ABB commissions gearless mill drive system in Peru Baden Switzerland June 9 2008 ABB successfully completed commissioning of a 16 5 MW gearless mill drive GMD system for a 32 feet SAG semiautogenous mill at Minera Yanacocha The mine located in Cajamarca Peru is the largest gold producer in -gearless mill drives-,Newmont Mining Corporation wins Gold with ABBThe 50 gearless mill drive system ordered from ABB will be delivered to the Phoenix Project in Nevada USA Baden Switzerland August 2 2004 ABB the leading in power and automation technology group announces that it has received the order for the fiftieth gearless mill drive system to be …… Get More

  • Doubling production at Europe's largest copper mine

    ABB's scope of supply includes two 22 5-megawatt gearless mill drives GMDs the most powerful GMDs ever built that will power two new 38-foot 11 6-meter autogenous grinding mills and crush up to 2 200 tons of copper ore an hour ......
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  • When it Comes to Mining Bigger is Best

    back and positioning for mill mainte-nance needs Figure 6 Full vacuum pressure impregnation for windings Figure 4 Ring-geared mill drive solutions Figure 5 Gearless mill drive solution Throughout the comminution process different mills are driven by different types of electrical drives ......
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  • 2009 Gearless Mill Drives CB&MUA

    Marsh 1 WHY shift to the gearless drives in mineral processing Mill size grinding economies of scale Relative lifecycle cost Lower power consumption Robust design Avoiding critical open gear power trains Variable speed Compatibility with processing plants Engineering design efficiencies Availability Minimal downtime......
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  • ABB acquires ring motor business from Alstom

    Gearless mill drive systems are used in the mining industry for processing large quantities of ore to extract metals such as copper gold platinum iron and molybdenum The market for GMD systems is expected to grow due to rising demand for minerals in emerging countries undergoing industrialization ......
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  • Current Issues on High-Power Cycloconverter fed Gearless

    use of big mill grinding circuits where large power gearless motor drives with cycloconverters in the range around 20 MW are being applied for semiautogenous SAG mills and re-......
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  • Siemens expands mining portfolio to include gearless drive

    The 42-foot ring motor is the centerpiece of the gearless drive and wrapped around the tube mill An increase in tube diameter means that the mass of the ore being ground rises dramatically and hence also the strain on structural elements and the motor ......
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  • Mining industry Market-specific Solutions Global

    Our gearless and pinion mill drives redefine operational reliability availability maintenance costs and energy efficiency In addition we offer intelligent solutions such as ......
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  • ABB provides Gearless Mill Drives to U S molybdenum

    ABB's gearless mill drive systems are designed and engineered from the bottom up to deliver massive capacity superior energy efficiency unmatched availability and global round-the clock support Gearless Mill Drives also lower maintenance and operation costs as they have fewer mechanical parts in the drive train ......
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  • gearless ball mill Brazil dimeko eu

    gearless mill drives Gearless Mill Drive Sales Rev Up to Meet Demand Gearless Mill Drive Sales Rev Up to Meet Demand By Russell A Carter Managing Editor Gearless mill drives are becoming the drive system of choice on large AG SAG and ball mill installations for new projects and existing mill ......
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  • gearless mill drives Mine Equipments

    Gearless mill drives Go gearless The gearless mill drive eliminates all mechanical components of a conven- tional mill drive system such as ring-gear pinion gearbox coupling motor shaft and ......
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  • Gearless Drives for Ore Conveying and Grinding Cmms

    Fig 4 Air gap monitoring system in a gearless drive Gearless Drives for grinding mills Gearless Drives are well proven stateof- the-art technology for large grinding mills Siemens the company that introduced Gearless Mill Drives GMD to mining industry started up its first GMD on a ball mill ......
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  • ABB to deliver three large gearless mill drives for

    Baden Switzerland March 8 2011 ABB the leading power and automation technology group announced that it recently won a contract from Kinross Gold Corporation for the delivery of three gearless mill drive GMD systems to be installed at the Tasiast gold mine ......
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  • Gearless Mill Drives Beneficiation Global

    SIMINE Gearless mill drives A standard of reliability and efficiency for grinding From Norway to Zambia from Mongolia to Chile for over 30 years mining operators all over the world have been counting on SIMINE Gearless mill drives ......
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  • siemens com/mining SIMINE Gearless Mill Drives

    The sealing system of the SIMINE Gearless Mill Drives is a proven design incorporating extremely low mainte-nance with ingress protection that is rated at IP 55 and complemented by a purpose-built rain shield The outdoor version of the SIMINE Gearless Mill Drives allows omitting the concentrator building a considerable saving of invest-......
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  • Gearless AG/SAG mills

    Gearless drives ringmotors have been used on tumbling mills for several decades The design features motor rotor elements bolted to a mill shell a stationary stator assembly surrounds the rotor elements and electronics covert the incoming current from 50/60 Hertz to about 1 Hertz ......
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