how much hp motor required for 4 tonn ball mill

  • Stirred Milling machine development and application

    -Wasted ball mill energy with balls impacting balls and balls impacting liner-Also contributes to higher ball wear • Retention of Fine Media-Vertical arrangement keeps the fines in the mill-Fine media will float out of a ball mill (will wear out pumps and screens fast too) 18 13 Nov 2013 QUEBEC MINES 2013 A Gear Box is mounted in the Classifier driven by 7.5 HP Electric Motor which is designed in such a way to prevent entry of the dust in the Gear Box. BLOWER The Fan casing is made from 5 mm M.S. Plate and suitable base is mounted with casing for the Electric Motor arc bearing Housing.

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  • 3 Roller MillLaxmi Engineering

    A Gear Box is mounted in the Classifier driven by 7.5 HP Electric Motor which is designed in such a way to prevent entry of the dust in the Gear Box. BLOWER The Fan casing is made from 5 mm M.S. Plate and suitable base is mounted with casing for the Electric Motor arc bearing Housing. -Wasted ball mill energy with balls impacting balls and balls impacting liner-Also contributes to higher ball wear • Retention of Fine Media-Vertical arrangement keeps the fines in the mill-Fine media will float out of a ball mill (will wear out pumps and screens fast too) 18 13 Nov 2013 QUEBEC MINES 2013

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  • biggest ball mill in the world

    When size really does matter. world s largest ball mills with 14 megawatts of installed power. To put its size into perspective the ball mill will span a width of 7.3 metres a length of 13m. Dust is controlled by the use of a wet scrubber with the discharge effluent returning to the mill. Grinding The grinding circuit consists of a 9 ft. diameter by 12 ft. long rod mill powered by a 450 hp motor plus a 7 ft. diameter by 10 ft. long ball mill powered by a 200 hp motor and a 6 ft. by 6 ft. ball mill powered by a 150 hp motor.

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  • Ball Grinding Mill at Best Price in India

    - Weight ball mill CustomizedMotor Type AC MotorType Ball Mill We offer Ceramic Ball Mill for Industrial Grinding it is used to grind materials into extremely fine powder for use in mineral dressing processes paints pyrotechnics ceramics and Selective laser sintering a 3D printing technology. in a l6 in. diameter 16 in. long Denver Ball Mill having a grate discharge. The ball mill driven by a 1.5 hp motor operated at a fixed speed of 53.8 rpm. This speed was 78.5 percent of the critical speed. The normal operating ball load was set at 230 pounds and was comprised of 2.5 2.0 1.5 1.0 and

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  • TECHNICAL How to Spec a Mill GearPower Transmission

    for grinding mill service. ANSI/AGMA 6004-F88 (Ref. 11) was the first attempt to reflect ratings based on tooth attribute quality for mill and kiln gearing it was released in 1988. Af-ter its limited acceptance in the indus-try the AGMA Mill Gearing Committee developed the current standard ANSI/ AGMA 6014-A06 (Ref. 4) released in 2006. for grinding mill service. ANSI/AGMA 6004-F88 (Ref. 11) was the first attempt to reflect ratings based on tooth attribute quality for mill and kiln gearing it was released in 1988. Af-ter its limited acceptance in the indus-try the AGMA Mill Gearing Committee developed the current standard ANSI/ AGMA 6014-A06 (Ref. 4) released in 2006.

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  • Supporting information for "A New Energy Efficient

    ing slag thus requires 220 kWh/ton which will require a 11.5 D x 14.5 L ball mill driven by a 753 HP motor S3 . The blending of 2.56 tph slag with 1.10 tph salts and 1.46 tph MgH 2 requires 50 kWhr/ton S4 or a total of 256 kWhr. The energy required for the reduction reaction was calculated using HSC Chemistry 5.11 software. The Mine Mill Equipment Cost Guide covers more than 3 000 items of mobile portable and stationary equipment commonly required by mining and milling operations. Select from a full range of sizes and types with productivity information for many items.

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  • Cutting SpeedsLittleMachineShop

    Turning speeds are adjusted to the feed rate of the mini lathe (0.004/rev.) a depth of cut of 0.040 and a tool life of 180 minutes. 363 / 500 HP Stroker Engine. We are offering 363 / 500 HP Stroker Engine in a very competent price please check the Product specifications and if you have any questions feel free to contact us. Dart 302 block 8.200″ deck. 4.125 bore x 3.400 stroke. 4 bolt main center caps Eagle forged steel crankshaft

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  • Jerritt Canyon Mine Jerritt Canyon Gold

    The dry grinding circuit consists of a 18.5 foot diameter x 14.5 foot long Fuller grate-discharge ball mill driven by a 2 500 hp motor and operated in closed circuit with a Fuller O Sepa air classier to produce a final ground product sized at about 80 passing 105 microns which is stored in a 2 000 ton Dust is controlled by the use of a wet scrubber with the discharge effluent returning to the mill. Grinding The grinding circuit consists of a 9 ft. diameter by 12 ft. long rod mill powered by a 450 hp motor plus a 7 ft. diameter by 10 ft. long ball mill powered by a 200 hp motor and a 6 ft. by 6 ft. ball mill powered by a 150 hp motor.

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  • Cutting SpeedsLittleMachineShop

    Turning speeds are adjusted to the feed rate of the mini lathe (0.004/rev.) a depth of cut of 0.040 and a tool life of 180 minutes. Jun 25 2011 · LRS costs in range of 5-7 lacs. INR however MV VFD starts from range about 1.2 Cr. INR. (3) For Ball mill starting torque requirement is very high about 70-80 . Pull out torque requirement is also high about 250 . Hence while specifying ball mill motor pull out torque is generally given as 250 without negative tolerance.

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  • 1000 HP Synchronous MotorElectric motors generators

    Jun 16 2004 · Coils and winding materials were ordered in advance and the motor was re-wound at operating site in 4 days this reduced substantially the money loss when the mill is out of production. The motor work with unbalanced phases for around 40 days and did not show signs of potential failure. ing slag thus requires 220 kWh/ton which will require a 11.5 D x 14.5 L ball mill driven by a 753 HP motor S3 . The blending of 2.56 tph slag with 1.10 tph salts and 1.46 tph MgH 2 requires 50 kWhr/ton S4 or a total of 256 kWhr. The energy required for the reduction reaction was calculated using HSC Chemistry 5.11 software.

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  • Ball Mill MotorsTools and ToolingAPC Forum

    If you watch EBAY you can often buy a brand new 1/2 or 3/4 HP single phase TEFC motor (around 1750 RPM) with a floor mount from 50 to 150 bucks shipping. Well worth the money for a ball mill. The difference between stupidity and genius is that genius has its limits 15 Oct 2013 ball mill calculation kw and rpm More details mill pinion to drive motor- crusher and mill Ball mill 9000 HP Motor speed 990 rpm Mill speed . Read more. balls time of grinding particle density and speed of the ball mill (rpm) have been . the size of mill required based on throughput and therefore the motor. Read more.

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  • Unit Operations in Food ProcessingR. L. Earle

    As the specific surface of a particle the surface area per unit mass is proportional to 1/L eqn. (11.3) postulates that the energy required to reduce L for a mass of particles from 10 cm to 5 cm would be the same as that required to reduce for example the same mass of 5 mm particles down to 4.7 mm. This is a very much smaller reduction in A Gear Box is mounted in the Classifier driven by 15 HP Electric Motor which is designed in such a way to prevent entry of the dust in the Gear Box. BLOWER The Fan casing is made from 5 mm M.S. Plate and suitable base is mounted with casing for the Electric Motor bearing Housing.

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  • DC Motor and Speed Control UnitSherline Products

    About Sherline Motor and Speed Control Units. The 90-volt DC motor provides far more than that of the 1/2 HP AC/DC motor we used to offer prior to 1994. A DC motor offers its maximum torque at low RPM where you need it most so the full speed horsepower rating of an AC/DC motor can be a little deceiving as far as offering practical usable power. The Mine Mill Equipment Cost Guide covers more than 3 000 items of mobile portable and stationary equipment commonly required by mining and milling operations. Select from a full range of sizes and types with productivity information for many items.

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  • Steam Engine CrankshaftPractical Machinist

    Jul 05 2007 · I m looking to machine a new crankshaft for an Ames Uniflow single cylinder horizontal steam engine to adapt it to a new application. The shaft is 8" at the largest diameter and will be approx. 4 feet long. Speed 150 to 200 rpm and 200 HP. What material would engine builders have used for the crankshaft back in 1921 when this engine was built Jan 01 2016 · A Bond ball mill work index is then performed on the mill product for the design of SAG-ball mill circuits. This is important because it was found that there was a 1–1.5 kWh/t higher ball mill work index if the –3.35 mm ball mill test feed size is obtained by SAG mill

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  • Temperature Monitoring Is Key To Motor Reliability

    Jul 02 2004 · In the most common speed ratings the NEMA designation of medium motors includes ratings of 1/2–500 hp for 2- and 4-pole machines and up to 350 hp for 6-pole machines. Temperature rise limits for large motors—i.e. those above medium motor Jun 16 2004 · Coils and winding materials were ordered in advance and the motor was re-wound at operating site in 4 days this reduced substantially the money loss when the mill is out of production. The motor work with unbalanced phases for around 40 days and did not show signs of potential failure.

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  • Paper # 25Copper Mountain Overview on the Grinding

    Table 4 5 and 6 include the technical data for the Copper Mountain ball mills. Table 4general ball mill data Specification Data Mill size 7.315 M 24 feet diameter by 12.039 M 39.5 feet long Mill type Wet grinding overflow discharge Mill drive motor size 17 000 HP Mill drive motor type Synchronous 200 RPM Inside diameter 7 315 mm Length When size really does matter. world s largest ball mills with 14 megawatts of installed power. To put its size into perspective the ball mill will span a width of 7.3 metres a length of 13m.

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  • biggest ball mill in the world

    When size really does matter. world s largest ball mills with 14 megawatts of installed power. To put its size into perspective the ball mill will span a width of 7.3 metres a length of 13m. Advantages and features of the ceramic ball mill. The grinding fineness depends on the milling time. The motor of the ceramic ball mill is started by the coupling reduce voltage which lowers the starting electricity and the ball mill s structure is divided into integral type and freestanding type advantages of the ceramic ball mill are lower investment energy saving structure novelty

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  • CALCULATION OF THE POWER DRAW OF DRY

    A.S. Erdem Ş.L. Ergün A.H. Benzer 222 () KW b D V p fC s C S s s ⎟ ⎠ ⎞ ⎜ ⎝ ⎛ = − − 9−10 0.3 2 0.1 4.879 3.2 3 1 (1) where KwbKilowatts per metric ton of balls DMill diameter inside liners in meters VpFraction of mill volume loaded with balls fCsFraction of critical speed SsBall size factor To determine the power that a dry grinding 8.1.3 Power drawn by ball semi-autogenous and autogenous mills A simplified picture of the mill load is shown in Figure 8.3 Ad this can be used to establish the essential features of a model for mill power. The torque required to turn the mill is given by Torque T Mcgdc T f (8.9) Where Mc is the total mass of the charge in the mill and Tf is

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