insurability of large gearless mill drives

News:

  • llahuasi sag mill failure

    INSURABILITY OF LARGE GEARLESS MILL DRIVES large mills, as the financial impact of a failure is proportional to the through-put of the mill Despite the occurrences of these events, as mining operations are driven by lower ore grades and the ability to continue reducing operating costs ,...

  • ABB Library

    Paper held at SAG Conference 2011 - By S Gaulocher (ABB), KS Stadler (ABB), Th von Hoff (ABB), R Veldsman (ABB), A Fuerst (ABB) and J Koponen (ABB): Gearless mill drives (GMDs) are the workhorse in the mineral processing industries, more specifically when it comes to grinding crushed ore and cement (in various production stages) in semiautogenous (SAG) mills and large ball mills...

  • INNOVATION NEWS Mills and GMDs

    mill With this innovative concept the gearless mill drive (GMD) eliminates all critical mechanical components inherent within a conventional mill drive system, such as ring gear, pinion, gearbox, coupling or air clutch, motor shaft and motor bearings Eliminating such components significantly increases the efficiency and the availability of ....

  • Gearless Mill Drive

    Jan 25, 2017· ...

  • ABB Library

    Insurability of large gearless mill driv ID: CH_ATBD_SAG Conference_1, REV:-English Paper held at SAG Conference 2011 - By Lane Bos (Zurich Insurance), Maarten van de Vijfeijken (ABB) and Jari Koponen (ABB) - The availability and reliability of large grinding mills and their Gearless Mill Drives (GMDs) are of paramount importance for the ....

  • gearless mill drive system

    insurability of large gearless mill drives abb gearless motor drive Gearless mill drives Our GMD eliminates all mechanical components of a conventional mill drive system, such as ringgear, pinion, gearbox, coupling, motor shaft and motor bearings: By mounting the rotor poles directly onto the mill, the mill itself becomes the rotor of the ....

  • Design review of Gearless Mill Drives

    DESIGN REVIEW OF GEARLESS MILL DRIVE: MILL SYSTEM ANALYSIS Thulare Bopape, Hennie Klopper Anglo Technical Solutions Abstract: It has been well established that a critical component of the up-front design for large mills is a full system Finite Element Analysis (FEA), including the mill and its bearings, the motor, the foundation and the soil...

  • Växellösa drivsystem

    Insurability of large gearless mill drives (engelska - pdf - Teknisk publicering) Remote diagnostic services for gearless mill drives (engelska - pdf - Teknisk publicering) A mine of efficiency - ABB is helping extend the life of the massive Aitik copper mine by making it more efficient (engelska - pdf - Referensfallsstudie)...

  • Gearless Drives for Ore Conveying and Grinding

    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 in Norway in 1980 The mill and its drive system are still in service...

  • Gearless Drives

    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 kept pace In 1996, Freeport ordered the first gearless...

  • Operation of High

    Operation of High-Power Cycloconverter-Fed Gearless Drives Under Abnormal Conditions Article (PDF Available) in IEEE Transactions on Industry Applications 43(3):814 - ,...

  • Gearless mill drives

    Our GMD eliminates all mechanical components of a conventional mill drive system, such as ring-gear, pinion, gearbox, coupling, motor shaft and motor bearings: By mounting the rotor poles directly onto the mill, the mill itself becomes the rotor of the gearless motor...

  • Preprint 13

    the case for mills with geared drive as engineering can commence immediately by the mill vendor Gearless drive rotating elements are heavier in construction than an equivalent gear drive grinding mill The cast heads are heavier with a longer flange to hold the segmented pol The total weight of the...