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Dual pinion sag mill vs single pinion sag mill pinion drive sag mill in europe crusher south ring geared mill drives single and dual pinion sag and ball mill is the function of a sag mill gear box autogenous and semiautogenous mills agsag mill drives mill motor gear drives can be offered for agsag grinding mill as dual pinion drives.

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general the bigger the mill diameter the lower are the mill operating and critical speeds Thus for larger mills the number of poles will increase As a result the number of poles can vary from 48 to 72 poles Fig 3 with typical mill speed requirements of about 10 rpm for larger SAG mills and about 15 rpm for smaller ball mills Figure 3.

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Gearless mill drive GMD technology has further expanded the use of large SAG 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 SAG mills operating globally.

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Inventory ID 6C HM03 UNUSED FL 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

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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 liners shell can be resize to any size.

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1 x SAG Mill Siemens Motor For Sale/Re Assignment Mill Details Type of Mill SAG Mill Mill Dimensions 11 582 mm x 7 759 mm 38 x 26 D x L Default Mill Speed 7.5 8.0 RPM Mill Speed 7.56 10.08 RPM Liners Excluded Mill Drive Motor Type Wrap Around included Mill Drive Motor Size 19 400 KW 26 016 hp Variable Speed Drive Yes Max.

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number of the largest SAG mills designed are installed in single stage configuration This paper discusses the This puts the application in the realm of dual motor dual pinion installations xPower demand of 16 capacity is too high for a single SAG mill a two stage grinding or alternate circuit is generally recommended 4

Get Price### TECHNICAL AND COMMERCIAL BENEFITS OF GEARLESS MILL

general the bigger the mill diameter the lower are the mill operating and critical speeds Thus for larger mills the number of poles will increase As a result the number of poles can vary from 48 to 72 poles Fig 3 with typical mill speed requirements of about 10 rpm for larger SAG mills and about 15 rpm for smaller ball mills Figure 3.

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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 SAG mill conference provided details of the then largest gear drive in interface between the mill vendor and the gearless motor supplier.

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An electric motor asynchronous or synchronous machine 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 particle size

Get Price### SINGLE STAGE SAG/AG MILLING DESIGN

number of the largest SAG mills designed are installed in single stage configuration This paper discusses the This puts the application in the realm of dual motor dual pinion installations xPower demand of 16 capacity is too high for a single SAG mill a two stage grinding or alternate circuit is generally recommended 4

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The two SAG mills in the Mission South Mill each have two 3 000 horsepower electric motors They can rotate in either direction which helps even out the wear on the steel liners inside the mill When the rocks are about 3/8 inch or smaller they are fed as a slurry into the two ball mills Each ball mill is turned by a single 3 000 horsepower

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SAG Mill Success Start with the Basics SAG mills are often flexible enough to accomplish the same size reduction provided by two or three stages of crushing and screening a rod mill and some or all of the work of a ball mill With units available in ratings up to 35 000 hp capable of supporting a grinding line that can output more than

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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

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1 x SAG Mill Siemens Motor For Sale/Re Assignment Mill Details Type of Mill SAG Mill Mill Dimensions 11 582 mm x 7 759 mm 38 x 26 D x L Default Mill Speed 7.5 8.0 RPM Mill Speed 7.56 10.08 RPM Liners Excluded Mill Drive Motor Type Wrap Around included Mill Drive Motor Size 19 400 KW 26 016 hp Variable Speed Drive Yes Max.

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1 x SAG Mill Siemens Motor For Sale/Re Assignment Mill Details Type of Mill SAG Mill Mill Dimensions 11 582 mm x 7 759 mm 38 x 26 D x L Default Mill Speed 7.5 8.0 RPM Mill Speed 7.56 10.08 RPM Liners Excluded Mill Drive Motor Type Wrap Around included Mill Drive Motor Size 19 400 KW 26 016 hp Variable Speed Drive Yes Max.

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Inventory ID 6C HM03 UNUSED FL 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

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part inventory If required ring motor drives can be fitted to shell supported grinding mills up to the largest sizes SAG/ball mill circuit incorporating pebble crushers and a POLYCOM high pressure grinding roll SAG and ball mill for gold ore grinding One of three SAG mills with 9.75 m diameter and 2 x 4000 kW drive power These mills

Get Price### STEPPING FORWARD USING VARIABLE SPEED DRIVES FOR

An electric motor asynchronous or synchronous machine 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 particle size

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sag mill capcity table Posted at June 14 2013 4.76657 Ratings jay jay mills lanka pvt ltd sri lanka ball mill machine hs code This MTW series milling machine is designed by our experts according to collected advices from customers long term experiences It takes the most advanced patent technology from European and the

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SAG mill drives as GMDs by some operators and principal motor designers/manufacturers until the reasons for known problems in design or manufacturing were better understood and resolved Accordingly the latest 40 ft dia SAG mill is rated at 29 MW and 78 C.S with a 42 ft dia mill built but not yet operational The more recent option

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installed power to maximise net present value The use of a dual SAG mill arrangement in a cost effective layout added substantial value to the project by increasing both initial and post Year 6 plant throughput for a modest increase in project capital cost when compared with the DFS case of a single 21.5 MW Gearless Motor Drive GMD SAG mill.

Get Price### SINGLE STAGE SAG/AG MILLING DESIGN

number of the largest SAG mills designed are installed in single stage configuration This paper discusses the This puts the application in the realm of dual motor dual pinion installations xPower demand of 16 capacity is too high for a single SAG mill a two stage grinding or alternate circuit is generally recommended 4

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Apr 11 2015 We deal with all kinds of used ball mills and sag mills for sale Check out our Allis Chalmers and Marcy ball mills offered at the most decent prices Brochure Ball Mills EN Larger ball mills are available with dual pinion or ring motor drives Our mills incorporate many of the qualities which have made the Marcy name famous sinceÂ

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large synchronous motor The poles of stage mill no ball mill after the SAG mill and has a diameter and length of 32 driven by a 16.5 MW GMD from ABB TECO Westinghouse Motor Company synchronous motors and generators provide superior value in terms of ball and sag mills chippers mixers pulp refiners

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The paper specifically describes SAG mills but the equations and principles apply equally to any conventional tumbling mill such as AG ball or rod mills MOTOR ELECTRO MECHANICAL CHARACTERISTICS The cost of a motor of a Gearless Mill Drive depends mainly on two parameters Diameter of the motor Rated Torque of the motor The

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Mill load sharingMaintains equal torques on dual pinion mills throughout the whole speed range Controlled rollbackPrevents backlash and reduces downtime Mill power ride throughKeeps the mill operating even under voltage dips Over duty cycleAvoids unexpected downtime if the mill

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Mar 07 2021 The motors are being applied in pairs to SAG and ball mills that operate through dual pinion drives supplying power to each mill Historically WEG says the customer was facing problems for a number of different reasons such as mechanical fits

Get Price### Preprint 13 050

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 SAG mill conference provided details of the then largest gear drive in interface between the mill vendor and the gearless motor supplier.

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Mill Lining Tega has more than 500 grinding mills lined globally in SAG AG Ball Primary and Secondary milling applications lined with Rubber Liner and Rubber metal composite liners Mill liner is the flagship business of Tega with customers spread over 68 countries Tega has been delivering Mill Lining solutions for more than 35 years and

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Gearless mill drive GMD technology has further expanded the use of large SAG 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 SAG mills operating globally.

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The PSD from multiple revolutions of AG/SAG mill surface vibration data has been shown to be a good bulk spectroscopic inferential measure particularly in terms of frequency band power of what

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dual motor sag mills Dual Pinion Ball Mill sag mill dual pinion geared drive sathishbabu sag mill dual pinion geared drive used sag mills for sale hardinge equipment more search for used sag mills find hardinge 3 ft widedual pinion gears with 19 teeth ahlstrom cegelec sag mill drive synchronous motor abb low speed drive solutions for ring geared mills

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An electrical impact study between variable speed dual pinion mills and gearless mill drives Abstract Conventional mining process circuits use both Semi Autogenous Grinding SAG and Ball mills It is very common that the SAG mills are operated with adjustable frequency drives AFDs and the Ball mills are operated at fixed speed 1 .

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large synchronous motor The poles of stage mill no ball mill after the SAG mill and has a diameter and length of 32 driven by a 16.5 MW GMD from ABB TECO Westinghouse Motor Company synchronous motors and generators provide superior value in terms of ball and sag mills chippers mixers pulp refiners

Get Price### THE COMMINUTION CIRCUIT DESIGN FOR THE CONSTANCIA

installed power to maximise net present value The use of a dual SAG mill arrangement in a cost effective layout added substantial value to the project by increasing both initial and post Year 6 plant throughput for a modest increase in project capital cost when compared with the DFS case of a single 21.5 MW Gearless Motor Drive GMD SAG mill.

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Apr 11 2015 We deal with all kinds of used ball mills and sag mills for sale Check out our Allis Chalmers and Marcy ball mills offered at the most decent prices Brochure Ball Mills EN Larger ball mills are available with dual pinion or ring motor drives Our mills incorporate many of the qualities which have made the Marcy name famous sinceÂ

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The company stand behind their product 100 and are proud of their top quality versatile and efficient mills Since the invention of the swingblade mill by Peterson Portable Sawmills many people have tried to replicate the technology The ease of use the amazing versatility and the machine s portability all make Peterson s swingblade the

Get Price### SAG millsMetso Outotec

Gearless mill drive GMD technology has further expanded the use of large SAG 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 SAG mills operating globally.

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It is situated near the Newmont Yanacocha gold mine where installed what was then the world s largest single stage SAG mill a 32 x 32 ft 9.75 x 9.75 m EGL mill driven by a 16.5 MW ABB gearless motor in 2008 That mill design was also the first of its kind and was customized for Newmont.

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