ring motor for ball mill

ring motor for ball mill

  • What Works Grounding rings on plant motors mitigate potentially

    Dec 8, 2010 This is the ball mill on which the first two grounding rings were installed at the Monarch Cement Company plant. The 5,000hp motor bearings failed regularly until an AEGIS iPRO Bearing Protection Ring (inset) at each end of the motor diverted damaging voltages. These onsite retrofits were accomplished 

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  • Selecting Motor Controls for Mining Process Torque Demands TMEIC

    Selecting Motor Controls for Mining Process Torque Demands Slide 24. Selecting Motor Controls for Mining Process Torque Demands. Grinding Mill Types & Operation. Autogenous Mill. [Ore is crushed by collisions with itself]. SemiAutogenous [SAG]. Mill. [Ore is crushed by steel balls & collisions with itself]. Ball Mill.

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  • Design and dynamic behavior of large Ring Motors for grinding mills

    The air gap between the rotor poles and the laminated core of the motor measures only some millimeters, the outer diameter of the rotor up to 14 meters and more. Deforma tions of the motor must be limited to avoid contact between rotor and stator. These deformations can be caused by acting operational forces but may 

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  • liquid resistance starters NHP

    machines such as ball and SAG mills, crushers, conveyors, compressors draw, a wound rotor (or slip ring) motor can provide unparalleled . given to M350 starters are therefore variable and appliion dependant. 5 starter model nominal motor kW rating at starting torque of single motor drives. 0.7 x flT. 1.0 x flT. 1.4 x flT.

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  • Threephase induction motor Wound rotor with motorized brush

    Appliion: Ball mills. 6500 kW, 11,000 V, 6 poles, frame 900. Appliions. Advantages. Motorized brush lifting implies important advantages in the performance of the motor throughout the years: □. Avoids constant and premature wearing of the brushes and collector rings. □. Reduces the stops for maintenance and 

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  • Uneven SAG Mill Drive Power Draw Grinding & Classifiion

    Apr 4, 2017 In the typical twin WRIM configuration, there are two WRIM, 2 gearboxes, and 2 pinions driving a common ring gear connected to the mill shell. I also think you may be onto something a gradual increase in current draw on one motor may well be linked with an increasing mill load (balls / clay / ore / water 

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  • Autogenous, semiauto genous and ball mills for wet and dry grinding.

    gear, drive pinion, and sliding shoe bearing with slide ring into a single housing. The threestage gear unit with integral auxiliary drive is installed separately. l. to r. Principle of the direct drive. Tube mill with direct drive. SAG mill with COMBIFLEX® drive for gold ore grinding. Ball mill with ring motor drive. Brake of a.

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  • Ring gear drives huge grinding mill Machine Design

    Loed at Kennecott Utah Copper near Salt Lake, this mill uses a ringmotor drive, Figure 5. The SAG mill is followed by two 20ft diam., 7,500hp geardriven ball mills. Another type of drive, less commonly used, consists of a motordriven speed reducer that is coupled to one of two millsupport trunnions, and drives the mill 

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  • ABB acquires ring motor business from Alstom ABB Group

    Jul 30, 2013 "The acquisition will combine the leading ring motor product from Alstom with ABB's electrical offering for GMD systems, enabling ABB to enhance its position Raw material from the crushing stage is typically fed to SAG (semiautogenous), AG (autogenous) and ball mills for further processing to break the 

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  • Patterson Industries Ball & Pebble Mills

    Ball Mill without Ring Gear 2ƌ" x 3ƌ". PATTERSON® Batch type Lined Pebble Mill 4Ɔ" diameter x 5Ɔ" long, type 'D' Nonjacketed including controls for stop/start, jog/run 012 hour timer and disconnect. Close up of Direct Drive Gear Motor with brake. Close up of Control Box with stop/start, jog/run and 012 hr timer.

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  • ball mill drive motor choices Artec Machine Systems

    The mill used for this comparison is a 4.4meter diameter by 13.6 meter long ball mill with a 5000 HP drive motor. It is designed for approximately 90 s.ton per hour. This type twocompartment mill is a .. reduce some of this maintenance, especially the maintenance of the slip rings and brushes. As the mills grew in size, the 

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  • Brochure Ball Mills

    overflow ball mill sizes range from 5 ft. x 8 ft. with 75 HP to 30' x 41' . and as much as 30,000 HP. 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 since 1913. These heavyduty machines are designed for long life 

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  • Ball mill duty motor Khandelwal Agencies

    KHANDELWAL AGENCIES Distributor, Supplier, Trading Company of Ball mill duty motor based in Bhiwadi, India.

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  • paper ABB Group

    The size of mills driven by ringgear or by a gearless solution has significantly increased in the last years. This has their appliion specific features and process optimization capabilities, even for ball mills where these are not were based on the slip energy recovery system with a wound rotor motor or AC drives. Faster.

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  • CG Double Cage Motor for Cement Mill. ( High Voltage Motors )

    For the raw and cement ballmill twin drives Slip Ring or other wound type rotor motors are used all over the world. CG Hungary is the first in the world to successfully break this tradition with double Squirrel Cage motors supplied to DunaDráva Cement Company at Beremend. This new solution is significantly cheaper from 

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  • 2200 kW 1000 rpm slipring motor for a cement ball mill YouTube

    Feb 19, 2017 Démarrage d'un moteur 6kV 3Ph 50Hz 2餠kW 1願 t/min de moulin à boules pour ciment. (00:55) Starting a 6kV 3Ph 50Hz 2,200kW 1,000rpm slipring motor for a cement ball mill. (00:55) Starten eine 6kV 3Ph 50Hz 2,200kW 1,000rpm Schleifringmotor für ein ZementKugelmühle. (00:55) 

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  • Ball Mill From Mainly Recycled Parts: 11 Steps

    Jun 21, 2009 This is my first instructable and I will be showing you how to make a ball mill for grinding chemicals from some recycled washers/dryers and a few parts from your A motor I got one from a old dryer that is rated for around 1600 rpm which is good for this appliion. 2. 2"x4" Amount will vary with the 

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  • 2200 kW 1000 rpm slipring motor for a cement ball mill YouTube

    Feb 19, 2017 Démarrage d'un moteur 6kV 3Ph 50Hz 2餠kW 1願 t/min de moulin à boules pour ciment. (00:55) Starting a 6kV 3Ph 50Hz 2,200kW 1,000rpm slipring motor for a cement ball mill. (00:55) Starten eine 6kV 3Ph 50Hz 2,200kW 1,000rpm Schleifringmotor für ein ZementKugelmühle. (00:55) 

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  • Ringgeared mill drives Grinding ABB

    ABB continuously extends technical and performance frontiers of ringgeared mill drive (RMD) technology to fit your site requirements. We provide optimized mill drive solutions for all types of ringgeared mills: low and high speed, single and dual pinion, with and without a gearbox — all designed for reliable, long life and 

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  • China Jr Series Wound Rotor Slip Ring Motor Ball Mill Motor Jr1288

    China Jr Series Wound Rotor Slip Ring Motor Ball Mill Motor Jr1288155kw, Find details about China Jr Motor, Motor Winding from Jr Series Wound Rotor Slip Ring Motor Ball Mill Motor Jr1288155kw Hebei Julun Trading Co., Ltd.

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  • Autogenous mills, semiautogenous mills and ball mills for Polysius

    perfected based on the experience of more than 180 units operating all over the world in various industries. Today Polysius grinding mills are exclusively built as shellsupported units. Ball mill in iron ore bene fiion plant. Ball mill with. COMBIFLEX® drive for lead zinc ore grinding. Ring motor driven SAG mill for gold.

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  • Replacing slipring with induction motor Electrician Talk

    Sep 17, 2014 i am running a Ball Mill using a 750HP, 4 pole,slip ring motor at 3.3KV. i want to upgrade the system to a squirrel cage motor and VSD at 525Vac. What motor size can i use as replacement ?

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  • Ringgeared mill drives Grinding ABB

    ABB continuously extends technical and performance frontiers of ringgeared mill drive (RMD) technology to fit your site requirements. We provide optimized mill drive solutions for all types of ringgeared mills: low and high speed, single and dual pinion, with and without a gearbox — all designed for reliable, long life and 

    >>Details
  • Ring gear drives huge grinding mill Machine Design

    Loed at Kennecott Utah Copper near Salt Lake, this mill uses a ringmotor drive, Figure 5. The SAG mill is followed by two 20ft diam., 7,500hp geardriven ball mills. Another type of drive, less commonly used, consists of a motordriven speed reducer that is coupled to one of two millsupport trunnions, and drives the mill 

    >>Details
  • 1 NEW LOCKED CHARGE PROTECTION SYSTEM PREVENTS

    ore angle is derived from the mill motor rotor currents only no mechanical transducers are required. The head of Gold SAG mill, Ball mill, Locked charge, drop charge, frozen charge, Liquid Resistance Starter, LRS . enough to cause damage to the sliprings, and may have been the cause of these problems. Figure 11 

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  • paper ABB Group

    The size of mills driven by ringgear or by a gearless solution has significantly increased in the last years. This has their appliion specific features and process optimization capabilities, even for ball mills where these are not were based on the slip energy recovery system with a wound rotor motor or AC drives. Faster.

    >>Details
  • ABB ring geared mill drives YouTube

    Jun 5, 2013 For more information: ABB continuously extends technical and performance frontiers of ringgeared mill drive technology to fit site req

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  • Interface for Drives in Cement Plants Semantic Scholar

    starting direct on line. Thus, the main fixed speed drives for SAG and ball mills are slip ring motors (also called wound rotor induction motor) and synchronous motors. Slip Ring Motors. Slip ring motors are high speed fixed speed drives (typically 6 or 8 pole motors) that are usually used for smaller mills, but sometimes for.

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