1 x SAG Mill & Siemens Motor - Global Physical …

1 x SAG Mill & Siemens Motor For Sale/Re-Assignment Mill Details Type of Mill SAG Mill Mill Dimensions 11,582 mm x 7,759 mm (38' x 26') (D x L) Default Mill Speed 7.5-8.0 RPM Mill Speed 7.56-10.08 RPM Liners Excluded Mill Drive Motor Type Wrap Around (included) Mill Drive Motor Size 19,400 KW (26,016 hp) Variable Speed Drive Yes Max.

Gearless Mill Drives | Beneficiation | Siemens Global

Siemens has provided about 80 SIMINE Gearless mill drives to the mining industry since 1980. In these thirty-plus years, SIMINE Gearless mill drives have accumulated a combined total of over 500 years in operation time – and this number is steadily growing even as you read this. This is a benchmark we are immensely proud of.

SINAMICS PERFECT HARMONY GH180 - Siemens

Siemens has more than four decades of experience manufacturing nearly every type of medium-voltage converter or inverter that ... • Specialized applications such as rolling mills, horizontal mills, shaft generators and high-speed compressors SINAMICS PERFECT HARMONY GH180 ... (dip or sag) -34%, continues operation with reduced torque ...

Siemens Delivers First Gearless Mill Drive System to ...

With a diameter of approximately 12 meters (38 foot) and a length of around 7 meters (22 foot), the SAG (Semi Autogenous Grinding) Mill is one of the largest mills in the world. As part of this expansion project, Siemens will supply a Simine Mill GD gearless drive system with 20,000 kilowatts of rated power.

Lifecycle Services | Mining industry | Siemens Global

Minera Peñasquito operates two 36 foot semi-autogenous grinding (SAG) mills to grind the ore. Siemens is handling all the maintenance work for the drive systems and the associated power systems, including the primary high-voltage supply and the complete medium and low-voltage distribution of the process plant with a maintenance crew of 25 people.

SAG Mill | Autogenous and Semi-Autogenous Mills | …

Since the early 1980s, we have been designing and manufacturing Semi Autogenous Mill (SAG Mill) and Autogenous Mill (AG Mill) under the Fuller-Traylor brand. Semi-autogenous grinding uses a minimal ball charge in the range of 6-15% while autogenous grinding uses ore only. SAG and AG Mills operate by lifting ore/grinding media and dropping it on ...

World's largest mill - Mineral Processing

The contract includes the engineering for a 28 megawatt GMD system for a 42' SAG (semiautogenous) mill, the world's largest mill in diameter. In addition, it includes the engineering for two 15.6 mw GMD systems for two 26' ball mills. ABB Switzerland Ltd, Zürich (CH), Tel.: +41 58-586-8832,

SAG Mill Grinding Circuit Design - 911metallurgist.com

SAG Mill Design and Specification . The Kidston plant was designed to process 7500 tpd fresh ore of average hardness; but to optimise profit during the first two years of operation when softer oxide ore will be treated, the process equipment was sized to handle a throughput of up to 14 000 tpd. Some of the equipment, therefore, will become ...

Siemens to Upgrade SAG Mill Drives at Bingham Canyon | …

Siemens to Upgrade SAG Mill Drives at Bingham Canyon. November 2010 | Suppliers Report. Rio Tinto has commissioned Siemens Industry, Inc. to modernize three semi-autogenous grinding (SAG) mills at Kennecott Utah Copper's Bingham Canyon mine/plant complex near Salt Lake City, Utah, USA. According to Siemens, the DC-powered drives will be ...

The Siemens 42ft gearless mill drive, still an ...

SAG-Mill GMD delivered by Siemens. The aim of the test program was to identify all real natural frequencies in a modal analysis. Experiment setup Figure 6: Test equipment; location of the 3D- vibration sensors Siemens placed 40 acceleration sensors in the motor housing, each measuring the acceleration in three dimen-sions at the point of ...

Mill drives: the desire for increased power and ... - Siemens

SAG mill drives (as GMDs) by some operators and principal motor designers/manufacturers until the reasons for known problems in design or manufacturing were better understood and resolved. Accordingly, the latest 40 ft dia. SAG mill is rated at 29 MW and 78% C.S., with a 42 ft dia. mill built but not yet operational. The more recent option

Speedy SAG Mill System Upgrade Minimizes Downtime …

Upgraded SAG mill control and drive electronics provide easier maintenance, higher reliability and improved information transfer to the plant operators. Siemens engineers also can remotely monitor and troubleshoot the mill's condition.

Siemens modernises SAG mill gearless drive in Cadia …

Siemens modernises SAG mill gearless drive in Cadia Valley. Posted by Matrix on 27th March 2012 Siemens has modernised a gearless grinding mill drive at Newcrest's Cadia Valley Operations, near Orange in New South Wales, Australia. This is the first time that a gearless grinding mill had been equipped with a Sinamics SL150 cycloconverter control.

38' X 22' EGL GRATE DISCHARGE SAG MILL, 26,000 …

SAG mill trommel Mill braking system Hydraulic jacking system Portable hydraulic power unit. Motor and Drive 26,000 HP (19.4 MW) Siemens wrap-around drive motor 60 Hz synchronous Gearless, wrap around Differential protection

SAG Mill Gearless Drives Go to South American ... - E & MJ

Meanwhile, Siemens' Industry Solutions Division reported it had received an order from Compañia Minera Antamina S.A. to supply gearless drive systems for a SAG mill and ball mill at the Antamina open-pit in Peru. Siemens said the award is worth approximately €20 million ($26.1 million) and is scheduled for completion in late 2010.

SAG Mill Chute Seal - fl.com

A proper seal makes all the difference in the way your SAG mill performs. Even though it is a relatively minor wear part, the feed chute seal affects performance, lifecycle and safety in the SAG mill – and a failure can be disastrous in more ways than just time and money.

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

The project involving the two SAG mills is the culmination of a longstanding relationship and successful cooperation between Siemens and OTML that started in 2005. Siemens has since been committed to improve operational performance in many areas on site – most recently through the supply of two Planurex P2KB20 planetary gear units in 2015.

Model Predictive Control for an Industrial SAG Mill - DTU

SAG Mill Valeriu Ohan; Florian Steinke Michael Metzger Thomas Runkler John Bagterp J˝rgensen DTU Informatics Technical University of Denmark, 2800 Kgs Lyngby, Denmark (e-mail: [email protected]). Siemens AG, Corporate Technology, Intelligent Systems & Control, 80200 Munich, Germany (e-mail: fFlorian.Steinke,Michael.Metzger,[email protected] ...

Lumwana SAG Mill Commissioning Commences - Kitco

that the Lumwana Copper Project's SAG mill (18MW) was fully energized and rotated by the engineering contractor Ausenco Bateman JV ("ABJV"), using Siemens 'gearless mill drives' on 28th June. This followed an extensive testing and commissioning program of the mills, including mechanical, electrical and electronic tests

SIMINE Gearless mill drives - assets.new.siemens.com

Whether you're talking about SAG or a ball mill, space is a delicate issue, especially in the concentrator. That's ... Siemens has earned a quality systems certificate for standard ISO 9000 and has implemented quality systems in accordance with ISO 9001. 9.

First use of Sinamics SL150 ... - Manufacturing.net

First use of Sinamics SL150 cycloconverters for grinding mills: Siemens to modernize ore mill drive for copper producer Quadra FNX. Quadra FNX Mining Ltd., a Canadian mining company, has commissioned Siemens to modernize the drive in an SAG mill in its Robinson open-cast copper mine in Nevada, USA.

Siemens modernizes drive system for ore mills in Chile ...

The modernization project includes two 8 MW SAG (semi-autogenous) mills and two 9.7 MW ball mills with dual pinion drives. The new drive systems are replacing the existing synchronous motors and direct converters for the SAG mills and the drive systems of the ball mills, which were installed by a different manufacturer.

Horizontal Mill Pinion Drives | Beneficiation | Siemens Global

Products for SIMINE Pinion mill drives. Siemens provides high-speed drives as well as low-speed drives. Our high-speed drive solutions provide operational flexibility and full modularity. The power ranges from 100 kW to 24 MW. Our low-speed drives reduce wear and help cut energy costs by up to 5%. Offered up to 24 MW, the variable speed of low ...

First use of Sinamics SL150 ... - International Mining

First use of Sinamics SL150 cycloconverters for grinding mills: Siemens to modernise ore mill drive. Posted by Matrix on 29th October 2010 Canada's Quadra FNX Mining has commissioned Siemens to modernise the drive in a SAG mill in its Robinson open-pit copper mine in Nevada, USA. This will be the first time that an ore mill is to be equipped ...

Design and dynamic behavior of large Ring Motors ... - …

Ring Motors vary the speed of the mill by changing the sta-tor frequency. A cycloconverter provides variable frequency for start, stop and speed variation during operation. Figure 1: Ring Motor of the 38' SAG-Mill of Rio Paracatú Mineraçao; Brazil 3 Design Verification To assure reliability of operation the mechanical design must be verified.

Mining industry | Market-specific Solutions | Siemens Global

A sustainable, digital, highly efficient future. Mining creates the foundation for future growth. It provides the elements for every industry, from construction to mobility to consumer goods. This is why the mining industry must be on the forefront of sustainability – …