sag mill pinion drive

Selecting Inching Drives for Mill and Kiln Applications

Selecting Inching Drives for Mill and Kiln Applications Glen Cahala Frank C Uherek, Principal Engineer - Gear Engineering Software Development Abstract The inching drive, also known as a barring or auxiliary drive, is an important component of any mill or kiln installation. It is used for maintenance and inspection purposes, as

SAG Mill Components -

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 ...

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

COPPER MOUNTAIN: OVERVIEW ON THE GRINDING MILLS AND THEIR DUAL PINION MILL DRIVES ABSTRACT This paper will first give a short overview of the Copper Mountain project in British Columbia, which just has started commercial operation earlier this year. The grinding process with one 34' x 20' SAG

Used Mining Equipment | SAG MILL unused 9.75 m DIA X ...

One (1) each UNUSED SAG Mill 9.75 m (32 ft) dia inside shell x 5.71 (18.75 ft) EGL with 11,500 kw twin-pinion variable speed drive, 10.3RPM, Trommel, feed chute, lube systems, motor starters & instrumentation, SER type variable speed drive, mill liners included. Machine is stored and preserved partially packed for transport.

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.

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 ...


GROSS POWER CALCULATOR General ... measured at the shaft which drives the pinion gear in a gear-and-pinion drive. Apart from in pilot-scale mills, the power at pinion is never directly measured in full scale operating mills but is estimated from the ... power draw of an AG/SAG mill to drop can be gauged by switching the discharge mechanism ...

ball mill pinion alignment -

SAG mill pinion gear alignment causes knocking in the drive train, vibration is your one stop shop for girth gears for AG, SAG, ball mill, 4.7/5(747) what are the causes of vibration on limestone ball mill . what are the causes of vibration on limestone ball mill. ball mill helical pinion gear vibration cause solution ball mill .

Ring-geared mill drives - Grinding | ABB

Based on ABB’s 800xA platform, the RMDcockpit is a specific mill application tool comprised of a touch screen panel allowing full access to the main parameters of the drive system as well as to the mill application features such as automatic positioning and creeping modes.


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.

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 sizes up to 36 ft in diameter. Gearless mill drive (GMD) technology has further expanded the use of large AG/SAG milling allowing to produce the ...

UNICAST.CA Drives, Gears, Pinions, Bearings

Ball Mill / SAG Mill Wear Parts Cast replacement wear parts with improved wear life. 250-807-7999 [email protected] 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 ...

Autogenous and Semi-Autogenous Mills | FL

SAG and AG Mills operate by lifting ore/grinding media and dropping it on the operating bed of the mill charge. High impacts from lifting ore and media promote impact breakage which is the primary mechanism for size reduction in the mill.

sag mill alignment -

> Crusher and Mill > how to set large ballmill gear and pinion clearances; Print. ... SAG mill pinion gear alignment: (job is done by ball mill . ball mill rotary equipment alignment procedure. Overview on the grinding mills and their dual pinion mill drives - Abb. SAG mill, ball mill, ring gear, dual pinion, drive systems, variable speed.

Ball Mill Drives - Mineral Processing & Metallurgy

The motor and pinion shafts are connected together through a flexible coupling. This drive is the most compact, resulting in minimum floor space. In cases where motors must be placed away from the mill a pilot shaft extension with flexible couplings can be provided. Ball Mill SPEED REDUCER DRIVE

Advantages of SER drives for SAG mills |

Dec 19, 2014· Advantages of SER drives for SAG mills. Friday, December 19, 2014 ... is typically used because gearboxes and pinion gears reach their present limit in size. Around 2MW and below, the squirrel cage/VVVF drive is simple and cost effective. ... I expect that this type of drive would be the most common large mill variable speed mill drive in the ...

pinion drive sag mill -

pinion drive sag mill - mayukhportfolio. pinion drive sag mill 1 copper mountain: overview on the grinding mills . ball mills. The installation and commissioning of the mills and drives at Copper . SAG mill, ball mill, ring gear, dual pinion, drive systems, variable speed.

Ok Tedi plans for long term with SAG mill upgrades by ...

Due to the low speed nature of the drive train, a torque limiting coupling is fitted to protect pinion and girth gear from eventual transient torques. As a result, the air-clutch that previously transferred the drive power to the mill can be removed, eliminating all air-clutch related outages and maintenance activities.

Sag Mill Drives: Girth Gears At 18,000 Hp Motors

Girth Gears At,Hp Motors. pinion drive sag mill crushing plant in China. holding down bolts for abb sag mill motors - ABB's Gearless mill drive system is the most powerful mill drive system in the market to power semiautogenous (SAG), ball and autogenous (AG) mills Details Sag Mill Drives: Girth Gears At 18,000 Hp Motors ...

Gearless AG/SAG mills -

Gearless AG/SAG mills. With the proven use of gearless drive technology, the limitation of AG/SAG mill size due to gearing constraints has been eliminated. is the world's leading supplier of gearless AG/SAG …

Mill Pinion Gears | Gearbox applications | David Brown ...

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 ...

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.

ball mill pinion gear shaft -

Brochure QdX4 Mill Drive system. 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 internal torque splitting capability transmitting motor input power to the pinion shaft and equally dividing into two mill …

Pinion Drive For Ball Mills -

Copper mountain: ...on the grinding mills and their dual pinion MILL drives4.30 Мб. KEYWORDS SAG mill, ball mill, ring gear, dual pinion, drive systems, variable speed INTRODUCTION The project is located 15 km southwest of Princeton, British Columbia (BC), an established mining town.

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 ...

Autogenous mills, semi-autogenous mills and ball mills for ...

Autogenous mills, semi-autogenous mills and ball mills for wet grinding. A company of Polysius ThyssenKrupp ... Rigid pinion drive With this type of drive, the mill shell is driven via one or ... SAG mill. Synchronous motor drive with air clutch.

Used Sag-mills For Sale -

Inventory ID: 6C-MI01. UNUSED 32' x 18.75' (9.75m x 5.71m) EGL SAG Mill with 15,416 HP (11,500 kw) twin-pinion variable speed drive

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 336 – 268 Lakeshore Rd. E. Oakville, Ontario L6J 7S4

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 ...