installation twin pinion sag mill

  • Siemens to Upgrade SAG Mill Drives at Bingham Canyon E

    The new control system for the twin-pinion mills is based on Siemens Simatic S7 for general control of the mill and the Sinamics DCM converter for drive-specific control of the rectifier. The power section of the existing rectifier will remain in operation which enables Kennecott to implement control and power sections separately.

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  • Choosing a SAG Mill to Achieve Design Performance

    Choosing a SAG Mill To Achieve Design Performance John Starkey1 Principal Consulting Engineer Sami Hindstrom2 Manager Grinding Travis Orser2 Project Manager Grinding 1 Starkey Associates Grinding Design and Process Engineering 336268 Lakeshore Rd. E. Oakville Ontario L6J 7S4

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  • Choosing a SAG Mill to Achieve Design Performance

    Choosing a SAG Mill To Achieve Design Performance John Starkey1 Principal Consulting Engineer Sami Hindstrom2 Manager Grinding Travis Orser2 Project Manager Grinding 1 Starkey Associates Grinding Design and Process Engineering 336268 Lakeshore Rd. E. Oakville Ontario L6J 7S4

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  • Gears and Pinions

    A complete range of gear and pinion sets inspections design installation and alignment services to drive your mill s performance. Introducing our new name is proud to announce the launch of our new rebranded offer Gears and Pinions. You can expect the same quality supported by decades of gearing and OEM expertise. Read more at

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  • Grinding MillsCITIC-Heavy Industries Co. Ltd

    Jun 15 2014 · CITIC HIC manufacture a full range of Grinding Mills for the Mining Sector. Our largest mills has been delivered to SINO Site to date are Ø12.2m x 11m 28MW Gearless Drive AG Mills and Ø7.9m x 13.6m 2x8 MW Twin Pinion Drive Ball Mills. These mills are scheduled of start up on 2012.

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  • Minerals Australia Nickel WestICN Gateway

    Mill Twin Pinion single stage semi-autonomous grinding (SAG) mill 12-pack cyclone cluster Double-deck pebble discharge screen Liner handler Outflow Cyclone overflow trash screen Particle size analyser Transfer pumps and hoppers NPI Sub-station HV 132 kV > 11 kV sub-station MCC and switch yard Reticulation to processing infrastructure

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  • SAG Milling in Australia -Revised Submission

    pinion systems to 8 MW per pinion and dual motor systems with quadruple pinions extend the range of gear driven mills to a theoretical limit of 32 MW. The Ernest Henry SAG mill (11 MW) is currently the largest twin pinion single drive mill installed in Australia. Problems have been experienced with the twin pinion drive at Fimiston and with the

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  • AN OVERVIEW OF SINGLE STAGE AUTOGENOUS AND

    twin pinion or dual motor and pinion installation. 6. Power demand exceeds 14 MW. This puts the application in the realm of a single mill with gearless drive or possibly twin motors each with a twin pinion. See later discussion on aspect ratio. If the aspect ratio is low then the limit of mill size is

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  • Canadian Mineral Processors Examine the Fine Art of

    Apr 01 2001 · When using SPI to calculate grinding energy consumption the calculation differs slightly. Gross SAG mill power is measured at a meter and includes the drive train power loss. This is a practical method of measurement because most SAG mills have a synchronous motor coupled directly to the pinion.

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  • OPERATING STRATEGIES Innovative Gear Drive Solution

    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.

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  • Paper # 25Copper Mountain Overview on the Grinding

    DUAL 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

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  • OUTOTEC MH SERIES GRINDING MILLS

    A pinion assembly with lubrication system comes as standard and includes the drive train with main gear MH SAG mill 500 1000 1500 2000 2500 3000 Maximum installed power kW fast installation • Mill easier to demount and move if needed Outotec is one of the largest mill suppliers in the world and has

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  • ABB ring geared mill drivesYouTube

    Click to view3 07

    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 designed for reliable long life and

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  • AN OVERVIEW OF THE DESIGN CONSTRUCTION

    The initial selection at this stage was for a single 34 dia. x 17 6" flange to flange long twin pinion 10.5 MW SAG Mill and a single 24 dia. x 36 flange to flange long twin pinion 12 MW secondary ball mill. By early 2006 better definition of the reserve and further test work indicated that the project NPV

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  • INNOVATION NEWS Mills and GMDsABB Group

    reliable drive system for SAG mills. Early SAG mills had a diameter of about 32 later increasing to 34 36 38 and 40 . At the same time the mill volume also increased. Typically a SAG mill has a much larger diameter compared to its length. Yet the SAG mill of Newmont s Yanacocha mine in Peru is a single

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  • Improved Productivity in Mining. SafeSet Torque-limiting

    Too much material or uncrushables in the mill might cause a rapid increase in torque or a total blockage of the machine. Ball Mill Sag Mill AG Mill Roller Press HPGR HRC Tunnelling Hard rock layers or too high drilling speed cause torque peaks. This can also occur during commissioning. Tunnel Boring Machine (TBM)Hard Rock

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  • Innovative Gear Drive Solution for Grinding Mills E MJ

    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.

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  • Horizontal Mill Pinion Drives Beneficiation Siemens Global

    Horizontal Mill Pinion Drives Grinding to the corewith pinion mill drives Excellent load sharing for twin drive systems to reduce wear tear Operations could be continued after a very short timewith installation taking just 13 days.

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  • Gears and PinionsMetso

    is proud to announce the launch of our new rebranded offer Gears and Pinions. A complete range of gear and pinion sets inspections design installation and alignment services to drive your mill s performance. You can expect the same quality supported by

    Get Price
  • Powerful gears in rolling mills Machine Design

    Each pinion stand has a gearbox also with helical gears that splits the power between upper and lower mill rolls. As Figure 2 shows the gears are huge. Pinions range from 2 to 4-ft pitch

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  • NewsDegbed Company Limited

    Apr 02 2018 · Degbed Company Limited was contracted by Group Five Projects for the installation of 20 X 13.5 Sag Mill and 4500 series Vertical mill on the Natougou Gold Project.

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  • Cadia Girth Gear Failureseand

    Sep 22 2014 · This is an update of work presented at the SAG 2001 conference on the Cadia gears 1 . Both gears and pinions on twin ball mills failed almost simultaneously. Our 2001 paper showed that the location of the failures is explained by the shape of the girth gear blanks.

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  • Ball Mill Maintenance Installation Procedure

    Metallurgical ContentBall Mill Maintenance ManualOn Mill Installation and MaintenanceBall Mill Concrete FoundationsGrinding Mill FOUNDATIONGROUTINGBall Mill Sole Plate Am sure your Ball Mill is considered the finest possible grinding mill available. As such you will find it is designed and constructed according to heavy duty specifications. It is designed along sound engineering principles

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  • TMdrive -10e2 SPR

    This variable speed drive application is a dual-pinion SAG mill driven by • Confi gured in a twin motor arrangement the motors share load in the tandem mill. The fi rst motor provides speed control measurements were taken before the SPR installation and after the SPR was in operation.

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  • Ball mill torque dual pinion failureManufacturer Of

    Installation twin pinion ball mill ellulnl. pinion on sag mill Grinding Mill China ball mill pinion shaft lubriion SCM SCM jaw crusher stone crusher SCM is one of the biggest manufacturers in 2 SATP Customers want and that is our goal we produce ore crusher installation twin pinion sag mill mill crusher chat. Oline Chat

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  • First use of Sinamics SL150 cycloconverters for grinding

    Installation of a Sinamics type SL150 cycloconverter is the centerpiece of the modernization of the ore mill in the Robinson Mine. The Simine Mill GD solution concept for gearless mill drives and twin-pinion mills enables analog or early digital control systems to be replaced without also having to replace the motor or transformers.

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  • OUTOTEC GRINDING TECHNOLOGIES

    to manufacture the mill s main components in the most cost-effective location. Robust quality assurance Our engineers perform progress inspections to verify compliance with all applicable specifications and standards. The results are recorded and form a part of the mill installation record which is maintained for the life of the installation.

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  • Replacing a 12 Bolt Pinion Yoke Chevy Nova Forum

    Sep 06 2008 · Just like the topic states the mill is all done and going on the dyno this week to see how much she s gonna make and I have to finish up the rear end before it gets home it s got a driveshaft with 1310 u-joints on it now and I know that thing will be junk the instant I let the tranny button go so I ordered up a Moser 1350 Pinion Yoke and a new 3.5" driveshaft from

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  • Ge Grinding Mill Drive SystemsCrusher

    Ge Grinding Mill Drive Systems. grinding carbon steel rock NEA PHOSPHATE ROCK GRINDING SYSTEMS Damos. demand for construction machinery ethiopia grinding mill china ge grinding mill drive systems installation twin pinion sag millCrusher Machine For Sale The XSM is professional ore crushing machinery company the company s crushers

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  • Ge Grinding Mill Drive SystemsCrusher

    Ge Grinding Mill Drive Systems. grinding carbon steel rock NEA PHOSPHATE ROCK GRINDING SYSTEMS Damos. demand for construction machinery ethiopia grinding mill china ge grinding mill drive systems installation twin pinion sag millCrusher Machine For Sale The XSM is professional ore crushing machinery company the company s crushers

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  • Girth GearsMore than Just Metal and Teeth

    Girth Gears — More than Just Metal and Teeth Steve Lovell Introduction The clear majority of published knowl-edge about gear manufacturing relates to two main subjects material quality and tooth accuracy. In most cases the mechanical accuracy of the gear blank is taken for granted and after all pre-paring a gear blank normally consists of

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  • Grinding MillsCITIC-Heavy Industries Co. Ltd

    Jun 15 2014 · CITIC HIC manufacture a full range of Grinding Mills for the Mining Sector. Our largest mills has been delivered to SINO Site to date are Ø12.2m x 11m 28MW Gearless Drive AG Mills and Ø7.9m x 13.6m 2x8 MW Twin Pinion Drive Ball Mills. These mills are scheduled of start up on 2012.

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

    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.

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  • Pinion Shaftan overview ScienceDirect Topics

    The typical IGC pinion shaft arrangement having the impellers outboard of the seals and bearings allows access for the application of VIGV mechanisms at the inlet of each stage (Fig. 4.5 A) if desired and similar accessibility exists for VDVs (Fig. 4.5 B) with similar actuation mechanisms. In both cases a single actuator rotates a control ring which subsequently rotates each IGV or VDV

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  • Sag Mill Pebble Crushersag Mill Pinion Damage

    Get Price And installation twin pinion sag mill manufacturer in the pebble crusher and HPGR can be operated in closed circuit with the More. sag mill pebble crusher iron projectjilongzhen.

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  • Grinding Circuitan overview ScienceDirect Topics

    The crushed pebbles fall directly onto the SAG mill feed belt and return to the SAG mill. SAG mill product feeds two parallel ball mills of 6.6 m 11.1 m (internal diameter length) each with a 9.7 MW twin pinion drive. The ball mills are operated at a ball charge volume of 30–32 and 78.5 critical speed.

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