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The SAG mill in phase 1 uses two 4100 kW synchronous motors and works with a constant 10.5 rpm rotational speed in two directions, and SAG mill of phase 2 uses two 3700 kW synchronous motors and works with variable speed in two directions. Since

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The SAG mill uses two 5500 hp synchronous motors and works with constant 10.5 rpm rotational speed in two directions. Some important characteristics of this mill are summarized in Table 1.

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The grinding process with one 34' x 20' SAG mill and two 24' x 39.5' ball mills will be briefly discussed. All three mills are gear driven by a ring gear, dual pinion and two low speed synchronous motors. Copper Mountain has installed on all three mills, the All the ...

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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 Process and operational benefits Provides maximum throughput Provides highest availability for your grinding mill ...

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(PDF) Evaluation of synchronous motors on grinding mills Know More 29 Sep 2020 PEng., Senior IEEE Member Phd., Product Design Engineer P.E., Senior Design Engineer motor and drive solutions for single and dual pinion driven Ball and SAG. Mills and the

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Grinding mills and synchronous motors D'Angelo Description 13 ft diameter Allis Chalmers grinding mill configurable as ball or SAG mill Shell cut into multiple sections for transport, can be fit to desired length Falk Gear single helical 257 teeth with 38″ face width ...

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dual motor grinding mill drive synchronous motor- dual motor grinding mill drive synchronous motor,Typically, the synchronous motors used in SAG mills have a power higher than 10 MW Geared vs gearless drive solutions for grinding mills Dual motor gear

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PDF | Synchronous motors continue to be a viable alternative to induction motors because of ... At a mine site in Colorado, retrofitting a SAG Mill with new contro l was a major decision with many ...

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Single stage SAG Mills are very beneficial in reducing CAPEX for plants with a staged throughput approach. When future tonnage is to be increased, the SAG Mill can feed downstream ball milling to boost capacity. Fuller-Traylor SAGAG Mills range in size from 4

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Constant speed Low speed synchronous motors Synchronous motors are widely used in mill driving systems at a constant speed using an air clutch between the motor shaft and mill pinion to provide a smooth starting method. The use of synchronous motors can ...

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Construction of a SAG mill with the stator and the rotor separately mounted. Cross section of a SAG mill. Two synchronous motors coupled for testing in a factory in Brazil.

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On site we have a Sag Mill Driven by a 5500KW Motor. We have a vibration issue right across the Mill. The highest vibration is 30mm/sec RMS axial on the motor non drive end bearing.(White metal Bearing) The gear mesh frequency is 4200 CPM. The dominant ...

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Due to the high torque required by the mill, low speed motors are generally synchronous machines. The mill is a low dynamic system therefore a brushless synchronous machine is best suited for this application. Brushless synchronous motors have no wearing

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Mill Details (2 x Ball Mills & 4 x GE Motors, Type of Mill Ball Mill Mill Dimensions 6,706 mm x 11,125 mm (22’ x 36.5’) (D x L) Mill Speed 12.44 RPM Liners Excluded Mill Drive Motor Type Dual Pinion Synchronous (2 Motors per Mill) Mill Drive Motor :

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What Are Ring Motors For Sag Mills Mill (grinding) - Wikipedia The largest SAG mill is 42' (12.8m) in diameter, powered by a 28 MW (38,000 HP) motor. A SAG mill with a 44' (13.4m . SAG mills are primarily used at gold, . Get Price And Support Online sag mill

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Application: Ball Mill Equipment: 1 x 44000kW 30 pole 6600 volt Synchronous Motor Location: Kalgoorlie, Western Australia Ernest Henry Mine Application: 1 x 11000kW SAG Mill driven by Dual 5500kW motors, 1 x 5500kW Ball Mill Equipment: 3 x 5500kW 6

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Mill Throughput Capacity, The SAG test reproduces commercial SAG mill grinding conditions on 4.5 L of ore CFFine = If the product size P80 is less than 75 µm, the fineness of ball mill 35, SAG Mill Motor Type, Fixed, Synchronous Motor, Clutch, 1.06, 1, 3, 1 ...

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Sag Mill Synchronous Motors Prompt : Caesar is a famous mining equipment manufacturer well-known both at home and abroad, major in producing stone crushing equipment, mineral separation equipment, limestone grinding equipment, etc.

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Advantages of SER drives for SAG mills Advantages of SER drives for SAG mills Friday, December 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 ...

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Uneven SAG Mill Drive Power Draw Grinding ,There are two GE motors for SAG mill but unfortunately sometimes current draw exceeds more than 300 A in one of them and makes SAG mill shut down I was not sure about process issu Thanks a lot )Ring gear

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sag mill drives girth gears at 18 000 hp sag mill synchronous motors. sag mill synchronous motors low speed synchronous motors with dual pinion for mill. Get Price low speed drive solutions for ring geared mills abb group

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