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  • Marine Crane Slewing Bearing Inspections | Alatas

    2021-1-4 · Classification organisations require a crane’s slewing bearings to be assessed for wear every year. During these inspections, the bearing clearance is measured, grease is taken for a ferrography analysis and, in the case of Class ABS, that slewing bearing bolts are NDT tested.

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  • Used Grease Analysis Integrated into Critical

    2012-11-15 · grease sample analysis bearing wear measurement depression measurement tilting clearance measurement comment to the customer comparision to reference sample comparision to basic measurement result normal increased wear extrem wear Rothe Erde Slewing Rings. Bearing Inspection Offshore Cranes. A ThyssenKrupp Technologies company Rothe Erde TK KD 125

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  • Test Certificate for Rothe Erde Slewing Rings Rothe Erde ...

    2013-5-27 · • Ship Deck Cranes • Stackers and Reclaimers • Steelmill Equipment • Telescopes ... Bearing design types Basic information Pages 6 – 41 Standard series KD 210 Single-row ball bearing slewing rings Profile bearings Pages 43 – 55 Standard series KD 320 Double-row ball bearing slewing rings Double axial ball bearings Pages 57 – 83

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  • Rothe Erde Slewing Bearings. - pslas.ru

    Like any mechanical system, slewing rings and bearings in deck cranes and pulleys on cantilever arms require proper lubrication to function optimally. SKF and Lincoln automatic lubrication systems deliver the exact quantity of the appropriate lubricant to the right place at the right time while the equipment is running – without downtime.

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  • Crane lubrication | SKF Lincoln | SKF

    2016-9-6 · Replacement of 4 x ALATAS Supplied Crane Slewing Bearings on Mitsubishi Deck Cranes. ALATAS Singapore recently carried out the replacement of 4 sets of crane slewing bearings at Anchorage. The bearings were supplied by ALATAS in a very short time of approximately 3½ months and installed at Singapore Anchorage, using a floating crane.

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  • Mitsubishi crane slewing bearing replacements to 4

    2019-10-20 · Crane Slewing Bearing Maintenance. In lifting equipment, the large diameter bearing serves as a joint between the upper structure and the undercarriage, providing a means of 360º rotation. And tilting moment loading. The use of a slewing ring bearing provides yet another benefit.

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  • Crane Slewing Bearing Maintenance | SCIENCE PARK

    2020-10-3 · 18 Selection of slewing bearing type 20 Selection of slewing bearing size 23 Application of slewing bearings 28 Slewing bearing gear 30 Lubrication 34 Application data sheet for slewing bearing arrangements 39 Mounting, inspection and storage 40 General information 42 Mounting recommendations 47 Inspection 49 Storage 51 Single row four-point ...

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  • Slewing bearings - SKF

    CONDITION MONITORING OF OFFSHORE CRANE SLEWING BEARING ASSEMBLIES. Safety is a non-compromising requirement for offshore platform cranes. Due to harsh operating conditions, the slewing bearing assemblies, including bolting arrangements, of offshore cranes are vulnerable to failure and there have been incidents in the past of entire cranes plunging into the sea.

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  • CONDITION MONITORING OF OFFSHORE CRANE

    2018-7-18 · MacGregor. Crane Model. GL 4528-2S. This load testing of MacGregor deck cranes was for a container vessel is equipped with 3x GL 4528-2S deck cranes with a capacity of SWL 45t at 28m radius. The vessel was scheduled for its 5 Yearly Cargo Gear Survey and overload testing was required with a proof load of 50T (proof load = SWL + 5T).

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  • structural failure of a cargo crane on the vessel LODZ 2 ...

    2010-5-4 · Comment and Analysis Cranes Damage The load Hook Bearing Bearing wear Lubrication Maintenance ... Analysis of particles of dried grease from the slew bearing of no. 1 crane was carried out by the Australian ... As the load reached the side of the ship, the crane driver checked the slewing gauge in his cab to see if the head of the jib was in ...

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  • This is how the world’s mightiest offshore cranes work ...

    2020-2-4 · Slewing bearing arrangement. A large bearing ring structure enables unrestricted rotation of the crane. It transfers the crane loads to the ship. The inner bearing ring is fixed to the circular ship-based tub structure. Teeth racks are fitted to the inner circle enabling crane slewing, as driven by …

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  • Services - sgcl.com.vn

    Measuring axial clearance of slewing bearing ring; Taking slewing bearing grease samples for ferrography analysis; Taking hydraulic oil samples for analysis; Carry out miscellaneous repair as necessary and possible with board means & time available during the inspection; We inspect & repair: The Deck-Cranes; The Engine Room Cranes

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  • The Condition Monitoring of Large Slewing Bearing

    Large slewing bearing is a special kind of rolling bearing with heavy load and very low rotation speed. It is important to carry out faults monitoring on this kind of rolling bearing.

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  • Oilfield Equipment Bearings

    2018-8-27 · Slewing Bearings for Cranes RBC provides a wide range of bearing solutions specifically designed for oilfield applications, with over 100 years in bearing design experience in rolling element bearings and engineered plain bearings. RBC utilizes the latest analytical tools that include solid modeling, finite element analysis, and proprietary ...

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  • No 11-08 Lifting gear - is you ship prepared to avoid ...

    2014-2-25 · (greasing) of the slewing bearing. The manufacturer’s revised maintenance instructions were not readily available onboard and the maintenance was not carried out as recommended. An analysis of the quality of the grease in the slewing bearing or a proper wear-down measurement would have detected abnormal wear and could have prevented the accident.

    Get Price
  • (PDF) Condition Monitoring of Low Speed Slewing

    Large slewing bearing is a special kind of rolling bearing with heavy load and very low rotation speed. ... Monitoring results showed that the slewing bearing of SL-Q1 ship loader was under ...

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  • ROLLIX : Slewing Ring bearing, high precision bearing ...

    ROLLIX : Slewing Ring bearing, high precision bearing, Special bearings. Contact us: by email [email protected] or by phone: 0033 2 51 45 94 94. Follow us on. , department of Defontaine group is the expert in special slewing rings from 100mm to 6000mm diameter,with and without gear, for all applications. 95% of our production is exported in ...

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  • Survey and Examination of Ships’ Lifting Appliances

    2011-11-23 · For derricks, deck cranes, hose handling cranes and engine room cranes, annual thorough examinations are to be held once in every 12 month period, unless otherwise stated by the ship’s flag administration. For deck cranes, derricks and engine room cranes, the surveyor will be required to examine the following items:

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  • MacGregor Lattice Boom Crane

    2017-7-14 · All moving parts run in oil or grease, which ensures minimum wear and tear, with the added value of silent running. All machinery is located inside the enclosed crane housing well protected against the corrosive offshore enviroment. Crane operation The three main crane movements – hoisting, luffing and slewing – are hydraulically driven.

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  • ALATAS SINGAPORE PTE LTD

    2019-10-4 · • Slewing Bearing Grease and Hydr. Oil Analysis Reports (will follow a bit later) • Signed Time sheets & Work Done Report • Delivery Notes. REPORT FINDINGS . The ALATAS SERVICE TEAM was invited to carry out proof load testing with water bags for mid ship Hose Handling cranes and also perform static load testing on provision cranes, pump

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  • structural failure of a cargo crane on the vessel LODZ 2 ...

    2010-5-4 · Comment and Analysis Cranes Damage The load Hook Bearing Bearing wear Lubrication Maintenance ... Analysis of particles of dried grease from the slew bearing of no. 1 crane was carried out by the Australian ... As the load reached the side of the ship, the crane driver checked the slewing gauge in his cab to see if the head of the jib was in ...

    Get Price
  • This is what makes the cranes of the Sleipnir special ...

    2020-4-2 · Slewing bearing arrangement. A large bearing ring structure enables unrestricted rotation of the crane. It transfers the crane loads to the ship. The inner bearing ring is fixed to the circular ship based tub structure. Teeth racks are fitted to the inner circle enabling crane slewing, as driven by …

    Get Price
  • Application analysis of slewing bearing in various

    The ship crane generally use double row reducing ball, four point contact ball slewing bearing three rows of rollers, the inner tooth structure, according to the bearing capacity of the different, the three row roller slewing bearings are usually used for heavy-duty cranes, four point contact ball slewing and double row reducing ball turntable ...

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  • (PDF) Condition Monitoring of Low Speed Slewing

    Large slewing bearing is a special kind of rolling bearing with heavy load and very low rotation speed. ... Monitoring results showed that the slewing bearing of SL-Q1 ship loader was under ...

    Get Price
  • No 11-08 Lifting gear - is you ship prepared to avoid ...

    2014-2-25 · (greasing) of the slewing bearing. The manufacturer’s revised maintenance instructions were not readily available onboard and the maintenance was not carried out as recommended. An analysis of the quality of the grease in the slewing bearing or a proper wear-down measurement would have detected abnormal wear and could have prevented the accident.

    Get Price
  • DNVGL-ST-0377 Standard for shipboard lifting appliances

    2016-5-19 · 1.1.4.1 For lifting appliances covered by the class notation, Crane, see RU SHIP Pt.6 Ch.5 Sec.3 Permanently installed cranes – Crane. 1.1.5 Definitions, abbreviations, symbols and references 1.1.5.1 Accessories Load-bearing, not rigidly attached, interchangeable parts which may be integral components of lifting

    Get Price
  • MacGregor Lattice Boom Crane

    2017-7-14 · All moving parts run in oil or grease, which ensures minimum wear and tear, with the added value of silent running. All machinery is located inside the enclosed crane housing well protected against the corrosive offshore enviroment. Crane operation The three main crane movements – hoisting, luffing and slewing – are hydraulically driven.

    Get Price
  • (PDF) Design and Analysis of Column Mounted JIB

    INTERNATIONAL JOURNAL OF RESEARCH IN AERONAUTICAL AND Vol.3 Issue.1, MECHANICAL ENGINEERING January 2015. ISSN (ONLINE): 2321-3051 Pgs: 32-52 Design and Analysis of Column Mounted JIB Crane K Suresh Bollimpelli1, V Ravi Kumar2 1 ASR College of Engineering & Technology, [email protected] 2 ASR College of Engineering & Technology ...

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  • Crane Rotation Bearing | Products & Suppliers |

    2021-6-11 · Description: Mast Type Jib Cranes are floor supported, top stabilized, and capable of 360° rotation via a top and bottom bearing assembly. They are the most cost effective of the 360° rotation jib styles because their efficient design usually requires no special foundation. Here are Crane Type: Jib Crane - Floor Mount; Horizontal Available Span: 0.0 to 20 ft

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  • ALATAS SINGAPORE PTE LTD

    2019-10-4 · • Slewing Bearing Grease and Hydr. Oil Analysis Reports (will follow a bit later) • Signed Time sheets & Work Done Report • Delivery Notes. REPORT FINDINGS . The ALATAS SERVICE TEAM was invited to carry out proof load testing with water bags for mid ship Hose Handling cranes and also perform static load testing on provision cranes, pump

    Get Price
  • No 11-08 Lifting gear - is you ship prepared to avoid ...

    2014-2-25 · (greasing) of the slewing bearing. The manufacturer’s revised maintenance instructions were not readily available onboard and the maintenance was not carried out as recommended. An analysis of the quality of the grease in the slewing bearing or a proper wear-down measurement would have detected abnormal wear and could have prevented the accident.

    Get Price
  • High Quality Crane Swing Bearing 360 Degree

    High Quality Crane Swing Bearing 360 Degree Rotation Jib Crane Bearings , Find Complete Details about High Quality Crane Swing Bearing 360 Degree Rotation Jib Crane Bearings,Crane Wheel Bearings Jkos 035,Crane Wheel Bearings Jkos 020 Roller Bearings,Crane Wheel Bearings Jkos 020 from Material Handling Equipment Parts Supplier or Manufacturer-Henan Finework Cranes Co., Ltd.

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  • (PDF) Condition Monitoring of Low Speed Slewing

    Large slewing bearing is a special kind of rolling bearing with heavy load and very low rotation speed. ... Monitoring results showed that the slewing bearing of SL-Q1 ship loader was under ...

    Get Price
  • Liebherr components for wind energy - Liebherr

    Ship cranes Areas of application Cylinder luffing ship cranes – CBW Wire luffing ship cranes - CBB Special design ship cranes Floating transfer solutions Barge slewing cranes Four-rope grab cranes – CBG Areas of application Maritime technology Active Heave Compensation ... Liebherr grease analysis (PDF, 1.7 MB) Pitch cylinders for wind ...

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  • Liebherr-Component Technologies Large ... - slewing.ru

    2020-2-6 · has almost 60 years experience in the development, design and manufacture of ball bearing and roller bearing slewing rings. Since company founder Hans Liebherr developed the first ball bearing slewing ring for cranes in 1955, approximately 300,000 large diameter bearings have been produced for use worldwide in the most diverse applications.

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  • DNVGL-ST-0377 Standard for shipboard lifting appliances

    2016-5-19 · 1.1.4.1 For lifting appliances covered by the class notation, Crane, see RU SHIP Pt.6 Ch.5 Sec.3 Permanently installed cranes – Crane. 1.1.5 Definitions, abbreviations, symbols and references 1.1.5.1 Accessories Load-bearing, not rigidly attached, interchangeable parts which may be integral components of lifting

    Get Price
  • (PDF) Survey and Examination of Ships' Lifting

    Academia.edu is a platform for academics to share research papers.

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  • Lubrication matters | SKF Lincoln | SKF

    SKF’s new Lincoln mechanical grease overflow prevention system is designed to prevent hazards associated with reservoir overfilling. It is a product that improves worker safety and minimizes environmental concerns caused by this type of spill. FIND OUT MORE. A partnership for paper.

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  • GUIDELINES TO SURVEYOR Hull & Machinery details

    2013-11-25 · GUIDELINES TO SURVEYOR Hull & Machinery details GENERAL In addition to the document “STANDARD APPOINTMENT AND INSTRUCTION TO SURVEYOR”, following guidelines should be carefully considered when a Survey is performed: APPLICABLE TO ALL H&M SURVEYS: Classification: It should be reported if the Classification Society has been informed about the casualty.

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  • An integrated risk assessment for maintenance

    2020-2-7 · This article presents an integrated risk assessment methodology for maintenance prediction of oil wetted gearbox and bearing in marine and offshore machinery with emphasis on ship cranes. Predictive maintenance uses important parameters measured in …

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  • LYHY ferris wheel bearing ,ship loader bearing,mobile ...

    2020-2-29 · Removing the bearing rust inhibitor, rust, it can not be placed in the air. For have a grease-enclosed bearing, can be used directly without washing. four point contact ball slewing bearing installation method, because the bearing structure, with the condition varies, in general, due to multi-axis rotation, so the inner need interference fit ...

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  • for Slewing Ring Bearings - podshipnik-mo.ru

    2019-12-5 · ©Kaydon Corporation Issue 11 Slewing Ring Bearings Catalog 390 1-800-514-3066 www. kaydonbearings.com 13 Section 2 Technical Information Technical Information & Guide Function of a slewing ring bearing A bearing serves as a connection between two adjacent structures, allowing rotation and transmission of load between them.

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  • Survey and Examination of Ships’ Lifting Appliances

    2011-11-23 · For derricks, deck cranes, hose handling cranes and engine room cranes, annual thorough examinations are to be held once in every 12 month period, unless otherwise stated by the ship’s flag administration. For deck cranes, derricks and engine room cranes, the surveyor will be required to examine the following items:

    Get Price
  • Lubrication matters | SKF Lincoln | SKF

    SKF’s new Lincoln mechanical grease overflow prevention system is designed to prevent hazards associated with reservoir overfilling. It is a product that improves worker safety and minimizes environmental concerns caused by this type of spill. FIND OUT MORE. A partnership for paper.

    Get Price
  • SEAPACE - mtip.gov.mt

    2015-12-10 · discharged by shore cranes until such time the remaining cranes could be thoroughly inspected. The safety investigation concluded that the immediate cause of the accident was the failure of the slewing ring due to pre-existing upper and lower circumferential fatigue cracks. The fatigue cracking initiated at the undercut fillets above and below the

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  • GUIDELINES TO SURVEYOR Hull & Machinery details

    2013-11-25 · GUIDELINES TO SURVEYOR Hull & Machinery details GENERAL In addition to the document “STANDARD APPOINTMENT AND INSTRUCTION TO SURVEYOR”, following guidelines should be carefully considered when a Survey is performed: APPLICABLE TO ALL H&M SURVEYS: Classification: It should be reported if the Classification Society has been informed about the casualty.

    Get Price
  • FRB Bearings Co.,Ltd: July 2018

    2018-7-31 · FRB Bearings providing:Cross roller bearing,YRT rotary bearing,Slew drive,Thin wall bearing,Slewing ring bearing,Roller & Ball bearing www.frb-bearings.com Tuesday, July 31, 2018 3 Reasons-Why crossed roller bearing is the most suitable for robot arm?

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  • Five Common Causes of Crane Failure - Maritime

    2017-7-9 · 1. Wires. Wire failures are the most common cause of crane incidents. On a ship’s crane, wires can fail due to being overloaded, fatigued, having a pre-existing defect, or suffering from ...

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  • Liebherr Orion crane failure under 5500t load test ...

    2020-5-4 · RE: Liebherr Orion crane failure under 5500t load test. JJPellin (Mechanical) 7 May 20 14:52. The plate at the bottom is probably there to lock the nut so it can't unscrew. The holes coming in radially in the outside diameter of the nut could be for the tooling used …

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