ring motor sag mill

• SAG Mill Autogenous and Semi - Know More

  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 SAG/AG Mills range in size from 43m through 122m in diameter with powers as high as 28,000 kW...
• Ok Tedi plans for long term with SAG mill upgrades by , - Know More

  Nov 22, 2017 0183 32 For SAG 2, Siemens supplies two 8 pole, high speed induction motors to replace the existing slip-ring motors, eliminating all brush or slip-ring related outages and maintenance activiti The four identical variable speed drives VSD operating all four mill motors are Sinamics Perfect Harmony GH180 units...
• Gearless Mill Drives Beneficiation Siemens Global - Know More

  The Siemens 42-ft Gearless Mill Drive, still an evolutionary design approach? SAG Conf 2015 Optimization of the drive system for a cyclone feed pump SME 2015 Increasing availability through advanced Gearless Drive Technology CMP 2014 Design and dynamic behavior of large ring motors for grinding mills SMMH 2012...
• Autogenous mills, semi - Know More

  Ring motor driven SAG mill for gold ore grinding SAG and ball mills for com-minuting gold/ copper ore Site assembly of a large mill shell 3 The design offers such benefits as xElimination of castings and the structural risk associated with them xFeed and discharge designed to process requirements rather...
• Advantages of SER drives for SAG mills GoHz - Know More

  Dec 19, 2014 0183 32 Advantages of SER drives for SAG mills Friday, December 19, 2014 , So for a fixed torque and higher speed, the power obtained from the motor is higher than the motor nameplate rating Brush/slip ring maintenance is one issue However, when the brushes are specified correctly for the load, the wear is manageable ....
• Mining Mill Braking Technologies - Know More

  It is not unusual to find SAG mills up to 40 feet in diameter and Ball mills of 26 feet Motor power is ever increasing with current designs producing upwards of 20MW For these large drives the solution has been to introduce low speed ring motors wrapped around one end of the mill...
• Industrial Solutions Autogenous, - Know More

  SAG mill with COMBIFLEX® drive for gold ore grinding Ball mill with ring motor drive Brake of a ring motor drive 8 Flotation Wet grinding Grinding is one of the most energy-inten-sive production stages and therefore has a substantial energy-saving potential The main demands made on grinding...
• The Siemens 42ft gearless mill drive, still an , - Know More

  The ring motor is not self-supported and requires the mill to mount the rotor poles and needs the mill foundation to support the stator In addition, considerations for mill load- , SAG-Mill GMD delivered by Siemens The aim of the test program was to identify all real natural frequencies in a modal analysis...
• Lube Oil Trunnion Sag Mill - Know More

  2017729 Autogenous mills, semiautogenous mills and ball mills for wet grinding A company of Polysius ThyssenKrupp caused by mill sag, thermal distortion and manufacturing toleranc Hydrodynamic or oil leaks The mill shell is a welded structure ,...
• Ring gear drives huge grinding mill Machine Design - Know More

  Mar 01, 2000 0183 32 The largest ringmotor- driven mill in the world is a 36-ft diam, 16,000-hp SAG mill that processes up to 2,000 tons of ore per hour Located at Kennecott Utah Copper near Salt Lake, this mill us...
• Electrolytic starter LRS for high power slipring motors , - Know More

  Why using a starter for slip ring motors In order to start a slip ring motor, the accelerating torque has to be sufficiently higher than the resisting torque Higher is the inertia, higher has to be the accelerating torque, otherwise the start will be very long and the motor can be damaged by the heating If the motor is started directly ....
• PDF Resonance effects, power quality and reliability , - Know More

  For a 20 MW ring-motor, the rated ity of the mill Sams et al, 2003 That is why variable torque is near 20 106 Nm with great forces between speed is employed in the operation of high-power mills stator and rotor...
• SAG Mill and Ball Mill Case Study - Know More

  May 31, 2016 0183 32 SAG Mill and Ball Mill Case Study In September 2011, the company Outotec, located in Espoo Finland , awarded Ingeteam a contract for the design and supply of the main drive equipment for a 23MW SAG mill and a 21MW ball mill to be installed in Russia Outotec is a global leading company that designs and delivers turnkey projects in the ....
• Brazil s WEG installs SAG and ball mill slip ring motors , - Know More

  Mar 07, 2021 0183 32 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, overheating of antifriction bearings and electrical overload events...
• Siemens expands mining portfolio to include gearless drive , - Know More

  Aug 28, 2010 0183 32 The principal component of the new drive system, which was designed and constructed within just two years, is a ring motor with a width of 25 meters and a height of 20 meters 38-foot SAG mill with gearless drive system from Siemens...
• Ring gear drives huge grinding mill Machine Design - Know More

  Mar 01, 2000 0183 32 Ring-motor drives were first used in cement industry mills and later in mining industry applications The largest ringmotor- driven mill in the world is a 36-ft diam, 16,000-hp SAG mill that ....
• Cone Crushers HP Series Cone Crushers - Know More

  22 - Hydraulic adjustment motor 23 - Clamping cylinders 24 - Torch ring 25 - Cone feed plate 10 - Countershaft bushings 11 - Gear and pinion 12 - Main shaft 13 - Eccentric thrust bearing 14 - Counterweight guard 15 - Tramp Release assembly 16 - Eccentric bushing 17 - Eccentric 1 - Locking bolt 2 - Feed bowl hopper 3 - Bowl 4 - Adjustment ring 5 ....
• Slip Ring Induction Motor - Know More

  Slip ring induction motor is one of the types of 3-phase induction motor and is a wound rotor motor type Because of various advantages like low initial current, high starting torque, and improved power factor, it is used in applications that require high torque, cranes, and elevators The rotor windings consist of more number of windings ....
• Selecting Inching Drives for Mill and Kiln Applications - Know More

  The standard inching drive motor is a NEMA or IEC frame typically foot mounted to a motor scoop or base plate Typical motor speeds are either 4 or 6 pole, ie 1750 rpm or 1170 rpm for 60 Hz applications and 1450 rpm or 970 rpm for 50 Hz applications The advantage of using a four pole motor allows for a smaller footprint and a smaller brake if...
• Construction of a SAG mill with the stator and the rotor , - Know More

  Fig 1 shows the construction of a SAG mill 2 It consists of a rotating hollow cylinder of about 12 m in diameter Two sets of bearings in ring-shaped structures support the cylinder to let it ....
• ABB ring geared mill drives - Know More

  Jun 05, 2013 0183 32 For more information bitly/15Iu5GGABB continuously extends technical and performance frontiers of ring-geared mill drive technology to fit site requ....
• Used Sag Mills for sale Hardinge equipment more Machinio - Know More

  26 x 14 ft 79 x 42 m SAG Mill 6,300 HP 4700 kW Motor 26 x 14 ft 79 x 42 m SAG Mill 6,300 HP 4700 kW Motor Variable speed drive available at extra cost Mill includes - main drive motor Slip Ring 6,300 HP - liquid resistance starter, includes variable speed d....
• When it Comes to Mining, Bigger is Best PTE - Know More

  An SABC circuit consists of a semi-autogenous grinding SAG mill, ball mill, and crusher A ball mill is a slightly inclined, horizontal rotating cylinder, partially filled with ceramic balls, flint pebbles or stainless steel balls, that grinds material to the necessary fineness by friction and impact with tumbling balls Fig 2...
• Brazil s WEG installs SAG and ball mill slip ring motors , - Know More

  Mar 07, 2021 0183 32 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 ,...
• PDF Evaluation of synchronous motors on grinding mills - Know More

  The subject of this paper is a synchronous drive of grinding ball mills 4 MW, 150 rpm, 6 kV, 50 Hz on the base of PWM CSI The system is installed at the concentrating plant of Norilsknickel in ....
• When it Comes to Mining, Bigger is Best - Know More

  SAG mill, ball mill, and crusher A ball mill is a slightly inclined, horizon-tal rotating cylinder, partially filled with ceramic balls, flint pebbles or stainless , the ring motor This allows for continu-ous analysis of the system status and the ability to inform the customer in a...
• Our History as Comminution Consultants - Know More

  1983 Conceptual study and pilot plant test work for the first 36 ft dia SAG Mill with a GMD Gearless mill drive, or ring motor at 15,000 hp and commissioned in 1991 1986 Development and successful implementation of a Bond Work Index-based methodology for estimating power requirements for SAG milling and secondary Ball milling...
• Failure Prediction of Induction Motors A Case Study using , - Know More

  kV/3ph/50 Hz Sag Mill Motor at Goldfields, Damang Mine C K Amuzuvi α H Warden σ Abstract- This paper proposes a generalised feed-forward artificial neural network model that fulfils the failure prediction of a three phase 58MW, 11 kV Slip-Ring SAG Mill Induction Motor at Goldfields Ghana Limited, Damang Mine It provides...
• Lrs And Ser For A Sag Mill, Ball Mill - Know More

  A sag mill with a 44 134m sag mills are primarily used at gold get price and support online sag mill ring gear failure iqsa sag mill pinion gear alignment motor power to the slip ring induction motor for sag mills and induction motor for the sag mill and liquid rheostat starter lrs and slip ring motor for the ball mill Online Chat...

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