collahuasi sag mill failure

Electrical equipment for Collahuasi ABB

In 2001 ABB received an order comprising drives and ring motors for one SAG mill and two ball mills In the same year ABB also won a contract for electrical equipment for a large-scale conveyor system consisting of rising and downhill belts and storage facilities where supplied five 2...

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Grinding Mill Foundations

Sep 23 2014 0183 32 The failure was traced to the gear forces as these matched one of the natural frequencies of the foundation piers Collahuasi Cadia or Freeport The El Teniente SAG mill foundations had to be stiffened as did the stator frame to ensure there would be no vibration because the soil properties were very poor...

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Optimisation of Slope Angles at Rosario Mine Collahuasi

What probability of failure or reliability The Rosario Open Pit has a history of failure poor quality rocks and high pore pressur It was decided to deepen the pit below the programmed design to test the practicality of different design approaches which if successful could be used to improve the economics of mining at Collahuasi...

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The Siemens 42ft gearless mill drive still an

tural failure The gap between the model and the real sys-tem is usually closed by prototype testing however this is The Collahuasi engineers are the professionals with the SAG-Mill GMD delivered by Siemens The aim of the test...

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Engineering Project History

Collahuasi Mine Component Failure Analysis Ball mill repair support Ball Mill Gear Failure Analysis Analysis of SAG mill motor drive failures Regrind Mill Refurbishment Project management inspection and technical services for the refurbishment and installation of used ball mill...

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Continental consolidates all its conveying solutions under

Jan 19 2021 0183 32 Continental says it has strategically sharpened its profile as a provider of service and complete conveying solutions and therefore has opted to unify its portfolio under the Continental brand In the future all products technologies and services know-how and expertise will be combined under the Continental brand Decisive drivers are our customers...

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luis_magnepdf Mill Grinding Industrial Equipment

32 feet Collahuasi SAG mills have the best condition of slurry evacuation in trommel = 61 m3/h/m2 Antaminas SAG mill has the worst condition of slurry evacuation in trommel = 222 m3/h/m2 Esperanza and Escondidas SAG mills have high values of but they have a screen Trommel of 40 feet SAG mill of Collahuasi has an high value of = 172 m3/h/m2...

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PDF Developments in AG / SAG mill modelling

The so-called variable rates model Morrell and Morisson 1996 was used to simulate SAG mill performance and model parameters were fitted using data from surveys of the circuit undertaken in 2006...

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Engineering and Project Management History

Collahuasi Mine Component Failure Analysis Ball mill repair support Ball Mill Gear Failure Analysis Analysis of SAG mill motor drive failures Regrind Mill Refurbishment Project management inspection and technical services for refurbishment of used ball mill Oceanagold Philippines Inc...

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The arrival of Siemens low speed dual

Feb 07 2017 0183 32 Logistic challenge New stage goal The arrival of the low speed dual-pinion mill drives for Collahuasi Copper Mine Chile Siemens Mining industry...

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OS 2015 123 COLLAHUASI MOLINO SAG REV 03

Feb 11 2016 0183 32 About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy Safety How YouTube works Test new features Press Copyright Contact us Creators...

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AUTOMATION ADVANCED CONTROL EXPERT ACE

DO 209 A INÉS DE COLLAHUASI 7 SAG MILL ACE 8 SUCCESS STORY ANTOFAGASTA PLC MINERA LOS PELAMBRES 9 THICKENER ACE 10 FLOTATION ACE 11 3 Operational manager Optimization with ACE Stabilization with BrainWave DCS / Control system Goals and limits Information and strategies Set points Process information Set points...

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SAG MILL DISCHARGE SCREENS

SAG MILL DISCHARGE SCREENS-TROMMEL vs VIBRATING After that failure which occurred after about six or seven years we had we heard this morning is using a trommel with conveyors and a crusher Collahuasi has a trommel and Escondida on some of their lines has trommels...

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Collahuasi magnifies machine learning value

To illustrate for one SAG mill the model s output revealed that the optimal ball charge was 18 which differed from the 195 at which the SAG typically operated figure 1 below Changing...

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Collahuasi Copper Mine Northern Chile

Jan 12 2021 0183 32 Collahuasi copper mine is situated in northern Chile about 180km southeast of the port of Iquique at an altitude of 4 400m The mine is jointly owned by Anglo American 44 Glencore 44 and Japan Collahuasi Resources 12 The operating company is Cia Minera Doña Ines de Collahuasi...

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SAG Mill Grinding Circuit Design

Metallurgical ContentBall Charge Motion inside a SAG MillSAG Mill OperationSemi Autogenous Design FactorsSAG Mill Operation ExampleProcess Plant DescriptionSAG Mill Design and Specification Operating Problems Since CommissioningDesign Changes and Future Operating Strategies AG and SAG mills are now the primary unit operation for the majority of large grinding circuits and form the...

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DISE 209 O DE MODELO PREDICTIVO MULTIVARIABLE PARA

Compañía Minera Doña Inés de Collahuasi con el objetivo de desarrollar un modelo que fuera capaz de predecir el comportamiento no lineal de la potencia de uno de los molinos SAG de CMDIC teniendo como entradas del modelo las variables mineralógicas durezas y granulometría de...

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Major Mines Projects Chuquicamata Mine

The mill employs two 32-ft SAG mills feeding a complex arrangement of rod and ball mills A final grind size of 219 microns is achieved before the slurry is passed on to flotation The mill head grade for sulfide processing is approximately 08 Cu and also contains significant amounts of molybdenum making two separate concentrates viable...

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Chile Collahuasi copper mine set for strong 2008 Reuters

Feb 25 2008 0183 32 Collahuasi output slowed in early 2007 after a major SAG mill or grinding mill was shut for 46 days for repairs The time taken to repair the mill the largest of three grinding circuits at the...

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SAG MILLS OPTIMIZATION IMPLEMENTATION AND

Mill Capacity Open SAG Plant Diameter feet Diameter feet Long feet Screen tph Wide mm Long mm Area CMDI Collahuasi 32 14 4 13 6 No 1320 15 30...

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Project Development South America Region

Jan 01 2011 0183 32 second SAG mill and a fourth ball mill to increase throughput Capacity expanded 38 from current 94ktpd to 130ktpd Indicative capital cost US 13 billion 100 Over 4 900 construction workers on project Description...

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Preprint 13

SAG mill conference provided details of the then largest gear drive in operation on a SAG mill 34ft x 18ft at Escondida 134MW which began operation in 1995 The reason for not having larger gear drives was due to the limitation of gear manufacturers not having access to larger single piece special alloy castings To the benefit of...

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Machinery Failure

Failure Analysis of a SAG Mill Towards the end of its service life a 34ft diameter SAG mill developed cracks in the corner weld Our engineer inspected the mill Finite Element Analysis FEA was conducted on the shell to determine the reduction in stress intensity at the repaired site Recommendations were provided for its continuing use and...

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A novel approach to the geometallurgical modelling of the

Oct 01 2009 0183 32 Having related SAG mill throughput to SAG mill power and the ball mill circuit P 80 the data was then reduced to a series of curves representing the relationship between the SAG mill specific power consumption SPC which is the SAG mill power draw divided by throughput and the ball mill P 80 for each UGM Fig 3 shows the six resulting...

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Sag Mill Pinion Damage

Collahuasi Sag Mill Failure Collahuasi SAG Mill échec tagcongr collahuasi sag mill failure sag mill fault_collahuasi sag mill failure sag mill faultchichacharleroibe economic life of sag mill it was identified there was an insulation anomaly in the rotor which exposed the business to the risk of Chat Online ball mill pinion...

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Collahuasi Chile

The ore body is classified into six so-called UGM units and the SMC Test is used extensively in describing the SAG mill hardness variability in each of these units within a time horizon of up to 5 years The approach adopted by the Collahuasi engineers was to develop relationships between grinding circuit throughput and ore hardness and final...

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Mill Pinion Failure Modes

Sag Mill Pinion Failure Modes-India Crusher Mill sag mill pinion failure modes Water Words Glossary - NALMS - North American Lake Management A water right which has not been put to Beneficial Use for generally...

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PDF Selection and design of mill liners

The mill has an unfavourably close liner spacing with 40 rows of liners in an 18ft mill The SAG mill drilling would conventionally be 34 rows and this is too many Powell et al 2006 These...

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Collahuasi sag mill failure

Collahuasi Sag Mill Failure hopetrustcoza collahuasi sag mill failure ninanscollege Sag Mill Pinion Failure mayukhportfoliocoin Sag Mill Pinion Failure it is a technical failure on its SAG mill in 2008 It was for ball mill installation Collahuasi Mine Component Failure Get Support Online Oline Chat...

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