRA W,KOSASIH B,TIEU A K,et al. Acoustic emission-based condition monitoring methods:Review and application for low speed slew bearing[J]. Mechanical Systems and Signal Processing,2016,72:134-159.

    Get Price
  • We share insights. We collaborate. We innovate.

    2016-6-3 · Slew bearing condition monitoring For the crane to pivot through a full 360 degrees of rotation about a central pedestal, the slew bearing provides the primary operational design requirements and sustains the full load of the crane, its payload and counterbalance. Many slew bearing condition monitoring techniques are available.

    Get Price
  • Acoustic emission-based condition monitoring

    This paper presents an acoustic emission-based method for the condition monitoring of low speed reversible slew bearings. Several acoustic emission (AE) hit parameters as the monitoring parameters for the detection of impending failure of slew bearings are reviewed first. The review focuses on: (1) the application of AE in typical rolling element bearings running at different speed ...

    Get Price
  • Propulsion Product Services Azipod Condition Monitoring ...

    2018-5-10 · Azipod® Condition Monitoring Retrofit The ABB Condition Monitoring Retrofit enables regular assessment and continuous monitoring of the non-drive-end (NDE) and drive-end (DE) bearings, the slewing bear-ing and gear rim, and the steering hydraulics motors and pumps. In the condition monitoring retrofit work, the existing monitoring equipment is ...

    Get Price
  • VIBRATION EVENT DETECTION: A MONITORING

    2012-8-3 · used as a condition monitoring tool on the test-rig designed to specifically condition monitor horizontally mounted slow speed (1 rpm) bearings to failure. 1. INTRODUCTION The use of vibration data from slow-speed slew-bearings has been notoriously unsuccessful in predicting bearing failure. There are a number of reasons for this.

    Get Price
  • Large Diameter Slew Bearing Department -

    Have your existing OEM Slew Bearings condition assessed by us for their potential to be fully rebuilt and warranted for as little as 30% of their replacement cost. We also offer new and refurbished slew bearings on a service exchange basis. Our Slew Bearing Department can provide a site based Slew Bearing condition monitoring and change out ...

    Get Price
  • Slew Bearings Damage Detection using Hilbert Huang

    Slew Bearings Damage Detection using Hilbert Huang Tribology in Industry www.tribology.fink.rs RESEARCH Vol. 37, No. 2 (2015) 170-175 Slew Bearings Damage Detection using Hilbert Huang Transformation and Acoustic Methods P. Nikolakopoulos a, A. Zavos a a University of Patras/Department of Mechanical and Aeronautics Engineering/Machine Design Laboratory, Greece.

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  • SKF Rotating Equipment Hub Detect

    Condition Monitoring is an important element in the maintenance strategy of most major industrial plants. The CM process involves measuring physical parameters that indicate a machine’s health. Departures from normal are detected and analysed with corrective actions then determined.

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  • DIAGNOSTICS, MEASUREMENT & INSPECTION —

    Primetals Technologies is a pioneer of advanced diagnostic systems, data analytics, and condition-monitoring systems, and works tirelessly to make the metals-production process as transparent as possible. Our mechatronics solutions for existing or new production lines represent a significant technological step forward, while our laboratories ...

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  • Grease Analysis: Early Warning System for Failures and ...

    2016-12-16 · [25] CAESARENDRA W,KOSASIH B,TIEU A K,et al. Acoustic emission-based condition monitoring methods:Review and application for low speed slew bearing[J]. Mechanical Systems and Signal Processing,2016,72:134-159.

    Get Price
  • Slew Ring Bearing Condition Monitoring to Ensure

    2021-5-15 · Condition monitoring is a testing method that allows a company to uncover how the specific bearings being tested are performing while the machine is in operation. As a result, potential equipment failures can be detected early on and remedied well in advance. For slew ring bearings, purged grease is …

    Get Price
  • We share insights. We collaborate. We innovate.

    2016-6-3 · Slew bearing condition monitoring For the crane to pivot through a full 360 degrees of rotation about a central pedestal, the slew bearing provides the primary operational design requirements and sustains the full load of the crane, its payload and counterbalance. Many slew bearing condition monitoring techniques are available.

    Get Price
  • CORE

    This paper presents an empirical study of feature extraction methods for the application of low-speed slew bearing condition monitoring. The aim of the study is to find the proper features that represent the degradation condition of slew bearing rotating at very low speed ( 1 r/min) with naturally defect.

    Get Price
  • Slew bearing early damage detection based on

    Abstract: This paper presents the application of multivariate state estimation technique (MSET) and sequential probability ratio test (SPRT) for early damage detection of low speed slew bearing. This paper also investigates the appropriate and reliable features for slew bearing condition monitoring. It is found that largest Lyapunov exponent (LLE), approximate entropy, margin factor (MF) and ...

    Get Price
  • Life prediction of slewing bearing based on isometric ...

    2019-7-24 · The monitoring data of slewing bearing is massive. In order to establish accurate life prediction model from complex vibration signal of slewing bearing, a life prediction method based on manifold learning and fuzzy support vector regression (SVR) is proposed.

    Get Price
  • Large Diameter Slew Bearing Department -

    Have your existing OEM Slew Bearings condition assessed by us for their potential to be fully rebuilt and warranted for as little as 30% of their replacement cost. We also offer new and refurbished slew bearings on a service exchange basis. Our Slew Bearing Department can provide a site based Slew Bearing condition monitoring and change out ...

    Get Price
  • Machinery Vibration Monitoring | OneProd |

    2021-6-8 · ONEPROD – VIBRATION MONITORING. Through our OnProd product line maintenance, managers can implement their own condition monitoring program. OneProd data collectors come with embedded AI intelligence to machine learn, analyse and report on machine faults. Our OneProd product range to assist with vibration monitoring is shown below; Bearing ...

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  • ‪Wahyu Caesarendra‬ - ‪Google Scholar‬

    80. 2011. Condition monitoring of naturally damaged slow speed slewing bearing based on ensemble empirical mode decomposition. W Caesarendra, B Kosasih, K Tieu, C Moodie, BK Choi. Journal of Mechanical Science and Technology 27 (8), 2253-2262.

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  • Slewing Rings | Schaeffler Germany

    2020-11-20 · The bearing rings are supplied without gear teeth or, in order to achieve simple drive solutions, are available with external or internal gear teeth. INA slewing rings are designed as four-point contact bearings and as Crossed roller bearing. To the medias product catalog

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  • Procedures for Inspection, Maintenance, Repair, and ...

    2012-2-11 · ADDENDUM 1 TO PROCEDURES FOR INSPECTION, MAINTENANCE, REPAIR, AND REMANUFACTURE OF DRILLING EQUIPMENT 3 C.3.7 The user shall also ensure that procedures for utilizing features designed to control the top of the BOP stack are imple- mented until either the moonpool guidance system described in C.3.6 (if provided) is engaged, and or the BOP stack is sus- ...

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