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Online ServiceRods in place weigh approximately 400 pounds per cu ft and balls in place approximately 300 pounds per cu ft Thus quantitatively less material can progress through the voids in the rod mill grinding media than in the ball mill and the path of the material is more confined
Chat OnlineCommon types of grinding mills include Ball Mills and Rod Mills This includes all rotating mills with heavy grinding media loads This article focuses on ball and rod mills excluding SAG and AG mills Although their concepts are very similar they are not discussed here Photographs of a glass ended laboratory ball mill show action of ball mass within the mill
In the rough grinding the product particle size of 13mm the processing capacity of the rod mill is greater than the same specificationof ball mill when used for fine grinding the product granularity is less than 05mm the grinding effect of the ball mill is greater than the same specification of the rod mill
Ball mills and rod mills are grinding equipment widely used in concentrators The two have similarities in shape and grinding principles but there are differences in structure performance and use This article analyzes their similarities and differences from seven aspects and tells you how to choose ball mill and rod mill
Rod mills are very similar to ball mills except they use long rods for grinding media The rods grind the ore by tumbling within the the mill similar to the grinding balls in a ball mill To prevent the conditions leading to rod charge tangling the length to diameter ratio is maintained at 14 to 16
Buy used Ballmills from AM King Industries We can help guide you to the best solution for your equipment needs Used Mining Processing Equipment Grinding Mills Crushers Process Plants
We sell all types of Grinding Mills Rod Mills Pebble Mills SAG Mills Ball Mills if you are looking for partial or complete replacement for all the ball mill parts Contact us right now
Grinding Mill Gears Gears for BallRod Mills drives are furnished as standard on the discharge end of the mill where they are out of the way of the classifier return scoop feeder or original feed Due to convertible type construction the mills can be furnished with gears on the feed end
Rod mills are less common than ball mills for grinding minerals The rods used in the mill usually a highcarbon steel can vary in both the length and the diameter However the smaller the rods the larger is the total surface area and hence the greater the grinding efficiency
The following cost advantages should be considered when evaluating rod mill grinding Rod Mills use low cost grinding media Less power is required since grinding rods are not cascaded and operate at lower peripheral speeds Higher grinding efficiency is obtained since there is less void space in a rod charge compared to any other grinding media
Open Circuit Rod MillClosed Circuit Ball Mill This configuration has proven in the past to be a most reliable system due to the fact that rod mills are not particularly susceptible to variations in feed size However the necessity to procure grinding rods may limit the
We offer autogenous AG semiautogenous SAG ball rod and pebble mills in sizes ranging from kWs up to 30 MW Our product range also includes a number of unique solutions including the world’s largest acidresistant grinding mills which can operate with extremely corrosive slurry
Oct 12 2017 · SAG mill make use of steel balls included with some large and hard rocks for grinding These mills utilize the balls in making the large fragments of materials broken into pieces The ball charge of a SAG mill is about 9 to 20This process takes place inside the large rotating drum of SAG mill which is filled with balls partially
Used as the primary comminution unit in a grinding circuit Rods are placed parallel along the length of the rod mill Rods are 150mm shorter than the mill length Breakage occurs more from cascading than cateracting The product size distribution is narrower than a ball mill but significantly coarser Most are overflow discharge type
Ball Mill Westpros Ball Mills ensure fine grinding of minerals and ore Our Ball Mills are engineered to provide the most efficient solution for fine finishing Advantages Liners are less expensive than Rod Mill steel liners Ideal for fine grinding applications Easy grinding media handling
We offer autogenous AG semiautogenous SAG ball rod and pebble mills in sizes ranging from kWs up to 30 MW Our product range also includes a number of unique solutions including the world’s largest acidresistant grinding mills which can operate with extremely corrosive slurry
A rotating drum causes friction and attrition between steel rods and ore particles The rods used in the mill usually a highcarbon steel can vary in both the length and the diameter However the smaller the rods the larger is the total surface area and hence the greater the grinding efficiency
Our Rod Mills are available in multiple diameters to fit the needs of your operation Grinding primarily by attrition Rod Mills require comparatively low levels of power to operate Rod Mills can be either wet or dry designs Once replaced by AG and SAG mills Rod Mills have had a
The mill product can either be finished size ready for processing or an intermediate size ready for final grinding in a rod mill ball mill or pebble mill AGSAG mills can accomplish the same size reduction work as two or three stages of crushing and screening a rod mill and some or all of the work of a ball mill
Ball mills are commonly used for crushing and grinding the materials into an extremely fine form The ball mill contains a hollow cylindrical shell that rotates about its axis This cylinder is filled with balls that are made of stainless steel or rubber to the material contained in it
A ball mill is a cylindrical device used in grinding or mixing materials like ores chemicals ceramic raw materials and paints Ball mills rotate around a horizontal axis partially filled with the material to be ground plus the grinding medium Different materials are used as media including ceramic balls and steel balls
Grinding mills spare parts Your mill is at the heart of your production process When a part fails you need to make the right decision to get your plant up and running Metso provides grinding mill parts for equipment previously sold under a variety of trade names and has OEM parts to fit seamlessly with your existing mill and process
Ball Mills Steel Ball Mills Lined Ball 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 The basic construction of a ball mill is a cylindrical container with journals at its axis
A ball mill a type of grinder is a cylindrical device used in grinding or mixing materials like ores chemicals ceramic raw materials and mills rotate around a horizontal axis partially filled with the material to be ground plus the grinding medium Different materials are used as media including ceramic balls flint pebbles and stainless steel balls
Rod Mills Introduction Rod mills are widely applied in cement industry chemical industry new building materials fireresistant materials fertilizer porcelain and glass industry etc Rod mill Grinding are grinding machine which employ high carbon steel or special steel rods of nearly the same length as that of the drum in place of steel balls in ball mills
Rod mills are less common than ball mills for grinding minerals The rods used in the mill usually a highcarbon steel can vary in both the length and the diameter However the smaller the rods the larger is the total surface area and hence the greater the grinding efficiency Our Rod Mills are for sale worldwide please contact us with
The TM 300 Drum Mill is used for the preparation of granules and powders The grinding process is performed either in dry or wet conditions The drum mill can be operated either as a Ball or as a Rod Mill by using the corresponding module A sufficient number of balls or rods is required for an effective grinding process
Figure 82 Media motion in the tumbling mill 81 Grinding 811 Grinding action Industrial grinding machines used in the mineral processing industries are mostly of the tumbling mill type These mills exist in a variety of types rod ball pebble autogenous and semiautogenous The grinding action is induced by relative motion between the