6 LM Tavares amp MACW da Silveira The Bond work index has also been used in conjunction with empirical relationships to estimate capacity factors of jaw cone and gyratory crushers
6 LM Tavares amp MACW da Silveira The Bond work index has also been used in conjunction with empirical relationships to estimate capacity factors of jaw cone and gyratory crushers
Get Pricebond work index equation for jaw crusher cj408 Bond Index Formula For Jaw Crusher Grinding The test determines the Bond Impact Work Index which is used with Bond s 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
Get PriceBond Work Index For Coal In Crusher The Test Determines The Bond Ball Mill Work Index Which Is Used With BondS Third Theory Of Comminution To Calculate Net Power Requirements Various Correction Factors May Have To Be Applied W Wi 10P 10F Where W Net Power Consumption In KwhT Wi Bond Work Index Bond Crusher Work
Get Pricecalculate hammer crusher impact force pdf ebm klussen bond impact crushing work index testing machine pendulum Its impact strength is the average footpounds of energy represented by the breaking fall divided by the thickness in inches The average impact strength is the average footpounds per inch required to break the ten or more
Get PriceCalculate to grinding table dia to roller dia Products As a leading global manufacturer of crushing grinding and mining equipments we offer advanced reasonable solutions for any sizereduction requirements including Calculate to grinding table dia to roller
Get PriceCalculate Volume of Square Slab Calculator Use Calculate volumes for concrete slabs walls footers columns steps curbs and gutters Enter dimensions in US units inches or feet or metric units centimeters or meters of your concrete structure to get the cubic yards value of the amount of concrete you will need to make this structure
Get Pricecrusher tools EG Jaw liners are subject to numerous pressure and impact stresses Several other factors affect the wear lifetime of crusher wear parts as listed in below Diagram Wear occurs in all crushers however wear costs can be controlled by selecting the correct crusher type for the abrasive content of the material to be crushed
Get PriceDec 01 2007 The Bond crushability index is given by the median of the distribution Bergstrom 1985 It is used to calculate crusher power consumption from Bonds law of comminution given by 3 W 10 Wi 1 P1 F where F and P are the 80 passing sizes in the feed and product of the crusher in m and W is the specific energy consumption in kWht
Get PriceFeb 25 2015 Bond Work Index 10 1 1 W Power required in KWH to crush 1 short tonne 2000 pound of material Wi is the work index of the material p is the 80 passing size of the product f is the 80 passing size of the feed 2252015 65805 AM 23 24
Get PriceFeed Characteristics work index Reduction Ratio Under given load and particle size requirement capacity is a function of mill length and diameter Q kLD 2N N is related to mill diameter which decreases with larger diameters k a constant equal to 4
Get PriceGrindability by Ames Ore grindabihty refers to the ease with which materials can be comminuted and data from grindability tests are used to evaluate crushing and grinding efficiencyProbably the most widely used parameter to measure ore grindability is the Bond work index W The work index Wi is calculated kWh per ton applied in reducing
Get PriceGyratory And Cone Crusher the theoretical work of rose and english to determine the capacity of jaw crushers is also applicable to gyratory crushers according to rose and english equation can be used to determine the capacity q of gyratory crushers 54 q w i d s l m a x l m i n l m a x l m i n k 2 r r 1 t h where w i
Get PriceHow Do I Calculate Blow Bar Wear Life In Impact Crushers Welcome to mobile crushing concepts cc mobile crushing concepts cc was established in 1998 as an alternate supplier of impact crushers spares and repairs in south africa the demand to rebuild impact crushers and subassemblies also increased and has become an important part of the impact
Get PriceJan 01 2016 capacity of crusher 2 power consumption if the work index of the material is 125 kWht 3 operating speed 4 minimum level at which the feed should be maintained in the feedhopper 45 Determine 1 the rate of the toggle movement that would meet the target production 2 if the toggle rate was reduced by 25 indicate the production rate
Get PriceJan 01 2016 Figure 64 is a typical setup where ores crushed in primary and secondary crushers are further reduced in size by a rough roll crusher in an open circuit followed by finer size reduction in a closed circuit by a roll crusher Such circuits are chosen as the feed size to standard roll crushers normally does not exceed 50 mm
Get PriceJaw Crusher Working Principle 911metallurgist Feb 22 2016 Heavy duty crushing applications of hard to break high Work Index rocks do prefer double toggle jaw crushers as they are heavier in fabrication A double toggle jaw crusher outweighs the single toggle by a factor of 2X and well as cost more in capital for the same duty To perform its trade off evaluation the engineering and design
Get Priceoccurs The work input assuming no change in work index is 194 kwhton For a mine crushing 50 million tons per year a reduction of 18 million kilowatthours or about 125000 per year is realized The second possibility is a decrease in Wi There is evidence that work index bears a
Get PriceThe 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 open and closed sized settings for given product sizes can also be determined
Get PriceThe bond work index for a meshofgrind of 200 mesh for a rock consisting mainly of quartz is 175 kWHton How much power in kW is needed to reduce the material in a wetgrinding ball mill from an 80 percent passing size of 1100 micrometer to an 80 percent passing size of 80 micrometer at a capacity of 10 ton per hour a
Get PriceTo calculate the operating work index the work input is obtained from the mill power which if obtained from the motor power has to be the power at the mill pinion shaft That is if adjustments were coupled directly to the pinion shaft then motor output power is the mill pinion shaft power Get Price
Get Pricework 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 It is necessary to estimate the maximum size of
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