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Processing capacity:172-2024t/h
Feeding size:398-899mm
Appliable Materials: calcite,granite,concrete,dolomite,limestone,coal gangue,glass,cement clinker and all kinds of hard and soft ores with compressive strength not higher than 320 Mpa.
How to calculate crusher work index determination of crusher work index using a laboratory jaw crusher the bond crushing work index cwi describes the competency of the ore at larger particle sizes it is used for the calculation of the actual crusher power requirements pendulum mounted
How to calculatecrusher work index determination of crusher work index using a laboratory jaw crusher bond index formula for jaw crusher grinding canada used gold crusher 2011 the bond ball mill work index seated in an eccentric sleeve test that determine the click to chat now c6x series jaw crusher double wedge bond formula for the grinding balls bond work index formula bond ball mill work
Bond work index equation for jaw crusher bond crushing work index jaw crusher cone crusher the bond equation utilizing work index as the measure of grindability is an accurate learn more bond indices cost for crusher crusherasia coal crusher jaw crusher impact crusher xsm crusher price bauxite ore crusher international in using this bond work index equation learn more bond index formula for jaw
Moving surface of a crusher roll or jaw plate and the stationary plate surface at which point the material will be pinched angle varies with machine size and material lump size bond work index bwi kilowatt hour kwh per short ton required to reduce the material to 80 passing 100 microns breaker block breaker plate the steel anvil
Equations to estimate energy due to bond 1952 work index include friction in the crusher amp power material specific gravity work index w i bauxite 220 878 cement clinker 315 1345 cement raw material 267 1051 jaw crushers 2 gyratory crushers 3 smoothroll crushers
Grinding characterization of rocks for selection of crusher can be done in different ways and the most commonly used is bond work index tavares and carvalho 2007 holmes 1957 proposed a modification of bonds equation with the additional coefficient that depends on the properties of rock
The standard measure of energy demand is bond work index the work index w i represents the kilowatt hours per tonne required to reduce the material from theoretically infinite feed size to 80 percent passing 100m 4 2 design analysis and calculations 21 roll crusher geometry
Keywords bone crushing grinding hammers machine noise operation876 plate rod and vi low crushing efficiency below 47 j calculated 1c 3142 n2 1450 revmin and t as 148nm revmin the diameter of the pulley on the crusher shaft as given by allen and alfred 1998 i
Calculate the critical speed of the mill n c using equation 1 4 set the operating speed at 06 to 08 of n c 5 the bond work index is a measure of ore resistance to crushing and grinding and is determined using the bond grindability test a jaw crusher reduces large size rocks or ore by placing the rock into compression
Optional fit for all jaw crushers hardens quicker in abrasive applications 14 manganese this is an option and is ordered in on demand for use in soft low abrasion applications wear parts overview metallur gy options jaw amp cone liners 18 manganese plates weight loss to the mass of tested material the index standard fit on all jaw amp cone
Bond work index the bond work index is not solely a material constant but is influenced by the grinding conditions for example the finer the grind size desired the higher is the kwht required to grind to that size magdalinovic 38 measured the bond work index of
How to calculate crusher work index determination of crusher work index using a laboratory jaw crusher the bond crushing work index cwi describes the competency of the ore at larger particle sizes it is used for the calculation of the actual crusher get price bond work index formula
Chapter 3 particle technology size reduction kicks law the work required for crushing a given mass of material is constant for the same reduction ratio 322 bond crushing law and work index
Jul 19 2019 bond work index equation for jaw crusher bond work index equation for jaw crusher bonds work index of enyigba nigeria ore was found to be 1437kwhshort ton there are many theories of comminution but paramount importance to this work is the modified bonds equation called laboratory jaw crusher get price abrasion
For the bond work index approximate value determination which is based on the first order grinding the bond work index is calculated using the formula andesite and limestone samples were prepared by crushing in a laboratory jaw crusher and roll crusher in a closed cycle with screening to size 100 3327 mm
How to calculate crusher work index determination of crusher work index using a laboratory jaw crusher the bond crushing work index cwi describes the competency of the ore at larger particle sizes it is used for the calculation of the actual crusher power requirements pendulum mounted
Dec 08 2020 the test determines the bond impact work index which is used with bonds third theory of comminution to calculate net power requirements when sizing crushers it is also used to determine the required openside settings jaw crushers and gyratory crushers or closedside settings cone crushers for a given product size
Bond index formula for jaw crusher grinding bond grinding work index of indian iron ore bond inde mill for grinding china mines crusher for iron ore crushing work index service chat on line iron ore crushing work index 511 a gyratory crusher received iron ore from the mines at 15 m top sie and mih hpgr ore work index can be a grinding mill 305 mm 305 mm was used for the bond ball mill work
In the 50s bond came up with an empirical relation covering the range between rit tinger and kicks law correlating the mass specific comminution work wmk work index metcom expertise it is a standard measure that brings all size reduction circuits onto a common basis for comparison it starts with bonds work index equation w1 w is the
Laarmann321 1500 x 675 x 1200 mm 300 kgs only machine 230v50hz60hz variable 080 rpm 075kw bond crushing work index cwi the bond crushing work index cwi describes the competency of the ore at larger particle sizes
The test determines the bond impact work index which is used with bonds third theory of comminution to calculate net power requirements when sizing crushers it is also used to determine the required openside settings jaw crushers and gyratory crushers or closedside settings cone crushers for a given product size p80 25400 x oss x
coarse ore work index and is provided directly by smc test for fine particle grinding equation 1 is written as f x f x 3 2 b ib 4 3 w m x x 2 5 where x 2 750 microns x 3 p 80 of final grind in microns m ib provided by data from the standard bond ball work index test using the following equation morrell 2006 m 80
Jaw crusher wear parts 3 cone crusher wear parts 4 impactor crusher wear parts bond work index kwht los angeles value ucs mpa very easy 50 0 7 27 0 90 medium 40 50 7 10 22 27 90 150 difficult 20 30 14 18 12 17 220 300 very difficult 10 20 18 5
Keywords bone crushing grinding hammers machine noise operation876 plate rod and vi low crushing efficiency below 47 j calculated 1c 3142 n2 1450 revmin and t as 148nm revmin the diameter of the pulley on the crusher shaft as given by allen and alfred 1998 i
Mar 11 2013 jaw crusher disadvantages crusher unit manganese crusher updated for these mechanical devices after the safe and reliable operation and wide the mobile crusher unit can be operating principle of a coal crusher which uses jaws
Bond low energy impact test the bond lowenergy impact test can be used to determine the crusher work index cwi also known as the impact work index the test determines the impact energy at which a specimen fails and allows approximation of net power requirements for sizing crushers
The bond index there is considerable difference between bond crushing energy and work done by the jaw crusher for rocks it appears that the bond approach is not a suitable method for predicting single particle fracture energy done by the crusher to verify the results obtained from dem models the fracture behaviour
Chapter 3 particle technology size reduction kicks law the work required for crushing a given mass of material is constant for the same reduction ratio 322 bond crushing law and work index
May 24 2019 the test determines the bond impact work index which is used with bonds third theory of comminution to calculate net power requirements when sizing crushers it is also used to determine the required openside settings jaw crushers and gyratory crushers or closedside settings cone crushers for a given product sizep80 25400 x oss x 004wi 040
For the bond work index approximate value determination which is based on the first order grinding the bond work index is calculated using the formula andesite and limestone samples were prepared by crushing in a laboratory jaw crusher and roll crusher in a closed cycle with screening to size 100 3327 mm
Magdalinovic 38 measured the bond work index of three ore types using different test screen sizes he produced a correlation between the mass of test screen undersize per revolution g and the square root of the test screen size d 344 g k 1 d the constant k1 is dependent on the ore type
Sep 01 2014 the final form of bonds equation can be written as 2 e 10 c w i 1 p 80 1 f 80 kwh ton where c a tabulated constant depending on type and condition wet or dry of comminution equipment f 80 80 passing sieve size of the feed m p 80 80 passing sieve size of the product m w i bond work index the work required to
The bond work index is a measure of ore resistance to crushing and grinding and is determined using the bond grindability test its value constitutes ore characteristic and is used for industrial
coarse ore work index and is provided directly by smc test for fine particle grinding equation 1 is written as f x f x 3 2 b ib 4 3 w m x x 2 5 where x 2 750 microns x 3 p 80 of final grind in microns m ib provided by data from the standard bond ball work index test using the following equation morrell 2006 m 80
Jaw crusher wear parts 3 cone crusher wear parts 4 impactor crusher wear parts bond work index kwht los angeles value ucs mpa very easy 50 0 7 27 0 90 medium 40 50 7 10 22 27 90 150 difficult 20 30 14 18 12 17 220 300 very difficult 10 20 18 5
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