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Condition Monitoring On Sag Mill

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2018-3-4OPTIMAL SAG MILL CONTROL USING VIBRATION DIGITAL SIGNAL PROCESSING TECHNIQUES ... The basic vibration monitoring system consists of three wide bandwidth custom vibration sensors as shown in Figure 1. Two are mounted on fixed ends of the mill while the third is placed on the mill shell ... When this condition occurs, we are now in a position ...

SKF supplies mill pinion assemblies for a SAG mill in

2019 July 15, 0944 Africa. SKF supplied locally manufactured mill pinion assemblies including in-house designed bearing housings as well as a Taconite sealing solution to a longstanding customer in the local grinding mill sector intended for a 22x14 ft. SAG mill at a gold project in Russia.

Case story Monitoring noise to prevent mill damage

2019-12-28The main benefits of this type of reliable SAG mill monitoring are accurate and repeatable decibel signals at the various frequencies information that is used to protect the mills. The next phase of the project is to provide measurements that can help customers operate a SAG or AG mill optimally.

Gearless mill drive GMD and digital services for

The company selected ABBs 26 MW gearless mill drive system GMD for the mines 40 ft SAG mill, as well as other drives, electrical infrastructure equipment and a long-term service agreement LTSA. This is expected to reduce operating costs, improve process throughput and reliability while saving energy and keep equipment in top form.


2017-1-30AUTOMATED CONDITION MONITORING OF MILL BALL SIZE DISTRIBUTION AND GRATE OPEN AREA Jochen Franke, Stan Michalek, Paul Schurmann and Olga Achkar Scanalyse Pty Ltd, Australia Prof. Dr. Geoffrey West Curtin University of Technology, Australia ABSTRACT Grinding medhl in coarse grinding tumbling mills constilute the higgest cUl1swl1able cost 10 a

Noise monitoring for optimal mill operation - Brel

Noise monitoring for optimal mill operation. Mining companies around the world continue to face the challenge of increasing productivity and reducing downtime. As part of its SAG mill control system, Manta Controls developed the Manta Mic a robust and reliable acoustic analyser that prevents mill damage.

Choosing vibration monitoring methods -

2019-12-26A SAG mill is generally used as a primary or first-stage grinding solution. Attrition between grinding balls and ore particles causes grinding of finer particles.SAG mills are primarily used at gold, copper and platinum mines with applications also in the lead, zinc, silver, alumina and nickel industries.

Propheto Condition Monitoring Predictive

Propheto Condition Monitoring Predictive Maintenance Platform Maximize industrial system availability. Industrial equipment gets more and more complex, and so does its maintenance. The latter usually takes up around 60 of the total lifecycle cost, but downtime due to breakdowns may impose even larger expenses. To reduce costs ...

vibration analysis on a ball mill | Solution for ore mining

Machinery Condition Monitoring and Predictive Maintenance Posts About vibrationalignmentbalance Ball Mills and Sag Mill Analysis of the vibration pattern of an II-100 II-101 INTRODUCTION. torsional vibration analysis of the mill system if the mills are driven two 22 ft ball mills in the grinding circuit. In that project, the owners

Ok Tedi plans for long term with SAG mill upgrades by ...

2019-12-31With the increase of mill motor capacity to 4.2 MW megawatt, momentary power limitations and throughput restrictions caused by changing ore hardness in the mill are eliminated. The online condition monitoring system will allow OTML to track

SAG Mill Rewedge Work in record time - ABB Ltd

2018-5-10SAG Mill Rewedge Work in record time Climax Molybdenum USA Terry Reader, Electr. ... Condition Monitoring Lifecycle Management Climax Molybdenum - Long Term Service Agreement May 3-5, 2017 Slide 2 Mining User Conference 2017, Stockholm. Lifecycle Management Climax Molybdenum - Long Term Service Agreement ... 2016 SAG Mill Re-Wedge Project 5 ...

Automated condition monitoring of mill ball size ...

Automated condition monitoring of mill ball size distribution and grate open area . ... and therefore preventing the desireed top size product from exiting the mill.SAG mill throughput requires grate holes to remain open or else throughput is restricted. Many grates in operation are pegged by grinding media to varying degrees of severity.

Multotec-manufactured SAG mill trommel screens

2020-1-2It can also supply a range of rubber shell plates and lifter bars to protect the SAG mill trunnion against wear. Providing long term customer support is one of the major advantages that Multotec offers, Fouche says. Our experienced competent field service crews maintain the screening media and provide condition monitoring on the ...

Permanent Machinery Condition Monitoring Specialist ...

2016-1-16Tensor Systems has an Online Permanent Condition Monitoring System on the first 4 roughing stands of the 16 stand Waratah bar mill. These stands have ratios of up to 2501 using up to 2 epicyclic gearbox followed by a large reduction gearbox, including internal roll position adjustment for

Electronic ear in SAG mill | Automation Control ...

2004-8-25We have an application in a SAG Mill where we have installed an electronic ear in order to listen the noise produced by the balls falling to the bottom of the mill. Our idea is to convert the amplitude and frequency of noise to a 4-20mA signal or something else in order to determine if the ball is crushing the mineral or the mill lining.

Automated condition monitoring of mill ball size ...

Franke, Jochen and Michalek, Stan and Schurmann, Paul and Achkar, Olga and West, Geoffrey. 2010. Automated condition monitoring of mill ball size distribution and grate open area, in Kracht, W. and Kuyvenhoven, R. and Montes-Atenas, G. ed, Procemin 2010 - 7th International Mineral Processing Seminar, Dec 8 2010, pp. 283-290.

Hawkeye Condition Monitoring

Hawkeye Condition Monitoring Hawkeye is a web-based system that has been developed by Multotec to capture and record wear and life data for mill liners, screen panels and cyclone components. Measuring component wear during operation and capturing this data on Hawkeye facilitates the accurate prediction of the next change out date as ...

Model Predictive Control for SAG Milling in Minerals ...

2016-6-21Model Predictive Control for SAG Milling in Minerals Processing | 5 Model Predictive Control on a SAG Mill and Ball Mills The solution for the SAG Mill is an adaptive controller which controls mill load using direct mill weight measurement or indirectly from bearing oil pressure.

Mining Solutions - Automation Technology US -

Crusher production rate monitoring. Crusher condition monitoring. Process Flow Measurement. Dynamic converyor weighing for ore feed to mill. Ore storage level monitoring. Monitoring of production rates . Optimal crusher level control. SAG mill level control. SAG mill temperature monitoring. SAG mill condition monitoring. Ball mill temperature ...

Mill Relining Dawsons

2019-9-27We specialise in relining, condition monitoring and reliability initiatives, inspection and reporting, crusher and feeder maintenance and rebuilds, screens and chutes, and related plant and equipment upgrades and overhauls. Recent Projects. ... 10.4M SAG mill 6.1m Ball mill

ABB launches new package of remote diagnostic services ...

Baden, Switzerland, December 11, 2014 ABB, the leading power and automation technology group, has re-packaged its proven and tested service offering for gearless mill drives GMD remote diagnostic services with the launch of a newly created product package ...

AG SAG Mill Grinding Circuit Automatic Control

2019-12-31It is obviously well understood that autogenous AG and semi-autogenous SAG mills operate quite differently from conventional rod mill or ball mills. Since these mills are of a grate discharge type, they operate with varying loads, with the power drawn by the mill being dependent upon the volumetric load within the mill and factors that influence the viscosity of the charge, as shown in Figure 1.

Metso QdX4 Mill Drive system

2017-4-21Metso QdX4TM Mill Drive system ... SAG mill 36 ft. dual drive SAG mill 40 ft. Metso QdX4TM Mill Drive Foundation deformation CMD test bench Condition monitoring Foundation Standard design Standard gear driven foundation loading. Seismic loading easily calculated. No static or dynamic modal analysis required.

Performance enhancement tools for grinding mills

2009-8-26The load movement inside of a SAG mill can be ... Figure 7. High-noise, associated with a low mineral hold-up condition as displayed by CoolEdit software and reflected as sound amplitude over time Figure 8. Impacts superimposed over mill noise as displayed by CoolEdit software and reflected as ... PERFORMANCE ENHANCMENT TOOLS FOR GRINDING MILLS ...