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low noise slew bearing condition monitoring

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  • Condition monitoring of slow speed slewing bearing

    2020-10-13 · Keywords: condition monitoring, low speed slewing bearing, largest Lyapunov exponent, circular-domain feature extraction . 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

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  • An online condition monitoring system implemented an ...

    Condition monitoring of low speed slewing bearings based on ensemble empirical mode decomposition method. Transactions of the Korean society for noise and vibration engineering, 23 (2), 131-143. Identity

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  • Integrated Condition Monitoring and Prognosis Method

    2019-11-19 · FTP for low speed slew bearing . Abstract . Rapid and reliable information in slew bearing maintenance is not trivial issue. This paper presents the online monitoring system to assist maintenance engineer in order to monitor the bearing condition of low speed slew bearing in sheet metal company. The system is able to pass the vibration ...

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  • Vibration and acoustic emission-based condition

    2017-4-21 · The integrated condition monitoring and prognosis method for low speed slew bearing. Examples of features extracted from slew bearing acceleration data are shown in Figure2. How these features were extracted has been described in Refs. [32,33]. It …

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  • An application of mathematical morphology operators as ...

    2016-5-1 · This paper presents an AE-based method for the condition monitoring of low speed slew bearing. • The use of AE as the condition monitoring method of rolling element bearings is reviewed. • A feature extraction method of the AE waveform signal using the largest Lyapunov exponent (LLE) algorithm is proposed.

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  • CONDITION MONITORING OF SLOW-SPEED ROLLING

    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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  • 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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  • Smart health evaluation of slewing bearing based on ...

    2014-6-14 · A rotational connection between two substructures generally consists of a slewing bearing which is very often used for heavy loads at low speeds. Slewing bearing condition monitoring is a good method to identify the inception and propagation of structural defects at an early stage for timely remedy, and ultimately, enable condition-based “intelligent” maintenance instead of schedule-based.

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  • Advances in Mechanical Engineering 2016, Vol. 8(2) 1–10 ...

    2019-10-30 · slewing bearing. Condition monitoring system is a good method to identify the defects; however, the measuring range and distribution of the sensors have important influence on the monitoring efficacy. Due to the thin-wall and cyclic struc-ture characteristics of a slewing bearing, the defect characteristic response is unusual and unknown.

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  • 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.

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  • Condition Monitoring of Bearing Damage in ...

    2017-2-6 · While the bearing damage signature of vibrations is well known, there is little experience with the MCS of external bearing damage and the correlation of the artificial damages used in research with real damages in the industry (Bellini et al., 2008). Especially for MCS-based condition monitoring,

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  • Application of the largest Lyapunov exponent

    2015-1-1 · As the slew bearing rotates at very low rotational speed (1 rpm), the bearing signal generated from the contact between the rolling element and the defective point is very weak and buried in unwanted noise, thus the onset of the deterioration in the condition of the bearing and the progression of the deterioration cannot be clearly ...

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  • Fault diagnosis of rolling element bearings from

    Acoustic emission-based condition monitoring methods: Review and application for low speed slew bearing, Mechanical Systems and Signal Processing, vol. 72-73, pp. 134-159. doi: 10.1016/j.ymssp.2015.10.020

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  • Slewing bearings | SKF

    Slewing bearings comprise an inner ring and an outer ring, one of which usually incorporates a gear. Together with attachment holes in both rings, they enable an optimized power transmission with a simple and quick connection between adjacent machine components.

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  • 1 TECHNICAL DESCRIPTION - Offshore-Crane.Com

    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.

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  • Acoustic Emissions & Acoustic Condition Monitoring ...

    Using acoustic bearing monitoring, condition and lubrication state of all rolling element bearings, examples such as: needle bearing. ... there was a violent jolt and a bang as the slew bearing failed, then the crane fell from its pedestal into the port tween deck of no. 2 hold. ... experiments conducted to test bearing operation at low speeds ...

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  • Advances in Mechanical Engineering 2016, Vol. 8(2) 1–10 ...

    2019-10-30 · slewing bearing. Condition monitoring system is a good method to identify the defects; however, the measuring range and distribution of the sensors have important influence on the monitoring efficacy. Due to the thin-wall and cyclic struc-ture characteristics of a slewing bearing, the defect characteristic response is unusual and unknown.

    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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  • 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
  • Fault diagnosis of rolling element bearings from

    Acoustic emission-based condition monitoring methods: Review and application for low speed slew bearing, Mechanical Systems and Signal Processing, vol. 72-73, pp. 134-159. doi: 10.1016/j.ymssp.2015.10.020

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  • Combined Failure Diagnosis of Slewing Bearings

    Large-size and heavy-load slewing bearings, which are mainly used in heavy equipment, comprise a subgroup of rolling bearings. Owing to the complexity of the structures and working conditions, it is quite challenging to effectively diagnose the combined failure and extract fault features of slewing bearings. In this study, a method was proposed to denoise and classify the combined failure of ...

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  • Enabling Robust Wired Condition-Based Monitoring for ...

    2019-6-18 · Enabling Robust Wired Condition-Based Monitoring for Industry 4.0 Part 1 Richard Anslow and Dara O’Sullivan Analog Devices, Inc. Condition-Based Monitoring Is Essential for Realising Industry 4.0. Government initiatives, such as Germany’s Industrie 4.0 and China’s Made in China 2025, are accelerating the trend towards ubiquitous networked

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  • Enabling Robust Wired Condition-Based Monitoring

    2021-5-29 · Condition-Based Monitoring Is Essential for Realising Industry 4.0.Government initiatives, such as Germany’s Industries 4.0 and China’s Made in China 2025, are accelerating the trend towards ubiquitous networked automation in manufacturing. In addition, automation is being enhanced by smart sensor systems with more data available to monitor and con

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  • Timken Bearing Damage Analysis with Lubrication

    2020-7-22 · 5. Check the bearing environment for external influences, like other equipment problems, that preceded or occurred at the same time bearing damage was reported. 6. Disassemble the equipment (either partially or completely). Record an assessment of the mounted bearing condition. 7. Inspect other machine elements, especially the position and ...

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  • 1 TECHNICAL DESCRIPTION - Offshore-Crane.Com

    2014-4-14 · contamination level low, even when crane is not in use. ! D Slewing gears slew bearing:! The slew bearing is a heavy duty offshore/marine slew ring equipped with internal gearing for transfer of the slew torque from the output pinion of the slew gearbox. The slew gear system consists of

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  • Enabling Robust Wired Condition-Based Monitoring

    2021-5-29 · Condition-Based Monitoring Is Essential for Realising Industry 4.0.Government initiatives, such as Germany’s Industries 4.0 and China’s Made in China 2025, are accelerating the trend towards ubiquitous networked automation in manufacturing. In addition, automation is being enhanced by smart sensor systems with more data available to monitor and con

    Get Price
  • Study Of Detection Of Defects In Rolling Element

    2019-1-29 · bearing defects by vibration and acoustic methods. Tandon and Nakra presented a detailed review of the different acoustic methods for condition monitoring of rolling bearings [3]. Mcfadden and Smith and Kim have also presented reviews on specific techniques for condition monitoring of rolling element bearings[4,5] .

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  • IPE - Self-lubricating

    2013-1-25 · New slewing bearings from igus use two self-lubricating, low friction polymer sliding elements in place of conventional ball bearings. As a costeffective, low noise alternative, the PRT polymer slew ring bearing modules are said to be highly wear resistant, easy to install and maintenance-free. They are robust and have a high load capacity.

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  • Characterisation of Major Fault Detection Features and ...

    2016-6-27 · developer of Condition-Based Monitoring (CBM) applications of centrifugal blowers. The major contribution of this paper is the integration and characterisation of the major fault detection features and techniques. 1. INTRODUCTION Condition-Based Monitoring (CBM) is a strategy aimed at extending machine life, lowering maintenance cost, and in-

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  • Semi-Automated Bearing Diagnostics – Three Case

    2017-11-25 · A number of techniques found invaluable for rolling element bearing diagnostics are illustrated through three case histories on very different machines, a very high speed bearing test rig, a planet bearing fault in a helicopter gearbox, and the main bearing of a very low speed radar tower.

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  • ‪Wahyu Caesarendra‬ - ‪Google Scholar‬

    Acoustic emission-based condition monitoring methods: Review and application for low speed slew bearing W Caesarendra, B Kosasih, AK Tieu, H Zhu, CAS Moodie, Q Zhu Mechanical Systems and Signal Processing 72, 134-159 , 2016

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  • Oil Analysis - Machine Health

    2020-6-17 · Used grease analysis has been shown to be the only reliable technique for determining the condition of the low speed bearings of sugar mill drive gearboxes. The vibration noise floor of these gearboxes is typically very high making the acquisition of useful vibration data a very time consuming process. 1. Grease Sampling.

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  • Vibration Analysis of Electric Induction Motors | Power

    2019-11-20 · Vibration measurement points. As we have already discussed in a general way in our article, 'Where to place the vibration sensor', in an electrical motor, the measurement points for vibrations must correspond to the centerline of the shaft, on the bearing housing.Ensure a stable mounting on a solid part. Whenever possible, make measurements in the horizontal (H), vertical (V), and axial (A ...

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  • Castings - ZOLLERN

    ZOLLERN offers individual component solutions and customer-specific castings from large series to individual pieces. We are development partners for our customers and one of the leading foundries in Europe with more than 1,000 employees in the casting business area.

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  • Kepada Yth : Direktur SDM - HOME | MECnIT 2020

    2017-8-7 · “Vibration and acoustic emission-based condition monitoring and prognosis methods for very low speed slew bearing” M.Eng Pukyong National University, South Korea (Feb 2008 - Feb 2010) (Hons.) School of Mechanical Engineering, Mechanical Design Engineering Department Master of …

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  • Study Of Detection Of Defects In Rolling Element

    2019-1-29 · bearing defects by vibration and acoustic methods. Tandon and Nakra presented a detailed review of the different acoustic methods for condition monitoring of rolling bearings [3]. Mcfadden and Smith and Kim have also presented reviews on specific techniques for condition monitoring of rolling element bearings[4,5] .

    Get Price
  • Characterisation of Major Fault Detection Features and ...

    2016-6-27 · developer of Condition-Based Monitoring (CBM) applications of centrifugal blowers. The major contribution of this paper is the integration and characterisation of the major fault detection features and techniques. 1. INTRODUCTION Condition-Based Monitoring (CBM) is a strategy aimed at extending machine life, lowering maintenance cost, and in-

    Get Price
  • NOISE AND VIBRATION DIAGNOSTICS IN ROTATING

    2020-7-8 · transmission units, namely the vibration and noise excited by teeth of gears in mesh. 1. INTRODUCTION The paper is focused on methods employed in noise and vibration diagnostics of rotating and reciprocating machines for condition monitoring in operation or quality control in production. The main sources of vibration in the low frequency range are

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  • Semi-Automated Bearing Diagnostics – Three Case

    2017-11-25 · A number of techniques found invaluable for rolling element bearing diagnostics are illustrated through three case histories on very different machines, a very high speed bearing test rig, a planet bearing fault in a helicopter gearbox, and the main bearing of a very low speed radar tower.

    Get Price
  • Predicting LNG Loading Arms Structural Bearings

    2019-11-11 · The monitoring procedure was designed to trend the existing targets coordinates (installed on the LNG Loading Arms - 'bull-eyes') and compared with the As-New structural bearing condition and LNG Loading Arms operating behavior, keeping in account the verticality deviation causes attributed to several factors (Loading Arms positioning errors ...

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  • Machines talk and it pays to listen | AVT Reliability

    2021-4-18 · Bearing fault detection. AE techniques are ideal for assessing and monitoring both periodic and non-periodic problems with large slow moving bearings such as slew bearings. In many applications, direct access to the bearings is very limited making it expensive if premature failure occurs.

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  • 1250 PC1250/1250SP-8R BACKHOE

    2019-5-30 · sound absorption. Improvements in noise source reduction combined with the use of a low noise engine, hydraulic equip-ment, and optional air conditioner (A/C) allows the operator to work in quiet operating condition. Optional A/C, air fi lter and a higher internal air pressure mini-mize external dust from entering the cab.

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  • BM 1000/35 - Galadari

    2021-5-25 · – low noise level – minimized vibration – ideal vision – clearly arranged controls; MAINTENANCE: EASY AND FAST: Low maintenance is a Bomag Design principle. Longevity and low maintenance are two essential design principles at BOMAG. Implemented in the smallest details, reducing service costs and non-productive time to the minimum.

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