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

2021-2-17 · 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. The initial exploration at Copper Mountain dates back to 1884. In 1923, Granby

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SAG Mill | Autogenous and Semi-Autogenous Mills |

Since the early 1980s, we have been designing and manufacturing Semi Autogenous Mill (SAG Mill) and Autogenous Mill (AG Mill) under the Fuller-Traylor brand. Semi-autogenous grinding uses a minimal ball charge in the range of 6-15% while

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Mill drives: the desire for increased power and the ...

2021-10-19 · the desired motor power and drive rating, the maximum design mill speed, and the maximum design ball charge volume (Barratt, 1989). For single pinion and dual pinion drives, with 21 MW now a distinct possibility, the probability of pinion changes to a higher mill speed should always be considered when set-

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Update On JHEP SAG Mill Drive Selection | PDF | Gear ...

2016-1-23 · All parameters above are good for a 22.5MW to 24MW dual pinion SAG mill drive. Changes to AGMA standard have revitalised the large gear cutting industry and soon a machine shop in Holland will be able to fabricate gears of the following parameters: 20 meters in diameter = 65.6 feet 1.5 meters in face width 400 tonnes of machined weight.

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SAG Milling in Australia -Revised Submission

2014-10-1 · MW). It has been the industry standard for SAG mills above 13 MW capacity. However, 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.

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Autogenous grinding mills (AG mills) - 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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Drive Solutions for the Global Mining Industry

2017-4-9 · 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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Ring-geared mill drives - Grinding | ABB

Mill application features. Frozen charge protection – Detects frozen charge in the mill, minimizing equipment wear and liner replacements.; Coupling supervision – Detects if a failure or slippage occurs in the couplings and stops the system in case, preventing

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TMdrive -10SPR Product Application Guide

2017-4-9 · This variable speed drive application is a dual-pinion SAG mill driven by two 5,000 kW wound rotor induction motors. Two TMdrive-10SPRs control motor speed by recovering rotor current and returning the power to the utility supply. The Customer Need

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SAG Mill Components - Mineral Processing & Metallurgy

2018-4-18 · SAG Mill Components. Once the basic operating conditions have been defined for the mill designer then, and only then, can he begin taking into account

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Mount Milligan Mill Drives - ABB

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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Update On JHEP SAG Mill Drive Selection | PDF | Gear ...

2016-1-23 · All parameters above are good for a 22.5MW to 24MW dual pinion SAG mill drive. Changes to AGMA standard have revitalised the large gear cutting industry and soon a machine shop in Holland will be able to fabricate gears of the following parameters: 20 meters in diameter = 65.6 feet 1.5 meters in face width 400 tonnes of machined weight.

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ABB commissions drive and control systems at Copper ...

2011-8-16 · ABB supplied three low speed dual pinion mill drive systems for the startup of a new semiautogenous (SAG) mill and two ball mills. August 16, 2011 - ABB completed commissioning the low speed dual pinion mill drive and control systems at the newly reopened Copper Mountain super pit mine in British Columbia, Canada.

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Drive Solutions for the Global Mining Industry

2017-4-9 · 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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ABB drive systems for Canada’s Red Chris gold and copper ...

2015-6-18 · ABB’s complete scope of supply included two dual pinion low-speed mill drive systems for a 34’, 2 x 5.2 MW SAG mill and a 24’ 2 x 7 MW ball mill, engineering and commissioning. The drive systems are comprised of transformers, ACS 6000 MV

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dual drive ball mill mining machine

sag mill dual pinion diarahkan drive grinding mill stationary crusher mining machine. Practical 1 Ball Milling TF Lab 1. Dec 23 2013 · Practical 1 Title Ball Milling Objective To grind the coarse salt to a smaller size by using a ball mill and to obtain the particle size distribution of

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SAG Mill Components - Mineral Processing & Metallurgy

2018-4-18 · SAG Mill Components. Once the basic operating conditions have been defined for the mill designer then, and only then, can he begin taking into account shell and head stresses and trunnion bearing sizes required to carry the load and to give

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NN NSY - legroupecif

2021-9-22 · Girth gears SAG Mill eads Trunnions Ball Mill head in halves ubrication units ERmaster Single and multi-stage reducers GRNDNG (Ball and SAG Mills) ERmaster nching drive brake system Pinions Bearings Parallel-shaft reducers Compact lateral drives ERmill Single-pinion self-aligning drive Millrex Dual-pinion self-aligning drive (2,3 stages) Spring ...

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AN OVERVIEW OF SINGLE STAGE AUTOGENOUS AND

2014-10-1 · 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 ... single SAG mill, a two stage ...

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THE COMMINUTION CIRCUIT DESIGN FOR THE

2018-2-20 · A number of scenarios were modelled to determine throughput and mill pinion power. These scenarios considered SABC circuits and SAB circuits, preceded by secondary crushing when treating competent rock, with a single grinding train using 20 to 26 MW GMD driven SAG mills and dual grinding trains using 13 to 16 MW twin pinion gear driven mills.

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Mount Milligan Mill Drives - ABB

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 ...

Read More
ABB commissions drive and control systems at Copper ...

2011-8-16 · ABB supplied three low speed dual pinion mill drive systems for the startup of a new semiautogenous (SAG) mill and two ball mills. August 16, 2011 - ABB completed commissioning the low speed dual pinion mill drive and control systems at the newly reopened Copper Mountain super pit mine in British Columbia, Canada.

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dual drive ball mill mining machine

sag mill dual pinion diarahkan drive grinding mill stationary crusher mining machine. Practical 1 Ball Milling TF Lab 1. Dec 23 2013 · Practical 1 Title Ball Milling Objective To grind the coarse salt to a smaller size by using a ball mill and to obtain the particle size distribution of

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MINERAL PROCESSING: ABB commissions Clarabelle mill ...

2014-2-6 · ONTARIO – ABB, the leading power and automation technology group, has commissioned an upgrade to Vale's existing Clarabelle dual pinion semi-autogenous (SAG) mill.The project was completed on-time and on-budget with an excellent safety record. The Clarabelle mill beneficiates nickel-copper ore from various sources and companies and to produce a nickel-copper concentrate and copper ...

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NN NSY - legroupecif

2021-9-22 · Girth gears SAG Mill eads Trunnions Ball Mill head in halves ubrication units ERmaster Single and multi-stage reducers GRNDNG (Ball and SAG Mills) ERmaster nching drive brake system Pinions Bearings Parallel-shaft reducers Compact lateral drives ERmill Single-pinion self-aligning drive Millrex Dual-pinion self-aligning drive (2,3 stages) Spring ...

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Siemens to deliver automation systems for Chilean mining ...

2017-2-15 · The modernization project includes two 8 MW SAG (semi-autogenous) mills and two 1.7 MW ball mills with dual pinion drives. The drive systems are replacing the existing synchronous motors and direct converters for the SAG mills and the drive systems of the ball mills, which were installed by a different manufacturer.

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SAG Mill Components - Mineral Processing & Metallurgy

2018-4-18 · SAG Mill Components. Once the basic operating conditions have been defined for the mill designer then, and only then, can he begin taking into account shell and head stresses and trunnion bearing sizes required to carry the load and to give

Read More
TMdrive -10SPR Product Application Guide

2017-4-9 · This variable speed drive application is a dual-pinion SAG mill driven by two 5,000 kW wound rotor induction motors. Two TMdrive-10SPRs control motor speed by recovering rotor current and returning the power to the utility supply. The Customer Need

Read More
Major Mines & Projects | Chapada Mine

The grinding circuit consists of a primary 10.4 m x 5.8 m long EGL SAG mill with a dual pinion 12,500 kW drive (2 x 6,250 kW) for primary grinding. The SAG mill discharges onto a horizontal double deck vibrating screen. The top deck has 12 mm openings and the bottom has six millimetres openings.

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grinding mill failure modes - Felona

Mill Pinion Failure Modes mayukhportfolioco. ball mill torque dual pinion failure Inching drives in Single or dual pinions driving the ing gear r • Mill of the mill gear in norm ng mode 2 x main drive Read more Reducing the fatigue life of a girth gear girth gear driving a ball mill The failure mode is typical of other types of horizontal ...

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