pinion drive sag mill

  • UNICAST.CA Drives Gears Pinions Bearings

    2018-5-25 · Ball Mill / SAG Mill Wear Parts Cast replacement wear parts with improved wear life. 250-807-7999 wearparts unicast.ca UNICAST.CA Drives Gears Pinions Bearings Unicast ball mill drive systems including gears pinions and bearings. BALL MILL DRIVES GEARS PINIONS AND BABBITTED BEARINGS Accurate and customized to fit. With in-field

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  • Sag Mill Pinion Failuremayukhportfolio

    The resulting mill design was 6.1m dia x 9.05 EGL SAG Mill with a 5.2MW with an identical structure trunnion bearings girth gear pinion and pinion bearings. design manufacture installation maintenance and failure analysis of heavy

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  • UNICAST.CA Drives Gears Pinions Bearings

    2018-5-25 · Ball Mill / SAG Mill Wear Parts Cast replacement wear parts with improved wear life. 250-807-7999 wearparts unicast.ca UNICAST.CA Drives Gears Pinions Bearings Unicast ball mill drive systems including gears pinions and bearings. BALL MILL DRIVES GEARS PINIONS AND BABBITTED BEARINGS Accurate and customized to fit. With in-field

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  • QdX4 Mill Drive system

    2017-4-21 · 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.

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  • AG millsMetso Outotec

    Gearless mill drive (GMD) technology has further expanded the use of large AG milling allowing Outotec to produce the world s largest SAG mill of 42 in diameter drawing power at 28 MW. Today Outotec is the world leading supplier of gearless AG mills operating globally.

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  • Advantages of SER drives for SAG mills GoHz

    2014-12-19 · Advantages of SER drives for SAG mills. Friday December 19 2014. For large mills requiring variable speed the wound rotor motor and SER drive are economical for a total rating of approximately 2MW to 16MW. Above 16MW the gearless drive (cyclo-converter) is typically used because gearboxes and pinion gears reach their present limit in size.

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  • Mount Milligan Mill DrivesABB

    2021-2-15 · SAG mill and two 26 ft ball mills all made by . The drive systems that enable the mills to operate at benchmark levels of reliability efficiency and availability were made by ABB whose solution comprises a 23.5 MW gearless mill drive (GMD) for the SAG mill and two 13 MW low-speed dual-pinion ring-geared mill drive (RMD) systems for the

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  • Sag Mill Syncronis Motor high axial vibration non drive

    2014-11-1 · RE Sag Mill Syncronis Motor high axial vibration non drive end bearing electricpete (Electrical) 4 Nov 14 10 00 Is there something resembling a large thin (example 3mm) plate on the end of the motor (sometimes called endshield).

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  • Autogenous and Semi-Autogenous Mills FL

    Rely on our proven track record of SAG and AG Mill superiority. Since the early 1980s we have been designing and manufacturing Semi-Autogenous (SAG) and Autogenous (AG) Grinding Mills under the Fuller-Traylor brand. Semi-autogenous grinding uses a minimal ball charge in the range of 6-15 while autogenous grinding uses ore only. SAG and AG

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  • Sag Mill Syncronis Motor high axial vibration non drive

    2014-11-1 · RE Sag Mill Syncronis Motor high axial vibration non drive end bearing electricpete (Electrical) 4 Nov 14 10 00 Is there something resembling a large thin (example 3mm) plate on the end of the motor (sometimes called endshield).

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  • AG millsMetso Outotec

    Gearless mill drive (GMD) technology has further expanded the use of large AG milling allowing Outotec to produce the world s largest SAG mill of 42 in diameter drawing power at 28 MW. Today Outotec is the world leading supplier of gearless AG mills operating globally.

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  • Pinion Shaftan overview ScienceDirect Topics

    A gearless drive SAG mill 12 m diameter and 6.1 m length (belly inside liners) with a motor power of more than 20 MW went into operation at Newcrest Mining s Cadia Hill gold and copper mine in Australia with a throughput of over 2 000 t h −1 (Dunne et al. 2001).

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  • Autogenous mills semi-autogenous mills and ball mills

    2017-7-29 · Rigid pinion drive With this type of drive the mill shell is driven via one or two pinions which transmit the motor power to the mill shell. Ring gear and pinion are usu-ally of the helical type. Lubri-cation is effected through a greasing system. The operat-ing conditions can be moni-tored by infrared devices. The pinion can be driven either

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  • What s the Difference Between SAG Mill and Ball Mill

    2019-11-26 · The biggest characteristic of the sag mill is that the crushing ratio is large. The particle size of the materials to be ground is 300 400mm sometimes even larger and the minimum particle size of the materials to be discharged can reach 0.1 mm. The calculation shows that the crushing ratio can reach 3000 4000 while the ball mill s

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  • Grinding Millsan overview ScienceDirect Topics

    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. The SAG mill trommel undersize is combined with the ball mills discharge and pumped to two parallel packs (clusters) of

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  • Mill drive selection for semiautogenous grinding mills

    2019-11-14 · mill. However recent SAG mill designs now include a single pinion drive that is used to transmit 5.6 MPa (7500 hp) to a mill. Consequently it is now possible with a twin pinion drive to have power transmission delivering I 1.8 MPa (15 000 hp) to a mill. This power level is now approaching that available through the gearless drive system

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  • Gearless mill drivesGrinding ABB

    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

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  • Advantages of SER drives for SAG mills GoHz

    2014-12-19 · Advantages of SER drives for SAG mills. Friday December 19 2014. For large mills requiring variable speed the wound rotor motor and SER drive are economical for a total rating of approximately 2MW to 16MW. Above 16MW the gearless drive (cyclo-converter) is typically used because gearboxes and pinion gears reach their present limit in size.

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  • SAG Milling in Australia -Revised Submission

    2014-10-1 · 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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  • Innovative Gear Drive Solution for Grinding Mills E MJ

    2020-4-8 · 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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  • SAG millsMetso Outotec

    We are essentially providing up to twice the power transmission of a conventional dual pinion drive. Gearless mill drive (GMD) technology has further expanded the use of large SAG milling allowing Outotec to produce the world s largest SAG mill of 42 in

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  • Sag Mill Syncronis Motor high axial vibration non drive

    2014-11-1 · RE Sag Mill Syncronis Motor high axial vibration non drive end bearing electricpete (Electrical) 4 Nov 14 10 00 Is there something resembling a large thin (example 3mm) plate on the end of the motor (sometimes called endshield).

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  • SAGDesign Test Starkey and Associates Inc.

    The SAG mill pinion energy W SDT (kWh/t) and SAG discharge Bond ball mill work index S d-BWI (kWh/t) are then used to calculate the total energy to grind the ore from 80 passing 152 mm to 80 passing the client specified final product size P 80.This information along with the ore specific gravity is used to calculate necessary mill sizes and motor power in industrial applications.

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  • SAGDesign Test Starkey and Associates Inc.

    The SAG mill pinion energy W SDT (kWh/t) and SAG discharge Bond ball mill work index S d-BWI (kWh/t) are then used to calculate the total energy to grind the ore from 80 passing 152 mm to 80 passing the client specified final product size P 80.This information along with the ore specific gravity is used to calculate necessary mill sizes and motor power in industrial applications.

    Chat Online
  • Grinding Millsan overview ScienceDirect Topics

    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. The SAG mill trommel undersize is combined with the ball mills discharge and pumped to two parallel packs (clusters) of

    Chat Online
  • Innovative Gear Drive Solution for Grinding Mills E MJ

    2020-4-8 · 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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  • Grinding MillsCITIC-Heavy Industries Co. Ltd

    2014-6-15 · Grinding Mills. 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. Our market share in China exceeds 80 with the

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  • Paper # 25Copper Mountain Overview on the Grinding

    2021-2-17 · The Copper Mountain SAG mill is 10363 mm 34 feet in diameter and 6096 mm 20 feet long. It is a grate discharge mill with an inside diameter of 10363 mm 34 feet and a grinding length of 5334 mm 17.5 feet . The mill is driven by two 8 500 horsepower ABB motors. Figure 2The 34 x 20 SAG mill

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  • SAG Mill Components911 Metallurgist

    2018-4-18 · If the mill requires approximately 6000 horsepower or less it is possible to drive it with a single pinion. To date however economics has dictated that most mills over 3500 horsepower be driven with two pinions using wound rotor motors driving thru speed reducers.

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  • Grinding MillsCITIC-Heavy Industries Co. Ltd

    2014-6-15 · Grinding Mills. 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. Our market share in China exceeds 80 with the

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  • Grinding MillsCITIC-Heavy Industries Co. Ltd

    2014-6-15 · Grinding Mills. 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. Our market share in China exceeds 80 with the

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  • ABB Commissions Dual-pinioned Mill Drives at Detour Lake

    2020-4-8 · ABB s supply scope included four dual-pinion low-speed mill drive systems for two SAG mills and two ball mills each consisting of two synchronous motors converter transformers and ACS6000 frequency converters. These include active rectifier units allowing the mill drives to

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  • Ring-geared mill drivesGrinding ABB

    The need for reliable and robust grinding solutions is driving the development of new technologies able to cope with larger equipment generating higher throughput. If in the past single pinion mills were enough to process all material today dual pinion or gearless driven mills are necessary.

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  • Optimizing Performance of SABC Comminution Circuit of

    2016-12-2 · configuration of the SAG mill and ball mill (both rated at 6000 kW with a single pinion drive). The capacity of the SAG mill was not fully utilized as the actual operating power draw was only 3358 kW. This meant it was only operating at 56 of its maximum power providing large room for improvement.

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  • Preprint 13-050

    2018-2-20 · Some consultants have the view that the gear drive is limited in power. Mr Craig Denecki (Falk Milwaukee) in his paper presented at the 1996 SAG 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

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  • Mill drives the desire for increased power and the

    2021-6-16 · Matching Mill Drive Description to Mill Requirements Once the power level for the primary (SAG) mill has been set i.e. design tonnes per hour (tph) x design E total kWh/t from the "geo-comminution" sample profile serious thought can be applied to sizing the required grinding equipment. Space here does not permit a detailed discus-

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  • Mount Milligan Mill DrivesABB

    2021-2-15 · SAG mill and two 26 ft ball mills all made by . The drive systems that enable the mills to operate at benchmark levels of reliability efficiency and availability were made by ABB whose solution comprises a 23.5 MW gearless mill drive (GMD) for the SAG mill and two 13 MW low-speed dual-pinion ring-geared mill drive (RMD) systems for the

    Chat Online
  • Grinding MillsCITIC-Heavy Industries Co. Ltd

    2014-6-15 · Grinding Mills. 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. Our market share in China exceeds 80 with the

    Chat Online
  • Preprint 13-050

    2018-2-20 · Some consultants have the view that the gear drive is limited in power. Mr Craig Denecki (Falk Milwaukee) in his paper presented at the 1996 SAG 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

    Chat Online
  • sag mill ring and pinionPexer Mining Machinery

    Sag mill ring gear failure chelseaecochampscoza. ball mill torque dual pinion failure SAG mill ball mill ring gear dual pinion drive systems variable speed the Copper Mountain mills only a torque limiting coupling is used in place of an air clutch to problems on the mechanical ponents of

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  • Mount Milligan Mill DrivesABB

    2021-2-15 · SAG mill and two 26 ft ball mills all made by . The drive systems that enable the mills to operate at benchmark levels of reliability efficiency and availability were made by ABB whose solution comprises a 23.5 MW gearless mill drive (GMD) for the SAG mill and two 13 MW low-speed dual-pinion ring-geared mill drive (RMD) systems for the

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