ball mill drive design

Ball Mill SPEED REDUCER DRIVE This is essentially a direct connected drive permitting the use of higher speed motors The motor shaft is connected to the high speed shaft of a reducer by a flexible coupling and similarly the low speed shaft and pinion shaft are coupled

The Compeb mill is a type of ball mill designed to incorporate the Preliminator and Ballpeb mills in one relatively long shell The initial or primary grinding compartment is lined with thick liners and carries large balls to accomplish the coarse grind

Jan 14 2019 · Over 10 years the magnetic metal liner has been used in more than 300 fullscale ball mills at over 100 mine sites in China For example one set of the magnetic metal liner was installed in a 32m D x 45 m L secondary ball mill 60mm ball charge at Waitoushan concentrator of Benxi Iron and Steel Corp in 1992

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 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

These mills are of a special design and described on special request by all Ball Mill Manufacturers Types of Grinding Mill Manufactured The different types of grinding mills are based on the different types of tumbling media that can be used steel rods rod mills steel balls ball mills and rock material autogenous mills pebble mills

mini ball mill a ball mill base is design and fabricate to withstand the weight of the rotating ja r motor and gears After a few hou rs stop the mini ball mill and the powder can b e filtered

The Product size is adjustable in the range of 80425 mesh cement ball mill price is possible to produce 3080 mesh coarse powder through special device in the machine if necessary Cement ball mill is mainly consisting of feeding device big gear discharge device cylinder diaphragm plate hollow shaft liner drive device and other components

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

Ball mills are simple in design consisting of horizontal slow rotating vessels half filled with grinding media of ¼” to 15” The particles to be milled are trapped between the grinding media or balls and are reduced in size by the actions of impact and attrition

Ball Mill Design Manufacturing Our combined experience in ball mill design and process equipment development totals more than 60 years and allows us to put a unique spin on steel and lined mills Particle size reduction of materials in a ball mill with the presence of metallic balls or other media dates back to the late 1800’s View details

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

also mills of a classic design seated on trunnion bearings Mills are driven by a circumferential drive with a gearbox DMG 2 with two integrated pinions via a girth gear or with a gearbox countershaft and one pinion for mills with a smaller diameter An auxiliary drive is used for turning of the mill drum during maintenance Mill shell Mill

This project is to design and fabricate the mini ball mill that can grind the solid state of various type of materials into nanopowder The cylindrical jar is used as a mill that would rotate the

TITAN BALL MILLS Based on the MPT TITAN design the Mills are girth gear dual pinion driven with selfaligned flanged motors running on hydrodynamic oil lubricated bearings The TITAN design enables you to run full process load 40 Ball charge at 80 critical speed – Max grinding power for every shell size Standard Mill Types Available

Selecting Inching Drives for Mill and Kiln Applications Glen Cahala Frank C Uherek Principal Engineer Gear Engineering Software Development Abstract The inching drive also known as a barring or auxiliary drive is an important component of any mill or kiln installation It is used for maintenance and inspection purposes as

Ring gear drives huge grinding mill Following the SAG mill will be two 9000hp ball mills each one 20ft in diam and 3312ft long that do the finish grinding 7500hp geardriven

Figure 5 High–low wave ball mill liner Materials The selection of the material of construction is a function of the application abrasivity of ore size of mill corrosion environment size of balls mill speed etc liner design and material of construction are integral and cannot be chosen in isolation

Ball mills designed for long life and minimum maintenance Metso overflow ball mill sizes range from 5 ft x 8 ft with 75 HP to 30’ x 41’ and as much as 30000 HP Larger ball mills are available with dual pinion or ring motor drives Our mills incorporate many of the qualities which have made the Marcy name famous since 1913

UNIVERSAL DRIVE BALL MILLS UDCM type mills are designed to achieve maximum grinding efficiency low energy consumption compact plant layout and compact mill drive design All mill types may operate in either open or closed circuit UDCM with its special design enables alternative drive systems by double pinion direct gearbox with girthgear

Stirring Ball Mill Stir Casting MachineElectric Mixing Machine 2L12L powder milling planetary ball mill machine 04L Ultrafine Grinding Vertical Planetary Ball Mill Grinder

PATTERSON Mills are equipped with motor ring gear and pinion drive magnetic brake and inching device Type DJ Jacketed Mills provide controlled temperatures ranging from below 0º to 500ºF by the circulation of brine or other refrigerants for low temperatures or hot water steam or thermal fluid hot oil for high temperatures

Ball mills are simple in design consisting of horizontal slow rotating vessels half filled with grinding media of ¼” to 15” The particles to be milled are trapped between the grinding media or balls and are reduced in size by the actions of impact and attrition

Wiki says A ball mill is a type of grinder used to grind materials into extremely fine powder for use in paints pyrotechnics and ceramics Many instructables refer to United Nuclear Ball Mills Their small ball mill cost between 70 and 80 dollars For no more than 30 and in 5 minute you can build a ball mill of appreciable performance

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

Mar 29 2019 · To make a ball mill start by building a wooden platform and attaching a motor underneath it Then cut a slit into the wooden platform for the belt to pass through and attach casters to the platform for the container to sit on Next thread the belt through the slit and position the container so the belt is pulled tight

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

Design Method of Ball Mill by Discrete Element Method collected The diameter of the gibbsite powder was measured using a Master Sizer 2000 Sysmex Corporation Details of the experimental conditions are given in Table 2 Results and Discussion 1 Effects of Fins on Ball Motion in the Mill To predict ball mill grinding behavior using the dis

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

Nov 18 2008 · Summary The Ball Mill is designed to grind materials by turning the cylindrical shell with grinding medium eg steel balls put in the shell and has a simple structure and ease of handling Furthermore The Ball Mill of a large capacity has been available to a very extensive range of applications in both dry and wet 14 References 1

TITAN BALL MILLS Based on the MPT TITAN design the Mills are girth gear dual pinion driven with selfaligned flanged motors running on hydrodynamic oil lubricated bearings The TITAN design enables you to run full process load 40 Ball charge at 80 critical speed – Max grinding power for every shell size Standard Mill Types Available

Ball mills designed for long life and minimum maintenance Metso overflow ball mill sizes range from 5 ft x 8 ft with 75 HP to 30’ x 41’ and as much as 30000 HP Larger ball mills are available with dual pinion or ring motor drives Our mills incorporate many of the qualities which have made the Marcy name famous since 1913

PATTERSON Mills are equipped with motor ring gear and pinion drive magnetic brake and inching device Type DJ Jacketed Mills provide controlled temperatures ranging from below 0º to 500ºF by the circulation of brine or other refrigerants for low temperatures or hot water steam or thermal fluid hot oil for high temperatures

Ball Mill We bring forth a highly advanced Ball Mill specifically engineered for both wet as well as dry cement grinding applications Classified depending on the circuit design bearing grinding type and drive the selection is made on the basis of the product fineness quality and nature of raw material site conditions and specific requirements

singlestage SAG mills to the largest mill in the world – with a 40foot diameter and 28 MW of motor power Ball mills Ball milling is the most common application for horizontal tumbling mills Outotec offers a full range of ball mills to suit a wide variety of duties from a few hundred kW all the way up to 20 MW and beyond Rod mills

ball mill design pdf Ball Mill are generally used to grind material 14 inch and finer down to the particle size of 20 to 75 microns To achieve a reasonable efficiency with ball mills they must be operated in a closed system with oversize material continuously being recirculated back into the mill to be reduced