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    Oct 18, 2016· Starting a 6kV 3Ph 2,200 kW 1,000 rpm slipring motor for a cement ball mill Duration: 3:51. Yves Mamin 387,998 views

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  • main bearing in ball mill

    Mill Lubrication System SlideShare. 13 Jan 2014 ... Parts of Ball Mill to be lubricated: Trunnion bearing Feed end Gearbox .... Project's SAG mill uses Compounded Gear Oil as their main …

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    COPPER MOUNTAIN: OVERVIEW ON THE GRINDING MILLS AND THEIR DUAL PINION MILL DRIVES ABSTRACT This paper will first give a short overview of the Copper Mountain project in British Columbia, which just has started commercial operation earlier this year. The grinding process with one 34' x 20' SAG

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    For the prototype unit installed on a SAG mill, duplicates of the gearbox and stepper motor assembly were manufactured and swapped out at various intervals for inspection. Typically, only the main bearing holding the pendulum weight was replaced at around one year intervals as a preventative maintenance measure. The

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    The two main variables for controlling the SAG mills are feed and speed. Feed is presently controlled automatically via an expert system that adjusts the amount according to readings taken off of multiple bearing pressure load cells on each mill. Speed control was initially desired to be

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  • sag mill trunnion bearing

    The feed end of the 13000 hp Fort Knox SAG mill. A SAG mill is characterized by its large diameter and short length. ... available to turn the mill and the and the maximum weight the hydrostatic trunnion bearings... More details » Get Price

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    Mill Lubrication System SlideShare. Jan 13, 2014 ... Parts of SAG Mill to be lubricated: Trunion Bearing (feed end) Motor Bearings ... SAG mill uses Compounded Gear Oil as their main lubricant.

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  • Vibration Sag Mill Motor NDE Bearing | AMP Maintenance Forums

    Vibration Sag Mill Motor NDE Bearing; Vibration Sag Mill Motor NDE Bearing. robbie60 Member. 7/28/155:28 PM. At our mine we have an issue with vibration at the Sag Motor NDE bearing. The bearing is a journal white metal bearing. The motor has been running for about 14 months now. The vibration at the NDE bearing was around 2mm/sec.

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  • main bearing in ball mill

    Mill Lubrication System SlideShare. Jan 13, 2014 ... Parts of SAG Mill to be lubricated: Trunion Bearing (feed end) Motor Bearings ... SAG mill uses Compounded Gear Oil as their main …

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    Autogenous mills, semiautogenous mills and ball mills for wet grinding. A company of Polysius ... caused by mill sag, thermal distortion and manufacturing tolerances. Hydrodynamic or hydrostatic lubrication systems can be used for this type of bearing. The mill can be lifted and positioned by hydraulic jacks installed in the base of the ...

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    Locked charge starts and your grinding mill Outotec absorption so a failure of mill bearings, (normally the ... and ball mills with grate discharge are not prone to locked charge events because of the ... Damaged bearing …

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    Jan 08, 2016· In this training module, we'll cover the workings of a semiautogenous grinding mill, or SAG mill, that's designed to be the first stage of …

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  • Trunnion Bearing Assembly Ball Mill Rod Mill

    Metallurgical ContentBall Mill TRUNNION BEARINGSTrunnion BRONZE BUSHINGSTRUNNION BASE AND CAPBall Mill LUBRICANT JACKSBall Mill PINION SHAFT BEARINGS The first part of the mill that we will look at is the TRUNNION BEARING. This is a HYDROSTATIC BEARING which is a slow moving bearing that carries a heavy load. Usually it is constructed from Babbitt’s metal.

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    36 Denver Conical Ball Mill Protable Plant. your source for used ball mills, rod mills, sag mills, grinding balls, and mill components such as pinion gears, trunions, liners, sole plates, spe…

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    A SAG mill is characterized by its large diameter and short length. It rotates, tumbling its contents violently , causing a breaking action. The mill is lined with wear resistant steel liners which are fitted with lifters to assist with raising the load. The liners are replaced as they wear and the lifting action has degraded.

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  • Mill Lubrication System SlideShare

    Jan 13, 2014· Parts of SAG Mill to be lubricated: Trunion Bearing (feed end) Motor Bearings Gearbox Pinion Bearings : SAG mill Diagram Trunion Bearing (dis. end) 7. Lubricant Data: Masbate Gold Project’s SAG mill uses Compounded Gear Oil as their main lubricant. But a different class of Gear oil is use in every operating system of the SAG mill.

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  • What's the Difference Between SAG Mill and Ball Mill ...

    Ball mill power is relatively large, the appropriate choice of hydrostatic sliding bearing. The main bearing bush is lined with babbitt alloy bush, each bush has two highpressure oil chambers, highpressure oil has been supplied to the oil chamber before and during the operation of the mill, the highpressure oil enters the oil chamber through ...

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  • The Science of Comminution

    mill has attained its design speed, the high pressure pumps can be stopped and the bearings will operate in hydrodynamic mode using the oil wedge established at the leading edge of the pa by the low pressure oil feed. The bearing pad is self aligning due to hydrostatic lubrication of the ball and socket support. Initial

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  • What's the Difference Between SAG Mill and Ball Mill ...

    Nov 26, 2019· Ball mill power is relatively large, the appropriate choice of hydrostatic sliding bearing. The main bearing bush is lined with babbitt alloy bush, each bush has two highpressure oil chambers, highpressure oil has been supplied to the oil chamber before and during the operation of the mill, the highpressure oil enters the oil chamber through ...

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  • Mill (grinding) Wikipedia

    SAG is an acronym for semiautogenous grinding. SAG mills are autogenous mills that also use grinding balls like a ball mill. A SAG mill is usually a primary or first stage grinder. SAG mills use a ball charge of 8 to 21%. The largest SAG mill is 42' () in diameter, powered by a 28 MW (38,000 HP) motor.

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  • Ball mill preventive maintenance, SAG mill, AG mill ...

    Ball mill preventive maintenance (PM) It is a frequency work to maintain and repair ball mills, AG mills and SAG mills. The maintenance work influences the rotational speed and service life of ball mills. In order to reduce downtime of ball mill, regular examination and timely replacement of the parts should be done.

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  • SAG Mill Components Mineral Processing Metallurgy

    SAG Mill Components. Previous Next ... The mill trunnion bearings are a key assembly in mill operation. If the trunnion bearings are not reliable the complete mill is not reliable. ... This feature may prove to be one of the main attractions in the first application of this type of drive to either an autogenous or semiautogenous type mill.

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