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Processing capacity:403-2025t/h
Feeding size:453-603mm
Appliable Materials: river pebble,calcite,granite,concrete,dolomite,bluestone,coal gangue,construction rubbish,cobblestone,sandstone,rock,glass,Granite,basalt,quartz stone,iron ore,cobblestone,iron ore,iron ore,concrete etc.
MINING Heavy Industries Co., Ltd. China(Mainland)
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 hammers with scale test at least 10 specimens preferably 20 specimens to be tested
Read MoreI have a question about cwi calculationwe have an existing plant and i want to calculate the cwi based on bond formulation and compare it with lab tests resultsat the existing plant the data aref80 370mmp80 10mmspecific energy is 18 kwhtwhen we apply
Read MoreApr 18 2018 for any circuit whether a crushing circuit a rod mill or a closed ball mill circuit the work index always means the equivalent amount of energy to reduce one ton of the ore from a very large size to 100 um the sample was received crushed appropriately for the ball mill test
Read MoreCrushing mill work index is used in the sagmillingcom bondbarratt specific energy consumption model the work index is used to calculate the energy requirement to break rocks in the coarse size range from 100 mm down to about 10 mm 20 mm
Read MoreThe kilowatthours per tone kwht will work out your work index the number of kittowatts consumed in a hour divided by the tonnes of rock gives you your work index remember the higher the work index the more work required to crush the rock this will impact the equipment chosen for your project
Read MoreThe 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
Read MoreTable of bond work index by minerals post navigation previous next this table of ball mill bond work index of minerals is a summary as tested on around the world sample you can find the sg of each mineral samples on the other table source 1 source 2 source 3 source 3 source 4 source 5 source 6 source 6 kwht source 6
Read MoreThe bond lowenergy impact crushing work index more informally the bond crushing work index is not as common as the bond ball mill work index and it is a notoriously noisy test the test is a perspecimen test where individual specimens of prepared rock are handpicked by the test operator and placed into the apparatus
Read MoreThe bond lowenergy impact crushing work index more informally the bond crushing work index is not as common as the bond ball mill work index and it is a notoriously noisy test the test is a perspecimen test where individual specimens of prepared rock are handpicked by the test operator and placed into the apparatus
Read More10 mm the crushing work index swi is applicable for medium size particles from 100 mm to 2100 m rod milling work index rwi for finer particles ball milling work index bwi table these indexes are readily obtained using the specialpurpose laboratory equipment fig 1 finding the total specific energy consumption read more
Read MoreThe 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
Read MoreThe bond crushing work index is a measure of material strength and is determined using a simple twin pendulum apparatus and a standard procedure the bond impact test
Read MoreThe importance of work index in mineral processing the kilowatthours per tone kwht willworkout yourwork indexthe number of kittowatts consumed in a hour divided by the tonnes of rock gives you yourwork indexremember the higher thework indexthe moreworkrequired to crush the rock this will impact the equipment chosen for your project
Read MoreMcqs the work index in bonds law for crushing of solids has the following dimensions chemical engineering mcqs mechanical operations mcqs for chemical
Read MoreSo the work index of this circuit is the equivalent amount of energy w it would use to reduce this ore from a very large size to a p80 of 100 um for any circuit whether a crushing circuit a rod mill or a closed ball mill circuit the work index always means the equivalent amount of energy to reduce one ton of the ore from a very large
Read More3 270kw of power is required to crush 150 tonesh of a material if 80 of the feed passes through a 50 mm screen and 80 of the product passes through a 3 mm screen calculate the work index of the materialwhat will be the power required for the same feed at 150 tonnesh to be crushed to a product such that 80 is to pass through a 15 mm screen
Read MoreComparison of ore hardness measurements for grinding mill standard bond crushing and rod mill work indices abrasion indices and by dawson for bond ball mill work index tests using crushed feed and standard autogenous grinding design sagdesign tests patented by outokumpu
Read MoreOct 24 2018 the work index can either be measured in the laboratory the bond ball mill work index determination is a common example or it can be calculated from the operating performance of a
Read MoreJan 01 2016 bonds crushing work index of gypsum 34 a sample of granite passing a 75 cm square opening screen was suspended in a bonds pendulum test the length of the pendulum was 413 mm and the mass of hammers is 136 kg each the sample was completely crushed when the initial position of the pendulums made an angle of 30 with the vertical
Read MoreApr 07 2020 crushing work index and ucs published on april 7 2020 april 7 so this approach of segregating labs by type of apparatus wont work for the purposes of this article
Read MoreValues of bond crushing work index will vary from a 8 kwht for laterite hardcap through to 22 kwht for banded iron formation to 46 kwht for fresh greenstone fred chester bond wikipedia the free encyclopedia fred chester bond june 10 1899 january 23 1977 was an american mining engineer
Read MoreSo the work index of this circuit is the equivalent amount of energy w it would use to reduce this ore from a very large size to a p80 of 100 um for any circuit whether a crushing circuit a rod mill or a closed ball mill circuit the work index always means the equivalent amount of energy to reduce one ton of the ore from a very large
Read MoreOct 15 2015 where w is the work input kw ht w i is the bond work index kw ht which expresses the resistance of the material to crushing and grinding and f 80 and p 80 are the 80 passing size of the feed and product m respectively
Read MoreComparison of ore hardness measurements for grinding mill standard bond crushing and rod mill work indices abrasion indices and by dawson for bond ball mill work index tests using crushed feed and standard autogenous grinding design sagdesign tests patented by outokumpu
Read MoreCrushability or grindability also cal led work index and the wear profile c alled abrasion index 40 crushing of rock and minerals crushing is the largest process operation in
Read MoreEach rock specimen the height of the pendulum is raised until the energy is sufficient to break the specimen 7 the crusher work index cwi or impact work index is calculated as follows where j is the energy at which the specimen broke mm is the thickness of the rock specimen and sg is the specific gravity of the ore the jmm are more details
Read MoreBond crushing work index equipment crusher screen plate work index crushing 26 may 2013 bond ball mill work index test standard pdf grinding mill gulin least news construction waste crushing plant for sale in australia read more
Read MoreApr 29 2013 influence of crushing process variables on the product our crusher in many instances rock crushing has considered to be more art than science one reason for that is number of crushing zones and work stroke work index kwhshortton w
Read MoreMar 22 2021 exclusive research and expert insights reveal urgent trends for leaders as the next phase of work unfolds redmond wash march 22 2021 microsoft corp on monday announced findings from its firstannual work trend indextitled the next great disruption is hybrid work are we ready the report uncovers seven hybrid work trends every business leader must know as we enter a new
Read MoreExclusive research and expert insights into a year of work like no other reveal urgent lessons for leaders as hybrid work unfolds
Read More4 create your index you now have the tools you need to create your work priority index multiply the asset criticality by the work order priority the result is the work priority index work priority index asset criticality x work order priority for example say you have a pump with an asset criticality of 50
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