sag mill drives girth gears at 18 000 hp motors

  • TECHNICAL How to Spec a Mill Gear - Power & Transmission

    Shop industrial electric motors at Automation Direct. Choose from a variety of industrial duty motors including 12v DC motors, 10 HP electric motors, and 1 HP electric motors. This version of Internet Explorer is either no longer supported by Microsoft, or is obsolete and some features of our store may no longer be supported.

  • Advantages of SER drives for SAG mills | GoHz

    Dec 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 16MW, the gearless drive (cyclo-converter) is typically used because gearboxes and pinion gears reach their present limit in size.

  • Ball Mill Design/Power Calculation

    and reduces their size. Power required for this process ranges from 75 to 18,000kW (100 to 24,000 HP), in either single- or dual-motor configurations. In this type of application, the pinion is mounted on pillow blocks driven by a low-speed motor or a motor and en-closed gear drive. The gear is mounted on the mill using a flange bolted con-

  • NORD - Helical Geared Motors | Helical Gear Motors ...

    Low-voltage motors and electric motors for motion control applications. The Drive Technology Configurator (DT Configurator) supports you when selecting the optimum electric motor for your application – including the applicable options and the matching converter.The Configurator directly transfers the data of the selected motor into the Siemens Industry Mall shopping cart.

  • Cadia Girth Gear Failures - eand.au

    component, a two speed motor as the motor component and gears as the transmission component. As mentioned earlier, most machines are driven by an electric motor. Electric motors can be divided into AC and DC motors. AC motors, particularly squirrel cage motors, are the most com-monly used motors in industrial processes.

  • Rexnord

    Our PowerFlex® 7000 Medium Voltage AC Drives are air-cooled or liquid-cooled drives available in a broad power range of 200…34000 Hp and supply voltages of 2400…6600V AC. These general purpose, stand-alone drives control speed, torque, direction, starting, and stopping of standard asynchronous or synchronous AC motors.

  • GIRTH GEAR - Artec Machine Systems

    Manufactures gear reducers, adjustable speed drives, electric motors, brakes, and electronic controls. Ratios from 1.5:1 to 28,831:1.Power ratings from fractional to ...

  • Flender | Homepage

    To process an average of 120.000 tons/day of mineral, the Laguna Seca concentrator uses a SAG mill and three ball mills, all driven by gearless mill drive (GMD) systems. Table 1 gives an overview of the basic technical data of the installed drives. TABLE I. MILLS AND THEIR DRIVES IN THE LAGUNA SECA PLANT Equipment Drive Comments SAG Mill (Semi-

  • Gearless Mill Drive Protection Improvements and Its ...

    The basic parameters used in ball mill design (power calculations), rod mill or any tumbling mill sizing are; material to be ground, characteristics, Bond Work Index, bulk density, specific density, desired mill tonnage capacity DTPH, operating % solids or pulp density, feed size as F80 and maximum 'chunk size', product size as P80 and maximum and finally the type of circuit open/closed ...

  • Grinding Ball Mills for sale, Rod Mills, Pebble Mills, SAG ...

    SAG Mill: GM130: 24 Ft dia x 12ft SAG Mill, Allis Chalmers, with a 3,500hp Synchronous Motor, 4,000volts, Philadelphia Gear Box 720 RPM in and 84.2 RPM out, ratio 8.546:1 : 1: SAG Mill: GM135: 32 Ft dia x 16.5ft SAG Mill, Hardinge, with a 8,500hp Motor : NEED SOME BALL MILLS?, SEND YOUR REQUEST AND WE WILL FIND IT FOR YOU [email protected]

  • Gearless Mill Drive Protection Improvements and Its ...

    SIZE CHECK Select a gear coupling to connect a 500 HP, 1170 RPM electric motor to a drive high speed shaft of a maneuvering winch. Maximum shaft separation is .250". Motor shaft diameter is 3.375" and keyway is ... 56 8.96 18.50 33.60 58.80 95.20 146.00 241.00 330.00 445.00 582.00 711.00 1060

  • Girth Gears - More than Just Metal and Teeth

    3 1 Planetary Gearbox for Nema34 Stepper Motor Speed Reducer Gear Head CNC. 5 out of 5 stars (1) Total Ratings 1, ... Shaft Mount Reducer Txt515 Dropin for Dodge Size 5 15 1 Ratio Gearbox. $1,248.00 New. Lexar Industrial MRV050 Worm Gear 50 1 56c Speed Reducer. 5 out of 5 stars ... Cyclo HFGS 4-25 Shell Darina 2 Gear Drive . $499.00. $136.67 ...

  • Gears - Spur and Miter Gears - Grainger Industrial Supply

    Our GMD eliminates all mechanical components of a conventional mill drive system, such as ring-gear, pinion, gearbox, coupling, motor shaft and motor bearings: By mounting the rotor poles directly onto the mill, the mill itself becomes the rotor of the gearless motor.

  • ABB drives - Technical guide No. 4, Guide to variable ...

    Sep 22, 2014· Figure 5: Damage to girth gear (Note: The damage to the loaded flank can be seen on the under-side of the top tooth; the damage to the unloaded flank can be seen on the top sides of the three lower teeth.) CONCLUSION. The gears and pinions on the Cadia ball mill gears …

  • Siemens Electric Motors SIMOTICS | Drive Technology ...

    Motovario S.p.A. Via Quattro Passi 1/3 41043 Formigine (MO) Italy Tel. +39 059 579700 Paid-in Capital: Euro 18.010.000 i.v. Rea: R.E.A. di Milano n. P. …

  • Drives & Motors | Allen-Bradley

    Motors Office Supplies ... pitch diameter and outside diameter can facilitate reboring modifications. Find steel miter gears and spiral bevel gears as well as steel and cast iron spur gears at Grainger in a wide range of sizes. ... and higher load capacity than a straight bevel of equal size. Spur Gears. This type of gears provides parallel and ...

  • Industrial Gear Systems - Industrial Drives | David Brown ...

    SIZE CHECK Select a gear coupling to connect a 500 HP, 1170 RPM electric motor to a drive high speed shaft of a maneuvering winch. Maximum shaft separation is .250". Motor shaft diameter is 3.375" and keyway is ... 56 8.96 18.50 33.60 58.80 95.20 146.00 241.00 330.00 445.00 582.00 711.00 1060

  • Sieg SX2 Mini Mill

    Introduction (10/17/09) As they have done with the new SC2 7x12 mini-lathe, Sieg's engineers have taken the basically sound design of the X2 mini-mill and enhanced it with a new belt-drive and brushless DC motor to make the new SX2 model mini-mill.The structure, components and operation of the X2 mill are unchanged, but the dramatically improved torque of the new motor is a game-changer for ...

  • ME6601 - DESIGN OF TRANSMISSION SYSTEM NOTES AND …

    component, a two speed motor as the motor component and gears as the transmission component. As mentioned earlier, most machines are driven by an electric motor. Electric motors can be divided into AC and DC motors. AC motors, particularly squirrel cage motors, are the most com-monly used motors in industrial processes.

  • Electric Motors | Industrial Motors | AutomationDirect

    Mill Girth Gears comprise high integrity girth gears that find application in driving horizontal grinding mills. With these gears developed for achieving superior finish strength and process reliability, these can be designed for different kW applications as well as in diameter and weight choices.

  • Gearless mill drives - Grinding | ABB

    The basic parameters used in ball mill design (power calculations), rod mill or any tumbling mill sizing are; material to be ground, characteristics, Bond Work Index, bulk density, specific density, desired mill tonnage capacity DTPH, operating % solids or pulp density, feed size as F80 and maximum 'chunk size', product size as P80 and maximum and finally the type of circuit open/closed ...

  • ABB drives - Technical guide No. 4, Guide to variable ...

    Motovario S.p.A. Via Quattro Passi 1/3 41043 Formigine (MO) Italy Tel. +39 059 579700 Paid-in Capital: Euro 18.010.000 i.v. Rea: R.E.A. di Milano n. P. …

  • Ball Mill Design/Power Calculation

    To process an average of 120.000 tons/day of mineral, the Laguna Seca concentrator uses a SAG mill and three ball mills, all driven by gearless mill drive (GMD) systems. Table 1 gives an overview of the basic technical data of the installed drives. TABLE I. MILLS AND THEIR DRIVES IN THE LAGUNA SECA PLANT Equipment Drive Comments SAG Mill (Semi-

  • Motoreducers, Motovariators, Electric Motors And Power ...

    Girth gears fall into two basic categories; flange mounted and tangential spring mounted. Flange-mounted girth gears, the more common of the two, are most frequently utilized in "cold" processing equipment such as SAG (semi autogenous grinding) mills and ball mills for use in the mining and cement industries. By current stan-dards, girth ...

  • Calculation of Gear Dimensions | KHK Gears

    We would like to show you a description here but the site won't allow us.

  • Preprint 13-050

    Nord Gear Corporation produces helical geared motors with a torque range from 50 to 26,000 Nm. The drive units are also available as wash-down versions. (Helical geared motors and helical geared motors from NORD Drivesystems in three product series)

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  • sag mill drives girth gears at 18 000 hp motors
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