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2019-1-7 · The Rocking Test need to be carried out according to manufacturer recommendation.Measurements are typically taken in four positions on the slew bearing, with the jib pointing: • forward to the ship • starboard • aft • port side.
Get Pricebearing must have rocking tests carried out, in accordance with manufacturer’s instructions, to determine that the amount of wear in the bearing races is within permitted limits. Although cranes with single ball race slew bearings are considered to be most at risk, rocking tests on all deck cranes,
Get Price2021-1-4 · Without accurate slewing bearing inspections, the classification may not be completed, and more wear may have occurred than the tests revealed. This process is commonly but inaccurately called a rocking test. The rocking test methodology is irrelevant in the marine sector as ship cranes do not have a counterweight so cannot rock. This means the measurements acquired show only the slewing bolts’ …
Get PriceThe slewing bearing rocking test should be done periodically for the bearing wear tracking and early failure detection. The measurement could be done from the inside and outside of pedestal. Follow the maker's recommendations and conduct the test at the same check points as during the initial test during commissioning in order all subsequent measurements have the same reference 0.
Get Price2020-3-27 · 1. About Rocking test (check of wear amount of slewing bearing) To grasp wear amount of slewing bearing, check the difference of incline (change of gap amount) of slewing bearing from upper limit (minimum reach ) to lower limit (max reach). In detail, please check attached procedure of rocking test. 2. Interval : Every 6 month ・ If class has other requirement of Rocking test interval, please follow it.
Get Price2012-11-15 · diameter of the bearing. The loa-ding principle is shown in Fig. 2. Fig. 1: Three-row roller bearing slewing ring – basic test setup for tilting clearance measure-ment. Fig. 4: Grease sampling set. Fig. 5: Example for three-row roller bearing slewing ring with grease sampling ports. Fig. 6: Single row ball bearing slewing ring with
Get Price2021-4-29 · Crane rocking test Slewing bearing weardown measurement. 6 months; 4 point checks; The deflection taken with jib up and down the valve should be certain limit.The gauge should be placed opposite. Posted by meoclassIIexamnotes at 7:47 PM.
Get Price2021-4-29 · Crane rocking test Slewing bearing weardown measurement. 6 months; 4 point checks; The deflection taken with jib up and down the valve should be certain limit.The gauge should be placed opposite. Posted by meoclassIIexamnotes at 7:47 PM.
Get PriceCrane slew bearing rocking test results For the swing testing procedure, we provide the following services to determine the validation of wear. To assess the bearing status of the ABS/API procedure, it is recommended that the initial gap or normal wear rate be determined first. ... Bearing slewing is an integral part of the faucet and should be ...
Get Price2015-2-3 · Rocking Test. It is a test which is carried out to find, wear down of the slew bearing of the deck crane on ships.this measures the play (or relative movement) between the inner and outer bearing race, to give an indication of the wear taking place.
Get Price2014-7-18 · If no rocking test has been carried out in the previous six months, the crane in question will not be certified for further use.It will also be recommended that the crane is taken out of service and the Lifting Appliance Register will be endorsed accordingly.
Get PriceThe rocking test is where the wheel bearing will be checked for quality by applying pressure to the top and bottom of the wheel. This creates a rocking motion on the wheel. If there is any open ended free play happening, this means the bearing is unstable and must be replaced.
Get PriceDeck crane slew bearing tests_UWE Slewing bearing-slewing ring/slewing bearing - Dalian United Wind Power Generation Bearing Co., L. Cranes fitted with this type of slew bearing must have rocking tests carried out, in accordance with manufacturer’s instructions, to determine that the amount of wear in the bearing races is within permitted limits. ...
Get Price2021-6-3 · Taking samples of the hydraulic oil and the slewing bearing grease for condition analysis Measuring axial clearance of slewing bearings (Rocking Test) Issuing ILO Form 2 and endorsing cargo gear logbook (S350-) Issuing comprehensive report summary of findings and recommendations, c/w Load Test Certificates and Load Test Protocol
Get Price2018-11-28 · The test plan was the lifting of two large bags, with about 10 tons of water. During the test, it was observed that the cable seemed to be slipping, with the weight dropping to about 2 meters. It was recalled that the crew operating the deck slewing crane attempted to lift the bags of water again but suddenly the weight dropped further 2 meters.
Get PriceUp until the 1970s, it was common practice to use solid weights to test the safe working loads of cranes in the North Sea oil and gas installations. At the end of that decade, WATER WEIGHTS® water-filled proof load bags became the chosen alternative. They were safer, more flexible and since the bags themselves weigh only 2% of the total ...
Get Price2008-5-23 · Slewing Bearing ROTHE ERDE NOT STATED DEC 1994 Sequential Results LQS Reference Client Reference ... Rocking Tests mm 0.17 0.15 0.18 LQS Report Page 1 Rating Key A = Suitable for Further Service ... Rocking Tests Rocking Test (mm) Iron (mg/kg) 1 10 100 1000 10000
Get Price2021-4-28 · For Test & Inspection Requirements:- ISO 4309 – Wire Ropes, Care & Maintenance ... • Measure wear of slew bearing (Rocking Test) ... • Slewing bearing ring collapsed and disintegrated . Proof Testing of a Crane after a Repair. Pedestal Crane Turret . Weight used during Proof Testing
Get Price2020-9-11 · Slewing gear rocking test and bolts tightening check· ... Slewing Bearing Wire Rope Wire Sheave Bearing/Bush Shaft Pump/Motor/Cylinder Oil Cooler Gearbox Brake /Drive In Unit Hose Pipe/Fitting Control Valve Seal Kit/Filter Element STEEL FITTING HYDRAULIC ELECTRICAL CONTROL Joystick Potentialmeter ...
Get Price2021-5-7 · ORIENTAL_Procedure For rocking test - Read online for free. Scribd es red social de lectura y publicación más importante del mundo. Abrir el menú de navegación
Get PriceCONDITION 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.
Get Price2021-6-4 · The test essentially consists of loading a rigid plate at the foundation level and determining the settlement corresponding to each load increment. The ultimate bearing capacity then takes as the load at which the plate starts sinking at a rapid rate. The bearing plate is squared, of minimum size, 30 cm 2 and the maximum size is 75 cm 2. The ...
Get PriceUp until the 1970s, it was common practice to use solid weights to test the safe working loads of cranes in the North Sea oil and gas installations. At the end of that decade, WATER WEIGHTS® water-filled proof load bags became the chosen alternative. They were safer, more flexible and since the bags themselves weigh only 2% of the total ...
Get Price2021-4-28 · For Test & Inspection Requirements:- ISO 4309 – Wire Ropes, Care & Maintenance ... • Measure wear of slew bearing (Rocking Test) ... • Slewing bearing ring collapsed and disintegrated . Proof Testing of a Crane after a Repair. Pedestal Crane Turret . Weight used during Proof Testing
Get Price1999-12-1 · SKF, the world's leading bearing manufacturer, provides a wide range of slewing bearings and support services available to onshore and offshore oil and gas operators. Services cover all aspects of this critical application, in particular bolt preload checks, ultrasonic crack detection and grease analysis.
Get Price2021-5-7 · ORIENTAL_Procedure For rocking test - Read online for free. Scribd es red social de lectura y publicación más importante del mundo. Abrir el menú de navegación
Get PriceCONDITION 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.
Get Price2015-2-3 · 5) Visual inspection of Slewing bearing and Slewing gear pinions. 6) Visual inspection of Hook Block. 7) Inspection of hoisting/luffing winch and slewing gears. 8) Hydraulic System Inspection a) General check of tightness b) General check for leakage in the hydraulic systems c) Condition of all the hoses and fittings
Get Price2021-6-4 · The test essentially consists of loading a rigid plate at the foundation level and determining the settlement corresponding to each load increment. The ultimate bearing capacity then takes as the load at which the plate starts sinking at a rapid rate. The bearing plate is squared, of minimum size, 30 cm 2 and the maximum size is 75 cm 2. The ...
Get Price2016-5-19 · Load-bearing, not rigidly attached, interchangeable parts which may be integral components of lifting appliances and loose gear as well as employed individually, such as: Hooks, blocks, shackles, swivels, rings, chains, claws, clamps, pliers, load fastening ropes (slings/strops), lifting straps, etc. 1.1.5.2 Active cable tensioning system (ACT)
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