• Mon - Sun: 24/7 online service for you
Get A QUOTE

gearless sag mill maintenance schedules

When ABB built its first Gearless Mill Drive (GMD) for a cement plant

When ABB built its first Gearless Mill Drive (GMD) for a cement plant

WhatsApp:+8617329420102

sag mill lifter de outer pattern m 10787 02 oem 13206

The grinding circuit consists of one semi-autogenous (SAG) mill Ø9.75 m 4.27 m, two ball mills Ø5.6 m 7.1 m and a pebble crushing circuit, which is usually called a SAG-ball mill-crusher configuration. The SAG mill was originally equipped ... Read More, SAG Mill Liner Design - Mineral Processing & Metallurgy,

WhatsApp:+8617329420102

AG mills for Sino Iron Project - Australian Mining

Five 40-foot AG (autogenous grinding) mills will be used for grinding the ore. For the ore mills, Siemens is supplying the gearless drives, each with an output of 28 MW. These systems are the most powerful mill drives available on the market. Moreover, gearless drives are more efficient than geared motors.

WhatsApp:+8617329420102

Vertical Specific Services | Siemens LDA Portal

Vertical Specific Service Contracts, Gearless Mill Drive, Assets Health Analytics (AHA) Mine Winder, Belt Conveyor, Smart High Voltage Cables, Tailored Services for the Mining Industry, In the mining industry, in addition to safety, plant availability and reliability are top priorities, since every failure means serious losses for the operator.

WhatsApp:+8617329420102

ABB's new Gearless Mill Drive generation: Maintenance-friendly features ...

Ball Mill SAG Mill Figure 2 Core pressing system with spring plate/washer and re-tightening statistics in a typical installation Access to the inside of the motor and the cooling system The easier the access to the inside of the motor is, the more convenient and efficient is the work on the motor.

WhatsApp:+8617329420102

Kinross Gold : Company revises 2021 production guidance and maintains ...

At the time the fire began the SAG mill was shut down and undergoing scheduled maintenance, including welding. ... discharge bearing and the mill's gearless motor drive, all of which are important considerations in determining the time and cost required to restart the mill. ... the estimated cost and projected timing of repairing and re ...

WhatsApp:+8617329420102

Move to Zero Unplanned Downtime

operating SAG Mill ring gear. Because this defect only affected one direction, the company operated the mill in the "good" direction until it could be shut down on a planned basis. REDUCE MAINTENANCE COSTS Reduce Spending by Eliminating Maintenance A South American mining company reengineered its processes by investing in Emerson's condition

WhatsApp:+8617329420102

Wayne - Control Room Operator / Senior Process Operator / Trainer ...

Operation of Gearless SAG & Ball Mills Commissioning of Reagent Dosing Facilities Bulk Sulphide Copper Floatation Circuit. Key responsibilities include but not limited to :-Commissioning of 3500tn/hr Copper Float Plant Providing Advice / Guidance on Process Control to Senior Local Personnel

WhatsApp:+8617329420102

ABB gearless mill drive & digital services help increase production by ...

The company selected ABB's 26 MW gearless mill drive system (GMD) for the mine's 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.

WhatsApp:+8617329420102

cyclones Archives - International Mining

will deliver the three gearless SAG mills, three gearless ball mills and cyclones to the site by late-2023. The OEM was chosen to deliver the equipment due to the high reliability and efficient performance of our SAG and ball mill technologies, it said. The Josemaria open-pit mine is a high-grade copper-gold porphyry project.

WhatsApp:+8617329420102

ABB process control and automation solutions for mines

Conga: The world's first 42-foot diameter 28 MW gearless SAG mill (English - pdf - Technical publication) Copper Mountain: Overview on the grinding mills and their dual pinion mill drives (English - pdf - Technical publication) Insurability of large gearless mill drives (English - pdf - Technical publication)

WhatsApp:+8617329420102

Gearless Mill Drive Retrofit - ABB

inspection, modifications and re-testing in Sept 2003, - Civil works for SAG mill completed in mid 2004, - Civil Woks & Motor/Mill Installation took place in 3rd& 4th, quarter 2004, - Commissioning work started in Sept 2004, - First motor turn was end of Dec 2004, - Production start in Jan 2005, GMD project execution with E-House, May 3-5, 2017,

WhatsApp:+8617329420102

Shell vs Trunnion-Mounted Mills - eand.au

Both are sufficient to enable proper operation of both gear and gearless drives. The stiffness argument is a distraction brought about by the competitiveness of mill vendors. ... The Ernest Henry SAG mill has this design and although it has suffered contamination of the bearing oil by mill slurry, it has operated continuously since 1997 without ...

WhatsApp:+8617329420102

maintenance of mill motors - jakkalsvallei

Putting a Ball or SAG Mill on Care and Maintenance. Sep 11, 2015· The mine is closed and now you need to know how to put the SAG or Large Ball Mill in care and maintenance does not have to be complicated to the point where you need bridge erection equipment for lifting a Mill (AG/SAG/Rod/Ball). You actually need to lift a car higher than a mill.

WhatsApp:+8617329420102

Citic Sag Mill - Associazione LAICA

CITIC HIC manufacture a full range of Grinding Mills for the Mining Sector. Our largest mills has been delivered to SINO Site to date are Ø12.2m x 11m 28MW Gearless Drive AG Mills and Ø7.9m x 13.6m 2x8 MW Twin Pinion Drive Ball Mills. These mills are scheduled of start up on 2012. read more,

WhatsApp:+8617329420102

KAZ Minerals | Senior Metallurgy Crushing/Grinding

To lead and direct activities of the comminution team, ensuring that the 63"x114" Primary Gyratory crusher, a 40' diameter (28MW) gearless SAG mill, two 44' long (22MW) Ball Mills, two Raptor® XL1100 Cone Crushers, the HPGR and all ancillary equipment are operating continuously and effectively.

WhatsApp:+8617329420102

A&CA

• 24/7 support line - emergency telephone assistance with quick and reliable access to expert know how • Remote monitoring and diagnosis with augmented reality • Detection of deviations and failures Online monitoring • Commissioning of high power engines • Modernization of control systems • Control systems optimization Project execution

WhatsApp:+8617329420102

René Chacon, ABB, Switzerland, details how gearless mill drive systems ...

proactive scheduled monitoring and maintenance, as well, as remote diagnostic and troubleshooting services. This, range of services also includes training and facilitates the, transfer of best practices to the local mine maintenance, teams during the term of the agreement. Figure 1. Concentrator under construction. Figure 2.

WhatsApp:+8617329420102

Advantages Of Gearless Drives On Ball Mills

Our largest mills has been delivered to SINO Site to date are 12.2m x 11m 28MW Gearless Drive AG Mills and 7.9m x 13.6m 2x8 MW Twin Pinion Drive Ball Mills. These mills are scheduled of start up on 2012. Our market share in China exceeds 80% with, Technical And Commercial Benefits Of Gearless Mill Drives,

WhatsApp:+8617329420102

SAG Mill Success—Start with the Basics - womp-int

and discharge sections of the mill's liner are timed so that they need replacing in different months. End sections take about 15 hours to fit while the central section takes 36. Maximum life is gained from each section by monitoring the rate of wear and carrying out the replacement only when it becomes necessary. As mills

WhatsApp:+8617329420102

Ball Mill & Sag Mill Parts

Gearless Sag Mill Maintenance Schedules | co grinding with ball mill. SAG Mill Parts | Ball Mill Parts- Unicast Wear Parts Unicast SAG Mill parts and Ball Mill Wear Parts are custom-made to suit and find solutions that work for you Aim for the quickest delivery times in the industry More details Get Price A comparison of SAG mill power models ...

WhatsApp:+8617329420102

Lake Cowal|Emf - Emf|Precision Fixed Plant Maintenance

EMF has recently completed cleaning and inspecting the Ball and SAG mill gearless drive motors. This involves entering the motors through inspection hatches and meticulously brushing and vacuuming the internal windings along with a thorough inspection of the insulation, slip ring and pitch ring.

WhatsApp:+8617329420102

SAG Mill Success—Start with the Basics - womp-int

and discharge sections of the mill's liner are timed so that they need replacing, in different months. End sections take about 15 hours to fit while the central, section takes 36. Maximum life is gained from each section by monitoring the rate, of wear and carrying out the replacement only when it becomes necessary. As mills,

WhatsApp:+8617329420102

Alzhan Kh - Field Service Engineer - ABB inc | LinkedIn

Scheduled maintenance and support job. Feb 2020 - Feb 2020. Gold mine concentrator ... Mount Milligan, maintenance of SAG GMD Oct 2019 - Oct 2019. Preventive maintenance of gearless mill drive system Raglan mine, Glencore, SAG mill Aug 2019 - Sep 2019. Commissioning of ACS5000 Aktogay copper project ...

WhatsApp:+8617329420102

Putting a Ball or SAG Mill on Care and Maintenance

Then just set it all up and flick the switch to jack it up. The mill only needs a few millimeter of lifting (6mm-20mm max). This is typically done with hydraulic jacks, but need jacking cradles to support the shell. There should be a concrete "shelf" on the bearing pedestal beneath the shell where the jacks can be set up.

WhatsApp:+8617329420102

Xstrata Invests in Gearless Conveyor Drives | E & MJ

The potential savings over a traditional drive installation can be substantial. Gearless drives for conveyors present an interesting alternative for power requirements above 3 Megawatts (MW). The benefits include high availability and robustness, and reductions in operating costs, maintenance costs and noise. Evolution of the Gearless Drive

WhatsApp:+8617329420102

Daniel Slabbert - E & I Supervisor - Endeavour Mining | LinkedIn

• 2 x 28 MW 40Ft diameter x 26 Ft FL Smitdth Gearless Sag Mills • 3 x 1 MW Thyssen Krupp Gyratory crusher • 4 x MP 1250 Cone Crushers ( ) ... • Responsible for maintenance and breakdowns on 33kV, ABB VD 4X SF6 VCB's, ... quality assurance, subcontractor performance, and schedule, cost budgets, and quality. • New ...

WhatsApp:+8617329420102

Gearless Mill Drive Retrofit - ABB

Mill control functions - Ride through in case of MV supply network voltage drop/disturbances - This function will keep the drive online (<500ms) without tripping - When the mill load is frozen, "Frozen Charge Remover" can detach the sticky load. - Superimposition of torque steps in a sinusoidal manner. - The "controlled rollback" function is

WhatsApp:+8617329420102

outotec mw s ball mills

Outotec to deliver equipment for Gold Fields in Chile . Jun 17 2020 Outotec''s scope of work includes the design and delivery of one 4 MW semi autogenous grinding SAG mill and one 4 MW ball mill as well as five thickeners and one clarifier for different process phases The grinding mills are equipped with Outotec''s Polymer Hydrostatic Shoe Bearing HSB system which is a standard feature in all ...

WhatsApp:+8617329420102

Ore-grinding Mills

March 14, 2006 Siemens supplies gearless drive systems with "frozen charge shaker" for new ore-grinding mills in Zambia The Siemens Industrial Solutions and Services Group (I&S) has received an order from Equinox Copper Ventures Ltd. of Zambia to equip two ore-grinding mills for the Lumwana copper project with gearless "Simine Mill GD" drive systems.

WhatsApp:+8617329420102

Ball Mill & Sag Mill Parts jaw crusher spares main shaft bushing dealer ...

Our market share in China exceeds 80% with the largest mills supplied to date being a Ø7.9m x 13.6m 2x8.5MW Ball Mill and a Ø11m x 5.4m 2x8.5MW SAG Mill, being the largest...

WhatsApp:+8617329420102

Major Mines & Projects | Cobre Panama Mine

The three 28 megawatt SAG mills and four 16.5 megawatt ball mills installed at Cobre Panama are the largest installed anywhere in the world, except for Sentinel. Cobre Panama's eighth mill came on line in mid-December 2019, providing additional capacity on the third milling train. Description (Technical Report, March 2019)

WhatsApp:+8617329420102

, 12-Pulse connection. Twin 6-Pulse cycloconverter-fed synchronous ...

Fig. 4 shows the connection of a twin 6-Pulse cyclo- converter system to a 2-stator winding machine. The trans- formers have secondary windings with 30 degrees dis- placement in order to build a ...

WhatsApp:+8617329420102

Siemens setting the standards in mining - Djakarta Mining Club

It has been well proven that for these large capacity and high torque drive conveyors, the gearless drive enables efficiency to be increased by 3%, but beyond this it cuts down the necessary maintenance work and associated costs, as wearing parts such as couplings, motor bearings and gearboxes are no longer required.

WhatsApp:+8617329420102

to Design and Supply the World's Largest SAG Mill in Peru

Make an Enquiry has been selected to design and supply a 42ft x 25ft, (12.8m x 7.6m) 28MW gearless SAG mill, plus two 26ft x 42ft, (7.9m x 12.8m) 15.6MW ball mills and two VTM-1500-WB VERTIMILLS® for Newmont Mining's Yanacocha Conga copper-gold project in Peru. The 42ft diameter SAG mill is the world's largest and the first of its kind.

WhatsApp:+8617329420102

Gearless mill drive (GMD) and digital services for Kinross ... - Mining

The company selected ABB's 26 MW gearless mill drive system (GMD) for the mine's 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. Main data

WhatsApp:+8617329420102

Lake Cowal|Emf - Emf|Precision Fixed Plant Maintenance

Lake Cowal is a gold mine in NSW operated under Evolution Mining. EMF has recently completed cleaning and inspecting the Ball and SAG mill gearless drive motors. This involves entering the motors through inspection hatches and meticulously brushing and vacuuming the internal windings along with a thorough inspection of the insulation, slip ring ...

WhatsApp:+8617329420102

Gearless Mill Drive System

The Gearless Mill Drive system consists of the ring motor with its feeding cyclconverter, pre-installed in an E-house. ... ABB gearless mill drive system to power SAG mill. ... This is our decision on Protest 2809-00-100025, filed against your classification, under the Harmonized Tariff Schedule of the United States (HTSUS), of parts and ...

WhatsApp:+8617329420102

Vertical Specific Services | Siemens LDA Portal

Gearless Mill Drive. ... SAG mills process material worth around USD 1.2 million every day, so uptime is crucial. ... provides you with a tailored package of trainings, spare parts and an individual maintenance strategy. Once a year, scheduled preventive maintenance work makes sure that your assets meet EHS-regulations. In case of a failure ...

WhatsApp:+8617329420102

Batu Hijau Mill Throughput Optimization: Milling Circuit Configuration ...

maintenance from the process department. Important elements which complement the team work are; ... • 2 x 36' x 19' ABB Svedala Gearless Motor Drive 13.4MW SAG Mills • 4 x MP1000 750 kW Pebble Crushers • 4 x clusters of 26" WEIR Cavex Cyclones ... SAG mill and ball mill circuits have spare capacity. During these periods the ...

WhatsApp:+8617329420102

Related Posts

Solve the problem?
Get the latest quotation? Hit The Button.

Online Service