The Slip Energy Recovery Drive (SER Drive) is a technology well proven in the industry for large power motoring systems that allows precise motor speed control at the same time that recover the slip
Chat OnlineBoth 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.
Chat OnlineBoth 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.
Chat OnlineSAG mill conference provided details of the then largest gear drive in operation on a SAG mill (34ft x 18ft) at Escondida 13.4MW which began operation in 1995. The reason for not having larger gear drives was due to the limitation of gear manufacturers not having access to larger single piece special alloy castings. To the benefit of
Chat OnlineFigure 1Top view of SAG mills with alternative drive options left side dual pinion drive including motor gearbox pinion and girth gear right side gearless ring motor Declining ore grades leading to
Chat Onlinedrive application is a dual-pinion SAG mill driven by two 5 000 kW wound rotor induction motors (WRIM). Two TMdrive-10SPRs control motor speed by recovering rotor current and returning the power to the utility supply. Confi gured in a twin motor arrangement the motors share load in the tandem mill
Chat Onlinethe mill gear in inching mode N o_mill is the actual output speed of the mill gear in normal running mode P mill_motor is the actual power of the main drive motor or 2 x main drive motor for dual pinion drives. The power computed above is considered P inch = N o_inch · P mill_motor N o_mill
Chat Onlinesag mill dual pinion geared driveellulnl. sag mill ring and pinionabwasseranlageneu Sag Mill Dual Pinion Geared Drivebdcain The installation and commissioning of the mills and drives at Copper SAG mill ball mill ring gear dual pinion drive systems variable speed. Service Online seal for sag and ball mill
Chat Onlinezenith QdX4 Mill Drive system. The natural progression in gear/pinion mill drives The zenith QdX4TM Mill Drive provides the next step in the evolution of change in mill drive installation and alignment very similar to traditional installed in both 40 SAG
Chat OnlineThe SIMINE Gearless mill drives pump system significantly enhances concentrator productivity by eliminating the reducer gear between motor and pump and all corresponding maintenance. In
Chat OnlineBoth 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.
Chat OnlineABB ring geared mill drives. Jun 05 2013 · We provide optimized mill drive solutions for all types of ring-geared mills low and high speed single and dual pinion with and without a gearbox — all
Chat Onlinesag mill dual pinion geared drive These systems include the largest low-speed dual pinion mill Ring-geared mill drives Single and dual pinion SAG and ball mill ball mill pinion drive . know more.
Chat OnlinePinion On Sag Mill govtposts. Autogenous and Semiautogenous mills AG/SAG mill drives. Mill motor gear drives can be offered for AG/SAG grinding mill as dual pinion drives with power deliver of up to 20 MW (2 x 10 000 kW) and this can be accomplished on mill
Chat Onlinesag mill dual pinion geared drive These systems include the largest low-speed dual pinion mill Ring-geared mill drives Single and dual pinion SAG and ball mill ball mill pinion drive . know more. Special Gearboxes Sector
Chat Onlinedrive application is a dual-pinion SAG mill driven by two 5 000 kW wound rotor induction motors (WRIM). Two TMdrive-10SPRs control motor speed by recovering rotor current and returning the power to the utility supply. Confi gured in a twin motor arrangement the motors share load in the tandem mill
Chat OnlineAs part of the modernisation project ABB will provide ring-geared mill drives and intelligent control systems for one SAG mill (2 x 6.5 MW) and one ball mill (2 x 7.5 MW) including electric control systems drives
Chat OnlineA SAG mill with a 44 (13.4m . SAG mills are primarily used at gold . Get Price And Support Online sag mill ring gear failure iqsa. SAG mill pinion gear alignment . motor power to the. slip ring induction motor for sag mills. and induction motor for the SAG mill and Liquid Rheostat Starter (LRS) and slip ring motor for the ball mill.
Chat Onlinezenith QdX4 Mill Drive system. The natural progression in gear/pinion mill drives The zenith QdX4TM Mill Drive provides the next step in the evolution of change in mill drive installation and alignment very similar to traditional installed in both 40 SAG
Chat OnlineABB ring geared mill drives. Jun 05 2013 · We provide optimized mill drive solutions for all types of ring-geared mills low and high speed single and dual pinion with and without a gearbox — all
Chat OnlineDUAL PINION MILL DRIVES The SAG and the two ball mills are gear driven and Copper Mountain selected the sophisticated low speed dual pinion mill drives from ABB to drive these mills. Brief History Sophisticated Dual Pinion Mill Drive Technologies About five years ago ABB was already the market leader for Gearless Mill Drives (GMD). ABB
Chat OnlineOur mills use conventional geared drives for transmitting up to 18 000 kW of power by use of a twin pinion system. Depend on years of proven reliability and productivity We ve been producing the highest quality SAG and AG Mills since the 1980s.
Chat OnlineABB has successfully commissioned three variable-speed mill drive systems at Thompson Creek Metals Mount Milligan copper/gold mine in Canada. ABB s delivery included one gearless mill drive system (GMD) for a 40-ft semi-autogenous (SAG) mill and two low-speed dual pinion ring-geared mill drive
Chat OnlineABB s solution provides dual pinion mill drives frozen charge detection controlled roll back automatic positioning variable speed and cascade monitoring functionalities. The dual pinion mill drive is a variable speed technology which will effect low mechanical stress impact on the pinion and ring gear
Chat OnlineBall Mill PINION SHAFT BEARINGS. Pinion shaft bearings are of the SKF anti-friction type mounted in a common twin bearing assembly. Bearings are fixed in place so that the pinion shaft of the mill is always in alignment with the drive
Chat OnlineSAG mill conference provided details of the then largest gear drive in operation on a SAG mill (34ft x 18ft) at Escondida 13.4MW which began operation in 1995. The reason for not having larger gear drives was due to the limitation of gear
Chat OnlineThe SIMINE Gearless mill drives pump system significantly enhances concentrator productivity by eliminating the reducer gear between motor and pump and all corresponding maintenance. In addition the cyclone pumps with variable speed can adjust their energy consumption to the optimized flow of pulp resulting in energy savings of up to 30 .
Chat OnlineABB ring geared mill drives. Jun 05 2013 · We provide optimized mill drive solutions for all types of ring-geared mills low and high speed single and dual pinion with and without a gearbox — all
Chat OnlineOur mills use conventional geared drives for transmitting up to 18 000 kW of power by use of a twin pinion system. Depend on years of proven reliability and productivity We ve been producing the highest quality SAG
Chat Online2 d4 TM Mill Drivesystem 7 MW 7 MW 14 MW 28 MW 7 MW 4 MW 7 MW 7 MW 7 MW 4 MW 7 MW 7 MW SAG mill 32 ft. single drive The natural progression in gear/pinion mill drives The QdX4TM Mill Drive provides the next step in the evolution of change in mill drive architecture while allowing the system to be built with components that are within current manufacturing capabilities.
Chat OnlineWhen mill power is between 18 and 20 MW which is the current manufacturing limit of ring geared mills 2 either a gearless mill drive (GMD) or a ring geared mill with dual pinion motors can be chosen. Selecting between gearless or ring geared design is mostly dependent on size of the mill and power and speed requirements 3 .
Chat Onlinedrive application is a dual-pinion SAG mill driven by two 5 000 kW wound rotor induction motors (WRIM). Two TMdrive-10SPRs control motor speed by recovering rotor current and returning the power to the utility supply. Confi gured in a twin motor arrangement the motors share load in the tandem mill. The Customer Need
Chat OnlineFigure 1Top view of SAG mills with alternative drive options left side dual pinion drive including motor gearbox pinion and girth gear right side gearless ring motor Declining ore grades leading to
Chat OnlineFeb 07 2017 · The arrival of Siemens low speed dual-pinion mill drives at Collahuasi Copper Mine Chile ABB ring geared mill drivesDuration 3 07 OS 2015 123 COLLAHUASI MOLINO SAG
Chat OnlineBall Mill PINION SHAFT BEARINGS. Pinion shaft bearings are of the SKF anti-friction type mounted in a common twin bearing assembly. Bearings are fixed in place so that the pinion shaft of the mill is always in alignment with the drive components. V-belt driven mills are furnished with an outboard bearing of similar construction.
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