WEBJan 1, 2015 · Parameters of Industrial Ball Mill Parameters Value Feed type Copper ore Feed rate 110130 MT/Hr Feed size 6 mm Discharge particle size 75 Micron Diameter of mill Ft ( m) Length of the mill 18 Ft ( m) Power rating of motor 10 MW Power required for grinding 700800 KW Temperature Ambient Ball diameter 65 .
WhatsApp: +86 18203695377WEBOct 22, 2016 · DIRECT CONNECTED Ball Mill DRIVE. When power exceeds 300 HP a direct connected drive is recommended. This drive is also applicable for lower power requirements if desired. Synchronous motors are preferred, but in some cases wound rotor motors may be used. Motor speeds will vary from 225 rpm to 450 rpm.
WhatsApp: +86 18203695377WEBMaking a ball mill from a sewing machine motor, a broom stick and some scrap wood. there doesn't seem to be any proper ball mill instructables on the site, all drill based temporary solutions, so I figured there needed to be one. I'm using 18mm MDF as that's what I had laying around 1 x dimmer switch 1 x sewing machine motor 1 x old computer .
WhatsApp: +86 18203695377WEBSingle Helical. Gear Guards. 800 HP Westinghouse Induction Motor. 4000 Volt. 1780 RPM. Gear Reducer. Sole Plates: Motor, Reducer, Pinion Assembly, Trunnions. 10' Dia x 18' KVS Ball Mills, 800 HP Motors, 2 Mills Available, Rubber .
WhatsApp: +86 18203695377WEBApr 28, 2017 · Open Circuit Grinding. The object of this test was to determine the crushing efficiency of the ballmill when operating in open circuit. The conditions were as follows: Feed rate, variable from 3 to 18 T. per hr. Ball load, 28,000 lb. of 5, 4, 3, and 2½in. balls. Speed,
WhatsApp: +86 18203695377WEBA ball mill is a horizontal cylinder filled with steel balls or the like. This cylinder rotates around its axis and transmits the rotating effect to the balls. The material fed through the mill is crushed by the impact and ground as a result of the friction between the balls. ... Auxiliary drive with disengaged coupling on the primary motor's ...
WhatsApp: +86 18203695377WEBBall mill mainly consists of feeding part, discharging part, gyre part, transmission part (decelerated machine, small transmission gear, motor, electric control) and so on. The hollow axis adopts cast steel, the lining plate can be replaced, the big gyre gear is made of forging rolling gear, and there is lining plate in the cylinder body, which ...
WhatsApp: +86 18203695377WEBThe ball mill cylinder is a hollow barrel, which is rolled and welded by several steel plates. The two ends of the cylinder are connected to the ball mill trunnion with end covers. As the main part of the ball mill, it has to bear the weight of the lining plate, grinding media, compartment plate, and grinding materials.
WhatsApp: +86 18203695377WEBApr 18, 2018 · These continuously monitor individual mill power and adjust each motor with respect to, such as the field, to achieve a balanced load division to the gearing. Until more experience is gained on this type of drive, AllisChalmers and major gear drive vendors advise adding a safety factor of 10% to the gear/reducer/coupling .
WhatsApp: +86 18203695377WEBIndustrial ball mills can be as large as m (28 ft) in diameter with a 22 MW motor, drawing approximately % of the total world's power (see List of countries by electricity consumption). However, small versions of ball mills can be found in laboratories where they are used for grinding sample material for quality assurance. The power ...
WhatsApp: +86 18203695377WEBApr 30, 2023 · The ball mill in a concentrator is mainly composed of feeding part, discharging part, rotating part, and transmission part (speed reducer, small drive gear, motor, and electric control). The cylinder is generally cylindrical (except cone ball mill). The grinding medium is usually steel ball, steel rod, or gravel, with a diameter of 25–150 cm. ...
WhatsApp: +86 18203695377WEBThe ball mill is powered by a fairly robust 12V DC motor salvaged from a junked printer. It had a pulley for a finetoothed belt on it. It was left in place and it seems to drive the heavy round rubber belt well without slipping. The motor was mounted using screws on only one side, which were deliberately left loose.
WhatsApp: +86 18203695377WEBRetsch offers mills with jar capacities from ml up to 150 l and balls are available from mm to 40 mm, see Figure 2. A third and very important characteristic of a ball mill, which also has a great influence on the result of a milling process, is the power of a mill. Depending on the appliion, jars should be moved either slowly for ...
WhatsApp: +86 18203695377WEBToday, the largest ball mill in operation is m diameter and m long with a corresponding motor power of 22 ... Planetary ball mills. A planetary ball mill consists of at least one grinding jar, which is arranged eccentrically on a socalled sun wheel. The direction of movement of the sun wheel is opposite to that of the grinding jars ...
WhatsApp: +86 18203695377WEBThe efficiency of ball mill motor was also calculated from voltage and current data readings at a power factor of Ball Mill in Cement Finish Grinding Materials such as clinker and additives fed through the mill are crushed by impact and ground by attrition between the balls. The grinding media are usually made of cast iron.
WhatsApp: +86 18203695377WEBSynchronous motors are well suited to the ball mill, because the power draw is almost constant. Induction, squirrel cage, and slip ring motors are also used. A highspeed motor running 600 to 1,000 rpm requires a speed reducer between the motor and pinion shaft.
WhatsApp: +86 18203695377WEBFeb 14, 2018 · BallMill Base with Ventilated MotorCover Removed The BallMill Drive System Looking inside the mill's motor compartment, you can now see the motor, with a small fan and pulley on its shaft. That small pulley is connected by a drive belt to a large pulley which is mounted on the unit's drive roller. The other roller is the idler roller which ...
WhatsApp: +86 18203695377WEBJan 28, 2024 · 1. Cylindrical Shell: The ball mill consists of a hollow cylindrical shell that rotates about its axis. The shell is usually made of steel, stainless steel, or rubber. 2. Liners: An abrasionresistant material such as manganese steel or rubber typically lines the inner surface of the cylindrical shell to protect it from wear due to the grinding action.
WhatsApp: +86 18203695377WEBBall Mill Appliion and Design. Ball mills are used the size reducing or milling of hard materials such as minerals, glass, advanced ceramics, metal oxides, solar cell and semiconductor materials, nutraceuticals and pharmaceuticals materials down to 1 micron or less. The residence time in ball mills is long enough that all particles get ...
WhatsApp: +86 18203695377WEBDec 12, 2023 · The main way to improve the performance of ball mills is to optimize the operating modes of the electric drive and mill equipment, to ensure stable operation of the ball mill and electric motor at ...
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