ball mill drive

ABB’s GMD is the most powerful mill drive system in the market to power semiautogenous SAG ball and autogenous AG mills This ’workhorse’ for grinding operations combines a robust servicefriendly and fit for purpose design to provide highest throughput reliability

The basic construction of a ball mill is a cylindrical container with journals at its axis The cylinder is filled with grinding media ceramic or metallic balls or rods the product to be ground is added and the cylinder is put into rotation via an external drive causing the media to roll slide and cascade

The mill used for this comparison is a 44meter diameter by 136 meter long ball mill with a 5000 HP drive motor It is designed for approximately 90 per hour This type twocompartment mill is a state oftheart shell supported cement finish mill The torque and time requirements of the mill with the ball

With the variable frequency drive the ball mill will be able to achieve automatic control The manual line frequency and fault auto switch functions are available Recovery voltage caused by large inertia is also overcome and the normal operation of the equipment is guaranteed To find more industrial automation solutions please contact us

Based on ABB’s 800xA platform the RMDcockpit is a specific mill application tool comprised of a touch screen panel allowing full access to the main parameters of the drive system as well as to the mill application features such as automatic positioning and creeping modes

Jan 14 2019 · Ball mill liners may be made of hard cast iron when balls of up to 5 cm in diameter are used but otherwise cast manganese steel cast chromium steel or Nihard are used Ball Mill liners are a major cost in mill operation and efforts to prolong liner life are constantly being made

Innovative mill drive for twice the power transmission Metso Qdx4 TM mill drive provides the next step in the evolution of change in mill drive architecture while allowing the system to be built with components that are within current manufacturing capabilities We are essentially providing up to twice the power transmission of a conventional

Ball mill is mainly used for grinding in mining metallic minerals and nonmetallic minerals cement refractories chemical power plant aluminum building material glass ceramic steel slag and fly ash follows more crushing and less grinding principle to save energy The feed size to ball mill shall be smaller than 25mm the output size can be adjusted by revising steel balls ratio

HENAN ZHENGZHOU MINING MACHINERY COLTD China Mining Machinery Production Base HENAN ZHENGZHOU MINING MACHINERY COLTD is leading mining equipments manufacturing in the world who has provided innovative technology and products for mine and energy of over 100 countries and district

Ball Mill Drives These large coal crushing drive systems are usually rotated by motordriven gearing A typical application consists of a motordriven primary singlestage reducer that through a flexible coupling drives a large open pinion which in turn meshes with a large ball mill ring girth gear that is attached directly to the ball mill

Ball Mill Drives We can provide all elements of a mill drive system as a fully optimised solution to suit your process exactly or individual mill drive gearboxes girth gears pinions and couplings as required

Horizontal Ball MIll Drives We can provide all elements of a mill drive system as a fully optimised solution to suit your process exactly or individual components as required

The mill used for this comparison is a 44meter diameter by 136 meter long ball mill with a 5000 HP drive motor It is designed for approximately 90 per hour This type twocompartment mill is a state oftheart shell supported cement finish mill The torque and time requirements of the mill with the ball

Ball Mill Drive Related Products Helical gearbox Read more Twin Input Twin Output Gearbox For Rolling Mill Read more Travel Gearbox Read more Pinion Stand Read more Bucket wheel drive Read more Mill Drive Read more Geared Motor Read more Boom conveyor drive Read more Gearbox For Turbine Application

The time has come to rethink the approach to mill drive motors because of the growth in size of newer ball mills the starting torque restrictions of some of the newer mill drive configurations

Ball Mill Operation Ball mills ride on steel tires or supported on both ends by trunnions Girth gears bolted to the shell drive the mill through a pinion shaft from a prime mover drive The prime movers are usually synchronized motors During rotation a portion of the charge is lifted along the inside perimeter

The interplay between these forces produces the high and very effective degree of size reduction of the planetary ball mill Across International geardrive 4station planetary ball mills have builtin reverse and timing functions High energy ball mills grind down material to submicron level in minutes

A ball mill also known as pebble mill or tumbling mill is a milling machine that consists of a hallow cylinder containing balls mounted on a metallic frame such that it can be rotated along its longitudinal axis The balls which could be of different diameter occupy 30 50 of the mill volume and its size depends on the feed and mill size

Make a Ball Mill in 5 Minutes This is for all the pyro nuts that I came across on Instructables This can be used to grind chemicals to a very fine grain or to polish says A ball mill is a type of grinder used to grind materials into extremely fine powder for use i

Integral drive Ball Mill has two builtin self aligning pinions in direct mesh with girth gear located on to a Flange on the mill shell Mill is lubricated from an integrated oil lubrication system with circulation pump oil filter and cooler thus avoiding external girth gear lubrication cost less space requirement and minor advantage in power consumption

auxiliary drive is an important component of any mill or kiln installation It is used for maintenance and inspection purposes as well as an emergency auxiliary drive to keep kilns rotating when the main motor fails This paper covers what data the end user needs to

Flexible drive solutions for use in ball mills A 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

INCHING DRIVE SYSTEMS for Grinding Mills Designed and manufactured by Abacus Hydraulics Ltd The drive units are equipped with the exclusive TORFLEX gear type coupling which has been specifically designed and developed by Abacus Hydraulics Ltd Small size couplings are equipped with manual shifter mechanism