For the two ore-grinding mills, Siemens is supplying gearless ring motor drive systems supplied with power via cycloconverters. The SAG mill has a diameter of 38 feet (11.6 meters) and will be equipped with a 18 megawatts drive system. The 26 foot …

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SAG Mill Design and Specification . The Kidston plant was designed to process 7500 tpd fresh ore of average hardness; but to optimise profit during …

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Each SAG primary mill (Boliden-Allis) operates with two 5.000 HP. Ball Mills as secondary grinding stage. The Electric Drive (SIEMENS) consists a 11.000 HP synchronous motor of variable speed. General Description of the Drive. The …

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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.

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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.

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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

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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 ...

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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.

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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.

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motors, Siemens offers a minimum-weight, short-circuit-proof design featur-ing maximum stiffness. This is why the resonance frequency of the motor is considerably higher than the operating frequencies. Reliability and availability The extremely high reliability and avail-ability of Siemens SIMINE Gearless Mill Drives is based on mature technology,

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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 ...

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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.

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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.

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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.

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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 ...

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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.

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Preface Fundamentals iv Programming Manual, Edition 08/2005, 6FC5398-1BP10-0BA0 Hotline If you have any questions, please get in touch with our hotline: A&D Technical Support Tel.: +49 (0)180 5050-222

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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 ...

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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] ...

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Gearless mill drive system (GMD) Go gearless to meet your business objetives by exceeding standard availability targets in your grinding operations. ABB's GMD is the most powerful mill drive system in the market to power semiautogenous (SAG), ball and autogenous (AG) mills, This 'workhorse' for grinding operations combines a robust ...

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