sag mill dual pinion geared drive

  • Selecting Inching Drives for Mill and Kiln Applications

    the 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

  • Grinding Mill Gear Assembly - Mineral Processing & Metallurgy

    We will begin with the mill's bull gear assembly and work towards the motor, The BULL GEAR, sometimes called the RING GEAR is designed to turn the mill transforming the energy of the motor into motion for the mill. By mill we refer to Ball Mills, Rod Mills and SAG Mills. Anything gear and pinion really. The discharge end of the mill; For the operator this only becomes a problem should the ...

  • Search | WEG

    2017 WEG Standard Product Catalog (Motors, Enclosed Motor Controls, Gears, and Alternators) 2018 WEG Automation Catalog: LV Variable Frequency Drives and Soft Starters (Full Catalog) 2018/2019 Power and Controls Products Catalog

  • vertical mill gear dual pinion - relaxacademy.nl

    sag mill dual pinion geared drive carillonsmaastricht.nl. vector ball mill pinion Mill Pinion Gears Our high torque, high precision integral and non-integral mill pinions are used in SAG, horizontal ball mill and rotary kiln applications across the globe Supplied as an individual component or as a fully optimised system comprising a girth gear ...

  • SAG Mill Components - 911metallurgist.com

    SAG Mill Components ... Manufacturing limitations from gear vendors determine the minimum number of pinions which can be used to drive the mill as well as the number of gear sections. ... If the advantages of a synchronous motor are desired on any dual pinion drive application, dual synchronous motors are available to drive dual pinion gear ...

  • installation twin pinion ball mill - mikzeist.nl

    Brochure QdX4 Mill Drive system. Going from a dual pinion to a quad pinion arrangement is in fact the natural progression to a robust, innovative dual drive. SAG mill 40 ft. QdX4TM. Mill Drive. Foundation deformation installation and alignment, very similar to. get price; sag milling in australia – …

  • GIRTH GEAR - artec-machine.com

    Elastic mill sag by weight of mill balls and materia! to grind A: After temporary alignment of the teeth of pinion and girth gear with the mill empty, Fig. 8a, re-alignment should be undertaken with the mill filled with mill balls, i. e. with reference to the elastic sag in cold con- dition, Fig. 8b.

  • Gears And Pinion For Ball Mill | Crusher Mills, Cone ...

    how to align ball mill pinion to drive motor-[crusher and mill] Ring-geared mill drives Single and dual pinion. SAG and ball mill applications and are able … Now, the driving system of grinding ball mill is the gear drive…

  • Effective (Ore) Liberation - altraliterature.com

    40 ft. gearless SAG mill included two brake stations each with 3-off VMS-DP brakes and a hydraulic power unit to provide controlled braking functions. For the two 24 ft dual pinion direct drive geared mills, Twiflex provided VKSD-FL (floating) brakes on each mill to provide 454 kNm on the high speed shaft.

  • ABB ring geared mill drives - YouTube

    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 ...

  • Gearless AG/SAG mills -

    Removal of limits of design power gear and pinion drives are practically limited to about 10,000 hp per pinion. at this time, there is no reasonable gear drive alternative for more than two pinions or above 20,000 hp. the best solution is the gearless mill. Very high drive efficiency; Low maintenance requirements; Often require less floor ...

  • Large GMDs Commissioned at Mount Milligan Plant | E & MJ

    A 23.5-megawatt GMD drives this 40-ft-diameter SAG mill at Thompson Creek Metals' Mount Milligan concen trator plant, part of an order that also included two dual-pinion ring-geared drive systems for a pair of large ball mills.

  • QdX4TM Mill Drive system

    2 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.

  • Paper # 25 - Copper Mountain Overview on the Grinding ...

    Finally the first field measurements on these low speed mill drives will be presented, with the main focus on the low mechanical stress impact of these mill drives on the pinion and ring gear, as well as the accuracy of the load sharing between the two motors. KEYWORDS SAG mill, ball mill, ring gear, dual pinion, drive systems, variable speed

  • Ring gear drives huge grinding mill | Machine Design

    With inside dimensions of 36-ft diam. and 19-ft long, this semi-autogenous grinding mill (SAG — see next section) will use a 43-ft diam. ring-gear drive to transmit 18,000 hp and handle up to ...

  • mill dual motor sag mills

    sag mill dual pinion geared drive . sag mill dual pinion geared drive ... Gearless AG/SAG mills . SAG mill size due to gearing constraints ... ball mill double motor Mill Drive Motor Type Dual Pinion ... Get Price; Paper 25 Copper Mountain Overview on the … COPPER MOUNTAIN: OVERVIEW ON THE GRINDING MILLS AND ...

  • Preprint 13-050 - ceecthefuture.org

    SER drives are now mature and ready for use on 2 X 10MW dual drive mills. Speed variation required is in the range of +/- 15% of ... provided details of the then largest gear drive in operation on a SAG mill (34ft x 18ft) at Escondida 13.4MW, which ... of pinion and axial forces. For mill drives a …

  • Milling - Energy intensive and high maintenance

    Dual Pinion Drive. SINGLE AND DUAL PINION MILL DRIVES If we concentrate on the single and dual pinion configurations, we can see that these two configurations can be powered by low speed motors connected directly to the pinions driving the ring gear or by high speed motors that require a gear reducer between the pinions and the motors.

  • Gearless mill drives - Grinding | ABB

    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.

  • OPERATING STRATEGIES Innovative Gear Drive Solution for ...

    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.

  • ABB drive systems boost production at Canada's Red Chris ...

    Jun 09, 2015· ABB, the leading power and automation technology group, has successfully installed and commissioned two low-speed dual pinion ring-geared mill drive systems (RMDs) at …

  • 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 ...

  • Mill Pinion Gears | David Brown Santasalo

    Mill Pinion Gears. Our high torque, high precision integral and non-integral mill pinions are used in SAG, horizontal ball mill and rotary kiln applications across the globe. Supplied as an individual component or as a fully optimised system comprising a girth gear, mill drive gearbox, pinion and barring drive, our pinions are manufactured ...

  • Horizontal mills - InfoMine

    Horizontal mills Ball mills – dual pinion drive – Boddington Gold Mine, Australia 17 Dual Pinion Drive • (4) 26' dia x 44.5' long • 2 x 7500 kW • Geared - wound rotor induction motors • 150" pad bearings • Dual pinion drive

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