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  • Gearless Mill Drives Beneficiation Siemens Global

    In ore processing, grinding is an essential step for the overall performance of any mine. That is why the gearless drive of a grinding mill is one of the most crucial pieces of equipment in the concentrator and why it is subject to particularly high demands. Siemens has provided about 80 SIMINE Gearless mill drives to the mining industry since ...

  • Gearless Mill Drives Beneficiation Siemens Österreich

    In ore processing, grinding is an essential step for the overall performance of any mine. That is why the gearless drive of a grinding mill is one of the most crucial pieces of equipment in the concentrator and why it is subject to particularly high demands. Siemens has provided about 80 SIMINE Gearless mill drives to the mining industry since ...

  • SIMINE Gearless mill drives - Siemens

    Grinding is a crucial process step in ore processing – and for a mine’s overall performance. That’s why a grinding mill’s gearless drive is the crucial piece of equip-ment in the concentrator – and why it is subject to very rigorous demands. High availability and reliability throughout the entire lifecycle are a must, while unplanned

  • siemens/mining SIMINE Gearless Mill Drives

    Grinding represents a crucial process step in ore processing – for the overall perfor-mance of a mine. That’s why the gearless drive of a grinding mill is the crucial piece of equipment in the concentrator – and why it is subject to very high demands. High availability and reliability through-out the entire lifecycle are a must, while

  • Horizontal Mill Pinion Drives Beneficiation Siemens Global

    Made for optimal grinding. Pinion mill drives are widely used in the mining industry to grind materials to a requested size. If the equipment is operating at optimum efficiency, this has positive impact on production and operating economics. Drive solutions are needed for speed and torque control.

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

    Mill Drive Review Background With ever – decreasing mineable ore grades, increasing mining and processing rates, the use of larger unit size equipment, and a minimal number of grinding lines in the plant, risk assessment, (in terms of achieving a rated design mill

  • siemens/mining Flexible Slip Energy Recovery Drive

    This is where the flexible SER shows its assets. The SER provides exactly that speed range. For example, the mill speed can be increased to reach the best grinding results and efficiency, to tap the full potential of the mill. In case the mill begins to experience vibration, the speed can be decreased to calm down the system. A shutdown of the

  • Increasing availability through advanced Gearless Drive ...

    Gearless Mill Drives to assure high productivity and operational reliability In conjunction with the mill-dedicated operation modes, the Siemens GMD provides a variety of additional features which are oriented to keep the production time of the grinding mill as high as possible. Using a remote access connection, maintenance person-

  • Gearless Drives - Siemens

    Siemens supplied the first gearless drive for a 40-foot SAG mill at the Cadia Hill Mine in Australia. While the details vary, there is a theme that links these projects – careful development and analysis, timely results and ultimately the delivery of reliable, efficient gearless drives. Since 1998, Siemens has been providing gearless drive ...

  • Gearless mill drives - Grinding ABB

    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, service-friendly and fit for purpose design to provide highest throughput, reliability

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

    Mill Drive Review Background With ever – decreasing mineable ore grades, increasing mining and processing rates, the use of larger unit size equipment, and a minimal number of grinding lines in the plant, risk assessment, (in terms of achieving a rated design mill

  • GRINDING: ABB commissions six gearless mill drives at ...

    Oct 29, 2019  Two 28 MW gearless mill drive systems (GMDS) are operating in the mine’s 12-metre SAG mills and four 16.5 MW GMDS are employed in 26 ball mills along with associated control systems. “Gearless mill drives are the ‘workhorses’ for grinding operations which are at the heart of any mine.

  • SINAMICS SL150 Medium Voltage Converters Siemens Global

    Sentinel Copper Mine, Gearless mill drive systems Sentinel is a copper mine project located approximately 150 kilometers west of Solwezi in the middle of the savannah. In incorporates the most modern and cutting-edge technology.

  • Siemens Supplies Gearless Drive Systems with 'Frozen ...

    Sep 15, 2006  For grinding of the ore, an SAG (Semi Autogenous Grinding) mill and a ball mill will be used. 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 mill ...

  • Gearless Drives - Siemens

    Siemens supplied the first gearless drive for a 40-foot SAG mill at the Cadia Hill Mine in Australia. While the details vary, there is a theme that links these projects – careful development and analysis, timely results and ultimately the delivery of reliable, efficient gearless drives. Since 1998, Siemens has been providing gearless drive ...

  • FLENDER EMPP - Flender GmbH A Siemens Company - PDF ...

    As is known, conventional mill drives come up against limiting factors here. As system operator, you face the major challenge to ensure continuously reliable and trouble-free operation as power increases. With the revolutionary FLENDER EMPP vertical mill drive Siemens provides the optimal solution.

  • Paper # 25 - Copper Mountain Overview on the Grinding ...

    Mill type Wet grinding, grate discharge Mill drive motor size 17,000 HP Mill drive motor type Synchronous 200 RPM Inside diameter 10,363 mm Length 6,096 mm Effective grinding length (EGL) 5,334 mm Bearing type Partial Journal, 120 degree bronze insert Bearing size 2,950 mm diameter by 660 mm wide Bearing material Bronze

  • Conveyor systems Transportation Siemens Global

    Siemens supplied and commissioned direct-drive systems for belt conveyor and grinding mills located 4,200 meters above sea level. The motor size is not limited by the gearbox size, thus eliminating the need for multi-motor drives.

  • Ring-geared mill drives - Grinding ABB

    Mill application features. Frozen charge protection – Detects frozen charge in the mill, minimizing equipment wear and liner replacements.; Coupling supervision – Detects if a failure or slippage occurs in the couplings and stops the system in case, preventing major damages.; Stand-still detection – Prevents the motors from re-starting if the mill is still rocking or moving after a stop ...

  • Mineral Processing Toshiba International Corporation ...

    Application: 1 x 11000kW SAG Mill driven by Dual 5500kW motors, 1 x 5500kW Ball Mill Equipment: 3 x 5500kW 6 pole 11000 volt Wound Rotor Induction Motors Location: Cloncurry, Queensland

  • AG mills for Sino Iron Project - Australian Mining

    Nov 26, 2007  THE Siemens Industrial Solutions and Services Group (IS) has received an order from CITIC Heavy Machinery, Luoyang, to supply gearless drive systems for five 40-foot autogenous grinding mills.

  • Ok Tedi plans for long term with SAG mill upgrades by Siemens

    OTML’s drive train infrastructure at the Ok Tedi mine is in excess of 30 years old. In order to ensure long term profitability, OTML is using Siemens technology to supply and install complete new variable speed drive trains for the two Semi-Autogenous Grinding mills SAG 1 and SAG 2.

  • 60 New Siemens Gear Units for Coal-fired Power Plants in India

    Nuremberg, Germany – The new gear units will drive the vertical mills which grind the coal in these plants. Grinding the coal is the first step in generating power in a coal-fired power plant. The value of the contract has been kept confidential. The Flender gear units from Siemens consist of a bevel gear stage and a planetary gearbox.

  • First use of Sinamics SL150 cycloconverters for grinding ...

    First use of Sinamics SL150 cycloconverters for grinding mills: Siemens to modernize ore mill drive for copper producer Quadra FNX Erlangen, Germany, 2010-Oct-26 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 Supplies Gearless Drive Systems with 'Frozen ...

    Sep 15, 2006  For grinding of the ore, an SAG (Semi Autogenous Grinding) mill and a ball mill will be used. 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 mill ...

  • GRINDING: ABB commissions six gearless mill drives at ...

    Oct 29, 2019  Two 28 MW gearless mill drive systems (GMDS) are operating in the mine’s 12-metre SAG mills and four 16.5 MW GMDS are employed in 26 ball mills along with associated control systems. “Gearless mill drives are the ‘workhorses’ for grinding operations which are at the heart of any mine.

  • Used Siemens Grinding machines for sale Machinio

    Transferred second-hand CNC grinding machine Japan Long Island 415 Germany Schleifring K-P36 surface grinding machine Siemens system. Manufacturer: Siemens Used CNC Grinding Machine Japan Long Island 415 Germany Schleifring K-P36 Surface Grinding Machine Siemens System Long Island 415 CNC grinder, stroke: 450-150, with automatic compensation of grinding wheel, can c...

  • Updates on geared vs gearless drive solutions for grinding ...

    With successful operation of 2 x 6.5MW (Phu Kham, Laos) and three 2 x 7MW units under manufacture (Pascu Lama) and a further 40 projects worldwide, energy efficient Hyper Synchronous SER drives are now mature and ready for use on 2 X 10MW dual drive mills. Speed variation required is in the range of +/- 15% of synchronous motor speeds.

  • FLENDER EMPP - Flender GmbH A Siemens Company - PDF ...

    As is known, conventional mill drives come up against limiting factors here. As system operator, you face the major challenge to ensure continuously reliable and trouble-free operation as power increases. With the revolutionary FLENDER EMPP vertical mill drive Siemens provides the optimal solution.

  • Siemens Integrated Drive Systems

    Siemens Integrated Drive Systems deliver a unique answer to today‘s complex challenges in the field of automation and drive technology: Perfectly interacting components throughout an integrated drive portfolio, integrated into automation, and with software and services for all stages of the lifecycle. That means value added through shorter

  • ABB gearless mill drives - YouTube

    Feb 21, 2019  Our gearless mill drive system is a robust, fit for purpose solution engineered for reliable, long-life and low maintenance operation. Loading... Autoplay When autoplay is enabled, a suggested ...

  • 60 New Siemens Gear Units for Coal-fired Power Plants in India

    Nuremberg, Germany – The new gear units will drive the vertical mills which grind the coal in these plants. Grinding the coal is the first step in generating power in a coal-fired power plant. The value of the contract has been kept confidential. The Flender gear units from Siemens consist of a bevel gear stage and a planetary gearbox.

  • Mineral Processing Toshiba International Corporation ...

    Application: 1 x 11000kW SAG Mill driven by Dual 5500kW motors, 1 x 5500kW Ball Mill Equipment: 3 x 5500kW 6 pole 11000 volt Wound Rotor Induction Motors Location: Cloncurry, Queensland

  • AG mills for Sino Iron Project - Australian Mining

    Nov 26, 2007  THE Siemens Industrial Solutions and Services Group (IS) has received an order from CITIC Heavy Machinery, Luoyang, to supply gearless drive systems for five 40-foot autogenous grinding mills.

  • Pablo Astudillo - Engineering Manager - Siemens LinkedIn

    Gearless Drive Automation Siemens - Industry. jul. de 2012 – Actualidad 8 años. Santiago. ... Relevant current waveforms associated with the operation of a 20-MW synchronous motor semiautogenous grinding mill drive are presented, as well as current and voltage waveforms under fault operating conditions. Mostrar más Mostrar menos.

  • 职位: Engineering Manager in Siemens
  • Geared vs Gearless drive solutions for grinding mills ...

    Jul 04, 2013  En el marco del Encuentro de Operadores (Edición 30 de PERUMIN) se realizó la conferencia: "Geared vs Gearless drive solutions for grinding mills".

  • Full gear unit range for your horizontal mill

    Lateral drive . Our freshly redesigned MAAG® GEAR LGDX is a highly functional, compact lateral drive system for horizontal mills. With its smart casing design, it can be positioned either on the horizontal axis of the mill or at 40° underneath it, delivering a more compact design with lower construction and foundation costs.

  • ABB ring-geared mill drives - YouTube

    May 09, 2019  Our variable-speed mill drives offer optimized solutions for grinding applications such as AG, SAG and ball mills. These drive systems are based on

  • GRINDING: ABB commissions six gearless mill drives at ...

    Oct 29, 2019  Two 28 MW gearless mill drive systems (GMDS) are operating in the mine’s 12-metre SAG mills and four 16.5 MW GMDS are employed in 26 ball mills along with associated control systems. “Gearless mill drives are the ‘workhorses’ for grinding operations which are at the heart of any mine.

  • Updates on geared vs gearless drive solutions for grinding ...

    With successful operation of 2 x 6.5MW (Phu Kham, Laos) and three 2 x 7MW units under manufacture (Pascu Lama) and a further 40 projects worldwide, energy efficient Hyper Synchronous SER drives are now mature and ready for use on 2 X 10MW dual drive mills. Speed variation required is in the range of +/- 15% of synchronous motor speeds.

  • Innovative gear drive solution for grinding mills. - Free ...

    Dec 01, 2014  According to Cemtec and mill-drive supplier Siemens, it took just 10 months for them to jointly design and install a complete solution for the operation's grinding requirements. Cemtec's purchasing manager, Stefano Pellisetti, commented, "The drive solution realized here on the basis of the DMG2 mill gear unit offers a whole slew of advantages."

  • ABB ring-geared mill drives - YouTube

    May 09, 2019  Our variable-speed mill drives offer optimized solutions for grinding applications such as AG, SAG and ball mills. These drive systems are based on

  • Stirred mills for milling grinding

    Most importantly, the mills are customisable to each unique mining application, optimizing the performance of the mill and recovering more ore for your business. Our stirred mill and tower mill solutions offer a range of advantages, designed to optimise your milling while solving a number of issues traditionally related to industrial grinding:

  • Flexible milling and grinding solutions that last

    Autogenous (AG) grinding mills involve no grinding media as the ore itself acts as the grinding media. Our ball mills are the most robust design in the industry, available with either geared or gearless drive arrangements. The cost-effective FT Series mills are smaller, gear

  • Search for: - EMO 2019 eBooklet - Siemens mobile fair guide

    The compact MFP 30 5-axis grinding center from MÄGERLE is ideally suited for grinding complex geometries. The powerful drive of the high-performance spindle enables different grinding processes to

  • Antapaccay Copper Mine - Mining Technology Mining News ...

    Siemens was awarded the contract to supply three grinding mills and a gearless belt conveyor system. The supply included entire switchgears and gearless drive system for the SAG and ball mills. ABB was awarded the contract to supply two synchronous condensers and

  • Load Commutated Inverter (LCI) mutated Inverter (LCI)

    • Grinding mills • Rod and bar mills • Marine Propulsion Soft-starting reduces the mechanical stress on the motor and driven equipment as well as eliminating electrical starting surges on the ac power system. The rating of the starting system depends on the power required to drive the load at synchronous speed.

  • NEA - Grinding and Classifying Systems

    The pendulum mill PM is a roller mill, which is based on the Raymond mill. This horizontal mill is available in various sizes and is suitable for fine grinding and grinding and drying. The pendulum mill with a direct drive neither has gears nor coupling or any replacements for these components. The classifier head and mill housing quick opening ...

  • Siemens Belux - Drives and motors

    FLENDER EMPP drive - Higher reliability for large vertival mills The new drive concept for maximum plant availability and optimal grinding processes . PDF: Papier: Optimum gear units for the palm oil industry FLENDER gear unit solution make it easy to plan plants - with diversity, quality and availabillity (only available on pdf) PDF: Papier

  • Projects Undertaken New Concept Projects

    16’Ø x 38′, 3.885MW SAG Mill (Actom SER Drive) Copper Project. DRC 18’Ø x 16.5′, 2.5MW Stainless Steel SAG Mill – World’s first Full Stainless Steel, trunnion-supported mill. Copper Project. Peru 16’Ø x 24′, 3MW Ball Mill. Diamond Project. Tanzania 2 off 18′ Ø x 10′, 700kW AG Mills.

  • ABB medium voltage drives Product overview

    compressors, grinding mills, suitable for retrofit of existing motors Pumps, fans, conveyors, extruders, mixers, compressors, grinding mills, suitable for retrofit of ... – Multi-motor drive with common DC bus – Fuseless – Soft start of large synchronous motors and generators – Fuseless Examples of options

  • Siemens Belux - Drives and motors

    FLENDER EMPP drive - Higher reliability for large vertival mills The new drive concept for maximum plant availability and optimal grinding processes . PDF: Paper: Optimum gear units for the palm oil industry FLENDER gear unit solution make it easy to plan plants - with diversity, quality and availabillity (only available on pdf) PDF: Paper