SAG Mill Liners for Discharge Grate Special Features: The material of SAG mill liner castings are low C or high C Cr-Mo Alloy steel,which depends on the specific working condition of the SAG mill The hardness of AS2074 L2B is HB310-HB380 We can make big size SAG mill liner castings with Sodium Silicate Sand Process & Resin Sand Process
Get MoreThe SAG mill (AG mill) has both crushing and grinding two functions The grinding mode can be divided into dry type and wet type, also known as aerofall type SAG mill and dump type SAG mill The SAG mill (AG mill) needs less auxiliary equipment, is easy to realize production automation, and the product granularity is relatively stable
Get MoreJan 01, 2016· The SAG mill had a 6–8% ball charge and the power consumption was 8 kWh/t, which agreed well with the expected value 96 Problems 91 In an SAG mill the dimensions of the mill were 975 m × 35 m and the specific gravities of the mineral and that of the balls charged were 41 and 79, respectively
Get More20’ EGL SAG mill, a Raptor 900 pebble crusher and two 24’ x 39’6” ball mills Each mill is equipped with a 2 x 8500HP dual pinion drive system The plant was designed to process 1585 h mtpof SAG feed From startup, the mill struggled to meet the required production rat Over time, a major initiative that involved
Get MoreJan 11, 2021· SAG mill is an investment that can produce handsome returns if extra production is needed or simply to give the mine the option to mill the hardest ores at design throughput rat Typical tests required to define a hardness variability function, are given below in Figure 1
Get More1 x SAG Mill & Siemens Motor For Sale/Re-Assignment Mill Details Type of Mill SAG Mill Mill Dimensions 11,582 mm x 7,759 mm (38’ x 26’) (D x L) Default Mill Speed 75-80 RPM Mill Speed 756-1008 RPM Liners Excluded Mill Drive Motor Type Wrap Around (included) Mill Drive Motor Size 19,400 KW (26,016 hp) Variable Speed Drive Yes Max
Get MoreMar 17, 2019· Ni-hard Iron SAG Mill Liner (550BHN) The use of this type of material generally began with Rod Mills and Ball Mills, where impacts were considered low enough for this brittle yet highly abrasive resistant wear material to perform well However, it is now considered obsolete in light of the use of high chrome irons and chrome moly white iron
Get MoreComposite Liners for SAG Mill Mill Type: SAG Mill, AG Mill Material: Cr Mo Alloy Steel, High Manganese Steel Application: SAG Mill Liners for Discharge Grate Grade: AS2074 L2A/L2B/AS2074 L2C Microstructure: Pearlitical Hardness: ≥HRC50 Impact value: about 60J without nortch test bar Size Tolerance: as per CT13
Get Morestresses in large SAG mills helped to drive the development of greatly improved liner materials However, this cost engineering approach ignored the mill performance and overlooked the other key function of mill liners The second primary function of a liner is to transfer rotary motion of the mill to the grinding media and charge
Get MoreSAG Mill power draw models are used in mill design and grinding circuit modelling to predict how much power will be consumed by a particular mill geometry and operating configuration This paper will compare SAG mill models by Morrell, Loveday (using "Power Numbers" published by Barratt) and Austin against several published mill surveys
Get MoreIndustrial SAG mills Mill shell liner type Rib, Ship Head height Impact zone length Abstract The shell liner type, rotation speed, and ball filling percent are the key factors influencing the charge behavior inside the SAG mills, and consequently, their performance In this
Get MoreIt transforms the mill rotation into charge motion and both profile and spacing must be carefully selected to suit each specific mill When designing a shell lining, Outotec considers the type of grinding, mill size and speed, maintenance schedules, safety, impact levels, efficient use of materials, and many other parameters
Get MoreThe semi-autogenous mill is also called SAG mill which is an acronym for semi-autogenous grinding It is similar to an autogenous mill but uses grinding media like a ball mill grinder It takes material itself as the main grinding media and grinds through their mutual collision However, some raw materials with a diameter greater than 20mm and .
Get MoreSAG mill SAG is an acronym for semi-autogenous grinding SAG mills are autogenous mills that also use grinding balls like a ball mill A SAG mill is usually a primary or first stage grinder SAG mills use a ball charge of 8 to 21% The largest SAG mill is 42' (128m) in diameter, powered by a 28 MW (38,000 HP) motor
Get More>Engineering approaches have highlighted mill performance with mill modelling and the use of improved materials >Liner design ,with the advent of large diameter SAG mills, the issues of design, selection, monitoring and evaluation of mill performance is critical >Mill trajectory modelling can be used to great effect in improving liner design
Get MoreJan 11, 2018· A Sag mill is most often used in the mining fields, particularly in the mining of precious metals such as gold, copper, silver, and nickel The sag mill serves in the line of industrial mining equipment designed to process, crush, separate, or ,
Get MoreMar 17, 2019· 1 Solid Liners – These have an integral lifter and liner, as shown in following These have fewer pieces and are easier to install, but tend to have a high scrap weight as once the lifter section is worn down liner performance drops and necessitates change out Solid steel liners with integral lifter bars 2
Get MoreFigures 85 for the popular mill typ 3 c is the mill speed measured as a fraction of the critical speed More reliable models for the prediction of the power drawn by ball, semi-autogenous and fully autogenous mills have been developed by Morrell and by Austin (Morrell, S Power draw of wet tumbling mills and its
Get MoreAs a ball mills supplier with 22 years of experience in the grinding industry, we can provide customers with types of ball mill, vertical mill, rod mill and AG/SAG mill for grinding in a variety of industries and materials
Get MoreDifference Between Sag Mill vs Ball Mill - mech4study
Get Moresecondary mill power that permits the range of vari- ability samples to be processed according to whether a “SAG Mill limiting” condition, ie, harder ore, or a “Ball Mill limiting” condition, ie, softer ore exists For example, a ratio of 1:15 or up to 1:2 would indicate a trend away from processing harder ore types and
Get MoreSAG Mill Circuit Example — Gold Processing SAG mill circuit example for gold processing [image: (135-6-3)] AG/SAG Mill AG/SAG mills are normally used to grind run-off-mine ore or primary crusher product Wet grinding in an AG/SAG mill is accomplished in a slurry of 50 to 80 percent solids 2D and 3D simulations of particles in a SAG Mill
Get MoreIn addition to high impact SAG mill grinding, media is used in other types of milling such as the finer grind of ball mills, tower mills, vibration mills and regrind mills Many variables influence the size reduction performance in a mill, including the media size, shape & quality, the properties of the incoming ore feed, the ratio of feed to .
Get MoreThis type of control promotes stability As an example, for completely controlling a grinding mill circuit the operation of a SAG mill is considered here as these mills seem to be slowly displacing the normal ball mill operations The SAG mill characteristics have already been mentioned earlier in Chapter 9 The main variables are:
Get MoreControl of -SemiAutogenous Grinding(SAG) mill weight is an example of an important process that exhibits many of these aspects Maintaining the SAG mill weight at the optimum value is critical for achieving maximum grind rate efficiency and mill production (Powell, MS, van der Westhuizen, AP, & Mainza, AN 2009)
Get MoreNov 26, 2019· Grinding mill machine is an essential part of many industrial processes, there are mainly five types of mills to cover more than 90% materials size-reduction applications Do you the difference between the ball mill, rod ,
Get MoreMar 20, 2020· Types of mill: Ball mill: Rod mill: SAG mill: Types of material : Almost all materials: 1Rough grinding 2Brittle materials, such as tungsten, tin ore before gravity concentration: Dry SAG mill: asbestos mine, silicon carbide, etc Wet SAG mill: minerals with mud (can omit ore washing) Feeding size: ≤25mm: ≤50mm: 300-400mm: Capacity : 062 .
Get MoreMinding the Grind: Maintenance Options to Keep SAG Mills Turning Purpose-built structures such as the Skyway system from Russell Mineral Equipment can provide a stable, safe and efficient platform for mill liner bolt removal when compared with the common approach of hanging jackhammers and impact wrenches from a chain hoist
Get MoreThe SAG Mill is a machine added by Ender IOIt uses Micro Infinity (µI) to grind (or mill) items into their crushed variants, like Ores into DustsThe SAG Mill has four output slots; recipes can have 1-4 different outputs, with different chances of obtaining those outputs Uniquely, the SAG Mill can use Grinding Balls made from various materials to increase energy efficiency ,
Get MoreSAG/ball mill circuit incorporating pebble crushers and a POLYCOM® high-pressure grinding roll SAG and ball mill for gold ore grinding One of three SAG mills with 975 m diameter and 2 x 4000 kW drive power These mills operate in conjunction with ball mills for ,
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