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Paper # 25 Copper Mountain Overview on the Grinding

DUAL PINION MILL DRIVES The SAG and the two ball mills are gear driven and Copper Mountain selected the sophisticated low speed dual pinion mill drives from ABB to drive these mills. Brief History Sophisticated Dual Pinion Mill Drive Technologies About five years ago, ABB was already the market leader for Gearless Mill Drives (GMD). ABB

TON QdX4™ Mill Drive TON

The natural progression in gear/pinion mill drives We are essentially providing up to twice the power transmission of a conventional dual pinion drive. Going from a dual pinion to a quad pinion arrangement is in fact the natural progression to a robust, innovative mechanical solution allowing our customers to move forward with large gear driven

SAG mills TON 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 TON Outotec to produce the world's largest SAG mill of 42’ in diameter drawing power at 28 MW. Today, TON Outotec is the world leading supplier

Ring-geared mill drives Grinding ABB

Ring-Geared Mill Drives Flexible and smooth operation Brochure (English pdf Brochure) Copper Mountain: Overview on the grinding mills and their dual pinion mill drives (English pdf Technical publication) Measuremens at a state of the art 2x5 MW dual pinion mill drive (English pdf

inching drive for sag mill Pochiraju Industries Ltd

SAG mill, ball mill, ring gear, dual pinion, drive systems, variable speed . Typically a dedicated inching drive will turn the mill at a speed of about 0.15rpm. In the...

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

Autogenous and Semi-Autogenous Mills

Our mills use conventional geared drives for transmitting up to 18,000 kW of power by use of a twin pinion system. Depend on years of proven reliability and productivity We’ve been producing the highest quality SAG and AG Mills since the 1980s.

HIGH PROFILE- ABB reprint proof 15/01/2015 09:05 Page 1

SAG mill and two 26 ft ball mills, all made by TON. 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

Preprint 13-050

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 was due to the limitation of gear manufacturers not having access to larger single piece special alloy castings. To the benefit of

TON QdX4™ Mill Drive TON

The natural progression in gear/pinion mill drives We are essentially providing up to twice the power transmission of a conventional dual pinion drive. Going from a dual pinion to a quad pinion arrangement is in fact the natural progression to a robust, innovative mechanical solution allowing our customers to move forward with large gear driven

A Mechatronic Solution Design and Experience with Large

via a mechanical drive train with single or dual pinion and girth gear. This solution reaches its economic and design limits with increasing drive sizes. Today mills are powered by up to 20,000 kW (Figure 1) and mills with up to 32,000 kW are in the engineering stage.

Update on JHEP SAG Mill Drive Selection Gear Strength

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.

TON QdX4 Mill Drive system

SAG mill 32 ft. single drive The natural progression in gear/pinion mill drives: The TON 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.

Grinding circuit for Mount Milligan mine ABB

1 x 23.5 MW gearless mill drive system (GMD) to power the 40 ft SAG mill ; 2 x 13 MW low-speed dual pinion ring-geared mill drive systems (RMD) to power the plant's 26 ft ball mills; Both drive solutions share many common operation and maintenance features such as frozen charge protection, frozen charge remover, controlled rollback, automatic

HIGH PROFILE- ABB reprint proof 15/01/2015 09:05 Page 1

SAG mill and two 26 ft ball mills, all made by TON. 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

ABB mill drives & control systems chosen by Zijin for

As part of the modernisation project, ABB will provide ring-geared mill drives and intelligent control systems for one SAG mill (2 x 6.5 MW) and one ball mill (2 x 7.5 MW), including electric control systems, drives, motors, transformers and end-to-end services which will increase productivity, reduce downtime and boost energy efficiency.

backlash in grinding mill gear pinion Line Co

SAG mill, ball mill, ring gear, dual pinion, drive systems, variable speed the economic viability of Get Price Here! Dual pinion anti-backlash carriage drive for a Twin Drive Gear Box for Reversing Cold Mill, Two Pinion Stand Get Price Here!

Advantages of SER drives for SAG mills GoHz

Dec 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.

ABB ring geared mill drives YouTube

Jun 05, 2013 For more information: bit.ly/15Iu5GGABB continuously extends technical and performance frontiers of ring-geared mill drive technology to fit site requ...

Mining FCMD North America Parallel Shaft Reducer

SAG Mill shells, Ball/Rod for Mill shells, Ball Mill head in halves, SAG Mill heads; Girth gears, Pinions, Trunnions, Bearings, Lubrication Units; Millrex dual-pinion self-aligning (2,3 & 4 stages) and Ermill single-pinion self-aligning compact lateral drives; Ermaster single, multi-stage and inching drive brake system parallel-shaft reducers

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

Increasing availability through advanced Gearless Drive

Figure 1 Top view of SAG mills with alternative drive options; left side: dual pinion drive including motor, gearbox, pinion and girth gear; right side: gearless ring motor Declining ore grades, leading to increased material transport and plant throughput requirements, are one of the

Mining Weekly Gearless mill drives

Gearless mill drives 26th June 2009 GMDs are used on the larger ball and semi-autogenous grinding (SAG) mills, where power transfer through the con- ventional gearbox, pinion and girth gear

Increasing availability through advanced Gearless Drive

Figure 1 Top view of SAG mills with alternative drive options; left side: dual pinion drive including motor, gearbox, pinion and girth gear; right side: gearless ring motor Declining ore grades, leading to increased material transport and plant throughput requirements, are one of the

A Mechatronic Solution Design and Experience with Large

via a mechanical drive train with single or dual pinion and girth gear. This solution reaches its economic and design limits with increasing drive sizes. Today mills are powered by up to 20,000 kW (Figure 1) and mills with up to 32,000 kW are in the engineering stage.

Grinding circuit for Mount Milligan mine ABB

1 x 23.5 MW gearless mill drive system (GMD) to power the 40 ft SAG mill ; 2 x 13 MW low-speed dual pinion ring-geared mill drive systems (RMD) to power the plant's 26 ft ball mills; Both drive solutions share many common operation and maintenance features such as frozen charge protection, frozen charge remover, controlled rollback, automatic

STEPPING FORWARD: USING VARIABLE SPEED DRIVES

developed for single pinion or dual pinion applications depending on the power of the driven mill. High speed solution General overview of the high speed and low speed drive system solutions for gear driven mills (single or dual pinion) (Ingeteam). The breakage rate function shape of the SAG mill is largely governed by the mill load

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

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.

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

ABB mill drives for Zijin's Serbia copper mine Mining

ABB will deliver ring-geared mill drives and intelligent control systems for one SAG mill and one ball mill, running at 6.5MW and 7.5MW respectively. The company also noted that the dual pinion mill drive uses variable speed technology that ensures low mechanical stress impact on the pinion and ring gear through precise load sharing.

Advantages of SER drives for SAG mills GoHz

Dec 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.

vertical mill gear dual pinion Mining

SAG mill, ball mill, ring gear, dual pinion, drive systems, variable speed INTRODUCTION The project is located 15 km southwest of Princeton, British » More detailed DUAL

Mining Weekly Gearless mill drives

Gearless mill drives 26th June 2009 GMDs are used on the larger ball and semi-autogenous grinding (SAG) mills, where power transfer through the con- ventional gearbox, pinion and girth gear

WEG Provides Innovation in Ball Mill and SAG Drives with

The products tested are part of an important order from a large mining company for units that will drive 18 ball and SAG mills, both with single and dual pinion. The WEG laboratory is one of the largest and most sophisticated facilities of its kind devoted for the testing of electrical equipment and systems.

Grinding Mill Gear Assembly

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

Infrared Sag Mill Pinion

SAG Milling in Australia . 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