used ft x ft ver sag mill

Ball Mills for sale, Pebble Mills, Rod Mills, SAG Mill 2020-10-28 8 Ft x 21 Ft Traylor Ball Mill, one extra head in good condition, Bull Gear: 266 tooth excellent condition, Pinion: 20 tooth one spare pinion in good condition, 500hp Synchronous Motor, speed 300 RPM, 4000v, spare Bearing Housings, One spare motor, single door but could support a second door, two complete sets of new rubber

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ball mill wrap around motor

mill motor wrap around. Thelarge Wrap Around Motor For Ball Mill Sale. Tue the large wrap around motor foe ball mill.mills and gmds maarten van de vijfeijken looks at large larger and the largest units in grinding ore t he gearless motor also called wraparound motor or ring motor is a very large synchronous motor the poles of the motor are directly installed on a pole flange on the mill shell

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(PDF) Autogenous and Semi

To date, 2 x 8,500 kW = 1 7 MW dual pinion drive ball mills have been sold and are presently operating since 20 12. This marks the highest power dual pi nion drive in the market toda y.

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Innovative Gear Drive Solution for Grinding Mills

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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Solutions for the Mining Industry

drive 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. Configured in a twin motor arrangement, the motors share load in the tandem mill. The Customer Need

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Debottlenecking of the Ridgeway Concentrator at Newcrest's

the ore from the Ridgeway sublevel cave (SLC) at around 5.5MTPA. Consisting of a single pinion 32' AG mill with a single pinion 7MW ball mill, it was a much smaller plant than the adjacent Cadia Hill Concentrator. Subsequent expansion of the circuit saw the additional infrastructure added as the

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SKF Performance Contracts for Horizontal Grinding Mills

This system monitors the complete drive line and includes: Motor, three stage gearbox, pinion bearings, trunnion bearings, pinion and girth gears. Careful analysis exposed the gear fault. The SKF IMx-S condition monitoring system was set up and configured with appropriate alarm thresholds. After monitoring the SAG mill for just under three

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diesel engine aluminium ball mill copper ore for sale

Project: One SAG Mill and 3 Ball Mill Drive Systems. Capacity: SAG Mill 1000 t/h Mill Size: SAG Mill 38 feet/1158 m. Ball Mills 24 feet/732 m. Ore processed: Copper/Zinc. Drive Rating: SAG Mill 20 Wrap-around Motors. SAG mill ball mill ring gear dual pinion drive systems variable speed Mining operations were suspended in 1957

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Ok Tedi plans for long term with SAG mill upgrades by

Nov 22, 2017In 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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Updates on geared vs gearless drive solutions for grinding

World's largest geared drive – 2x8500kW – Wushan, China (operating) Among the many reasons that geared drives on large SAG mills are not favoured, is due to not having an efficient variable speed drive option (60 to 80% critical speed), which is required for process reasons.

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abb ball mill operation

ABB commissions mill drives at Detour Lake gold . ABB's scope of supply included four dual pinion low-speed mill drive systems for two semiautogenous (SAG) and two ball mills, each consisting of two synchronous motors, converter transformers and ACS6000 frequency converters including active rectifier units that allow the mill drives to achieve a power factor of 0.90 leading.

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Motors

Dual or Single Pinion Drive Systems Designed to drive and control the speed of medium voltage motors coupled with Dual or Single pinion SAG, Ball and HPGR Mills, the MVW-01 variable frequency drive uses state-of-the-art technology through a multi-level structure with medium voltage IGBTs, reducing harmonic currents in the motor to extremely low

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Minerals

Firstly, there was a serious flaw in the power 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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Gold in Laos.

Their ball and SAG mills are among the largest of their kind equipped with an open drive and only one pinion. The gear rim of the largest ball mill has a diameter of approx. 12.5 m; that of the largest SAG mill has a diameter of approx. 14.5 m. The face width ranges from 850 mm to 1010 mm, and the largest mills achieve an output of 750 t/h.

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ABB wins its first variable

ABB, the leading power and automation technology group, has won an order to provide three single pinion high-speed mill drive systems for the Western Range iron ore Greenfield project in Liberia

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News – Degbed Company Limited

Apr 02, 2018April 2, 2018. Post category: News. Degbed Company Limited has been contracted by Redis Construction Limited on the Obotan Gold Project to install 8.6m and 5.8m sag and ball mills.Our noble team of workers are working.

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Drive Solutions for the Global Mining Industry

drive 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

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HD Technology Case Study

leading copper producing plant in southeastern Europe. The company's main activity is the produc-tion of copper anodes and copper cathodes, as well as byproducts such as sulfuric acid and iron sili-cate. The pinion gear shaft of the autogenous mill which is the subject of this case study works at low ro-tational speed (178 RPM).

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Ag mill timing polysius gearbox drive

Ag mill timing polysius gearbox drive Products. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, Ag mill timing polysius gearbox drive, quarry, aggregate, and different kinds of minerals.

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abb ball mill operation

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 . Get Price

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technical specifications sag mill

SAG Mill GM130 24 Ft dia x 12ft SAG Mill Allis Chalmers with a 3 500hp Synchronous Motor 4 000volts Philadelphia Gear Box 720 RPM in and 84.2 RPM out ratio 8.546 1 1 SAG Mill GM135 32 Ft dia x 16.5ft SAG Mill Hardinge with a 8 500hp Motor NEED SOME BALL MILLS SEND YOUR REQUEST AND WE WILL FIND IT FOR YOU info ramopps.

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Ingeteam to supply MV drive system for one 7MW SAG mill

May 30, 2018In the second quarter 2018, an Australian based Engineering Procurement and Construction company, awarded Ingeteam a project where the scope of supply includes project management, basic and detailed engineering, on-site services and two INGEDRIVE Medium Voltage Variable Frequency Drive (VFD) with th

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Sag Mill Pinion Damage

Installation Twin Pinion Sag Mill. sag mill drive arrangement canada - bliksembeveiligingepabe. largest sag mill dual pinion drive - 3d-interiereu installation twin pinion sag mill Grinding Mill China sag mill pinion drive Feldspar magnetic separator for sale sag mill pinion drive We offer advanced reasonable solutions for any sie reduction requirements Mineral and

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Crushing Grinding Gearbox Drives

SAG, AG, Horizontal Ball and Rod Mill Gearboxes View Product. Mill Pinion Gears View Product. Gearbox Repair. Not only do we provide expert service for our own brands - we can service, maintain, repair and upgrade any industrial gearbox make or model from our service centres across the globe. You can rest assured with David Brown Santasalo

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sag or ball mill helical gears description

helical profile grinder ball mill. FOB Reference Price Get Latest Price Sag or ball mill helical ring gears description sag or ball Ball Mill an overview ScienceDirect Topics The ball mill is a tumbling mill that uses steel balls as the grinding media The length of the cylindrical shell is usually 115 times the shell diameter . Read More

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Triol AT24 and AT27 VFDs in the mining industry

Despite the general purpose of crushers and mills, they are different in design and have their own characteristics of operating. Crushers. More than 90% of crushers in the mining industry are jaw and cone crushers. Mills. The most common type of mill in the mining industry is SAG and ball mills.

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Pinion Bearing Vibration In Cement Mills

Axial Vibration Cement Mill. PeakVue Technology Detects Damaged Bearing and Keeps changes in vibration levels at a 25yearold cement mill in Egypt This mill is the the axial vibration at the inboard bearing of the left pinion. Read More. Vibration Analysis Reliability Management Consultant Pvt

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cycloconverter for sag mill feet

Cycloconverter for sag mill 38 feetkoroda.Fqm has opted for siemens gearless mill drives to be used in the two sag mills having a diameter of 40 feet and an output of 28 mw and the two ball mills with a diameter of 28 feet and an output of 22 mw.With these mill drive systems there is no wear in the drive train since all forces are.

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Purchase of New SAG Mill from First Majestic Silver Corp

Jul 21, 2021Condor Gold is pleased to announce that it has entered into an agreement to purchase a complete new Semiautogenenuous Mill package from First Majestic Silver Corp. The purchase consideration is approximately US$6.5 million, including US$3.0 million payable in shares of the Company. The SAG Mill package represents a key item of the plant required to bring the Company's

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Gearless Mill Drive Protection Improvements and Its

The various options available for large-horsepower semiautogenous grinding (SAG) mill drive systems are examined, together with their impacts on mill design and relative capital and operational costs.

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Unused Sag

UNUSED 36' x 24' Dual Pinion Sag Mill with 2 ABB 9,000 kW (12,069 HP) Motors for Total Power of 18,000 kW (24,138 HP) Inventory ID: 6C-HM03 Manufacturer:

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Kiln Pinion Assembly

Kiln Pinion assembly - for 100 TPD DRI Coal Based Sponge Iron Plant rotary kiln 50 TPD - 600 TPD. Kiln Pinion complete assembly with bearing. Kiln Pinion, Kiln Pinion shaft, Kiln Pinion plumber block or bearing blocks, Kiln Pinion end cover end plate, Kiln Pinion sleeves, Kiln Pinion labyrinth ring or oil seal, Kiln Pinion bush, Kiln Pinion bearings, ZKL / SKF / FAG / Chinese / KOYO etc. Kiln

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