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Optimal medium-voltage drive for low ... - w3app.siemens.com

Sep 10, 2014· Literature Review: Gearless Motor Failures – A Mill Designer's Viewpoint admin 10 September 2014 2014, Ball mill, Design, Design Validation, Failure Analysis, Gearless Mill Drives, Grinding Mills, Literature Reviews, Mill Design, Mills, Ring Motor, SAG mill, Stiffness, Strain Gauging, System Analysis, Vibration, Welding

Literature Review: Gearless Motor Failures – A Mill ...

If the SAG mill is not intended to be the rate-limiting step in a process plant, then it is best to adjust the SAG load (and power) to hold a constant tonnage to satisfy another constraint elsewhere. Underground mines are an example: the hoisting capacity of the mine shaft is the rate-limiting step in the process, and the SAG mill must adapt to ...

A Mechatronic Solution Design and Experience with Large ...

Siemens to establish a new culture in designing bigger and more powerful Gearless Mill Motors for the expected de-mand for 42ft and 44ft mills. The evolutionary design methodology is to reuse proven design elements. A detailed risk assessment and root cause analysis is the basis of the Siemens …

9600 Power Meter - Power Distribution - Siemens

Jun 06, 2016· SAG Mill Liners include: feed head & discharge end as well as grates (both outer, middle and inner), pulp lifters (dischargers) shell lifter bars and plates.

SAG Mill Process Control - Grinding & Classification ...

In the island state of Papua New Guinea, Ok Tedi Mining Limited (OTML) runs the copper and gold mine Ok Tedi. 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.

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

• Maintain SAG mill power draw below limits CV CV CV CCV CCV CCV CV CCV CV CCV CCV SAG mill fill SAG mill feed density Hydrocyclone feed density P80 Sump level Hydrocyclone Inlet pressure Circulating pump current SAG mill bearing pressure Ball mill power draw Pebble recycle flow SAG mill power draw MV SAG mill ore feed rate X X X X X X X X X X X

Preprint 13-050 - ceecthefuture.org

Mining-specific solutions From electrical to digital solutions As one of the major suppliers of the global mining industry, we offer a comprehensive solutions portfolio that enables you to effectively meet your challenges at each process stage, from extraction to transportation and beneficiation.

1 Fundamental Principles of 2 SINUMERIK 840D sl/ 840D ...

india sag mill manufacturers – YouTube. molino sag llegando al trabajo super grande el molino … SAG Mill Operation … 5:45 Lab Ball Mill Video Manual by …

First use of Sinamics SL150 cycloconverters for grinding ...

Antamina Compania Minera Antamina S.A. Peru Project: One SAG Mill and 3 Ball Mill Drive Systems Capacity: SAG Mill 1000 t/h Ball Mills 1000 t/h Consultant: Bechtel, USA Mill Builder: FFE Minerals, USA Mill Size: SAG Mill 38 feet/11,58 m Ball Mills 24 feet/7,32 m Ore processed: Copper/Zinc Drive Rating: SAG Mill 20,1 MW, 9,23 rpm Ball Mills 11,2 MW, 11,38 rpm

Commissioning Variable Speed SAG Mill Gearless Drive

Siemens won the award for the electrical distribution equipment for the new dorms and designed a solution to use the advanced web based features of the Siemens 9510 meter and its unique Modbus Master capability, to seamlessly provide data to a third party web hosting service. More

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

Both the SAG mill and ball mill are each driven by two gear units. Because, on a conventional drive variant, only one engagement per pinion with the girth gear is possible per side, an economic power limit of about 8 MW per drive is in effect. With the DMG2 gear units, Siemens said this limit expands to as much as 12 MW per drive.

Solutions for Mining - Automation Technology US - Siemens

Jan 19, 2016· The mills at Sentinel in Zambia are amongst the world's biggest, with 2 off 40 ft SAG mills complete with 28 MW drives, and 2 off 28 foot-ball mills with 22 MW drives. For mines of this size ...

Siemens expands mining portfolio to include gearless drive ...

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 SAG Mill Drive is mainly formed by a 11,000 HP.

Optimization using model predictive control in mining

"We went to Siemens and said we needed to do something different, and we came together as partners." Beginning in 2010, Robinson mine and Siemens began to collaborate to develop not only a plan for an upgrade and migra-tion to a new system, but also a service program to ensure the mill's performance once the modernization was complete.

2013 Motor Catalog - Toshiba, Siemens, US Motors, Baldor ...

Whether you're talking about SAG or a ball mill, space is a delicate issue, especially in the concentrator. That's why we always design our Gearless mill drives drives to combine maximum performance with limited space requirements. Suitable foundation and adequate ground conditions Since our solutions have a low motor weight, this notice-

manual molino sag siemens - BINQ Mining

Sep 10, 2014· Literature Review: Gearless Motor Failures – A Mill Designer's Viewpoint admin 10 September 2014 2014, Ball mill, Design, Design Validation, Failure Analysis, Gearless Mill Drives, Grinding Mills, Literature Reviews, Mill Design, Mills, Ring Motor, SAG mill, Stiffness, Strain Gauging, System Analysis, Vibration, Welding

Gearless drive systems for belt conveyor and grinding ...

SAG and AG Mills operate by lifting ore/grinding media and dropping it on the operating bed of the mill charge. High impacts from lifting ore and media promote impact breakage which is the primary mechanism for size reduction in the mill.

Gearless mill drives - Grinding | ABB

Siemens Process Instrumentation Solutions for Mining - From accurate control of chemical dosage to crushing, milling, flotation Solutions for Mining - Automation Technology US - Siemens …

Literature Review: Gearless Motor Failures – A Mill ...

Whether you're talking about SAG or Ball Mill, space is a sensitive subject, especially in the concentrator. That's why we always design our SIMINE MILL Gearless Drives to combine maximum performance with limited space requirements. Suitable foundation and adequate ground conditions Since our solutions have a low motor weight, this notice-

Siemens to Upgrade SAG Mill Drives at Bingham Canyon | E & MJ

Mar 14, 2006· 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.

Innovative Gear Drive Solution for Grinding Mills | E & MJ

of the complete SAG mill unit including foundation, mill & bearing as well as the electric motor. The analysis was also exchanged, reviewed and discussed with independent specialists. Design Of Converter And Control System The basic circuit of the converter is a cyclo-converter in 12 pulse configura tion. It has been selected considering low ...

Speedy SAG Mill System Upgrade Minimizes Downtime Costs

The Siemens' scope of supply includes additionally the entire switchgears and gearless drive systems for a 40ft SAG mill and two 26ft ball mills with the associated power supply. ... Siemens was ...

Siemens supplies gearless drive systems with "frozen ...

"Most mills have customers counting on just-in-time delivery of mill products. So anytime one of our mill clients needs repairs or upgrades, it's all hands on deck to get the job done right, as fast as safely possible. FLANDERS has replaced a hot mill automation system in a week and rebuilt a reversing mill armature in three.

Mining Solutions - Automation Technology US - Siemens

2013 Motor Catalog-08 .&%*6. 70-5"(& Series ODP High Efficiency WPI High Efficiency WPII High Efficiency TEFC Dura-Bull TX® High Efficiency TEFC High Efficiency TEAAC High Efficiency Horsepower 200 to 900 HP 400 to 5000 HP 200 to 800 HP 100 to 2500 HP 450 to 5000 HP Voltage (60 Hz) 2300, 2300/4000, 4000, or

Gearless Drives - industry.siemens.com

SAG mill level control. SAG mill temperature monitoring. SAG mill condition monitoring. Ball mill temperature monitoring. ... Siemens offers a comprehensive product range for the mining industry and has a solution for even the most difficult measurement tasks. Level Measurement.

Gearless Mill Drives - ABB Ltd

Gearless Mill Drives Machinery Risk Solutions Practice 2009 Matt Dugalic P.Eng., MARSH ... Copper & Zinc Electrical Flashovers of SAG Mill Stator +/- 115 Iron / Salt Typhoon (Emma) +/- 107.7. . . Siemens. ... 24' Gearless Mill Drives NOT Siemens supply SIMINE Mill Gearless Drive Clarification.

2009 Gearless Mill Drives - CB&MUA

1 Fundamental Principles of NC Programming 2 Positional Data 3 Programming Motion Commands 4 Path Action 5 Frames 6 Feedrate Control and Spindle Motion 7 Tool offsets 8 Special functions 9 Arithmetic Parameters and Program Jumps 10 Subprograms and Repetition of Program Sections 11 Tables 12 List of abbreviations A SINUMERIK 840D sl/ 840D/840Di/810D

Gearless Drives from Siemens Helping Improve Efficiency ...

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 …

Autogenous and Semi-Autogenous Mills | FL

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.

SAG Mill Liners - YouTube

Home Drivetrains Gearless Drives from Siemens Helping Improve Efficiency and Reliability of Mine Conveyor System ... The Siemens' scope of supply includes additionally the entire switchgears and gearless drive systems for a 40 ft. SAG mill and two 26 ft. ball mills with the associated power supply.

Gearless Mill Drives | Beneficiation | Siemens

Another first came in 1991 when Siemens sup-plied gearless drives for two 36-foot ring motors, de-veloping a 12,000 kW gearless drive for the Kennecott, Utah, SAG mill and a 11,200 kW gearless drive for the El Teniente, Chile, SAG mill. In a continued call for larger, even more powerful drives, Siemens …

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

Siemens is now able to provide to mining companies a gearless drive system for SAG mills with a tube diameter of 42 feet. This enables throughput to be almost doubled in comparison with the 38-foot mills commonly used today. With this innovation, Siemens is responding to the rising demand for larger and more powerful drives in mining.

manual molino sag siemens - BINQ Mining

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. Your benefits

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