Dec 10, 2016· In general, Bond's work index is used to determine the grinding efficiency and also to calculate the power requirement The process is very time consuming and it requires skilled labor and specialized mill A systematic investigation was carried out to predict Bond's work index using simple field measurable properties of rocks...

Comparison of Ore Hardness Measurements for Grinding Mill Design for the Tenke Project John Starkey1, Principal Consulting Engineer , and Bond Work Index on SAG ground ore To data 63 SAGDesign tests have been done and this allowed the Tenke , UCS, psi (average of 3 subsamples) ATT 7260 4343 890 860 1913 1970 2873 ....

Secondary crushers, operating work index The Bond (impact) crushing work index is given as 277 based on a laboratory determination Use the circuit survey data to compare the operating work index to this laboratory determination The reported power draws of these MP 1000 crushers were 460+554+583+581 for a total of 2178 kW at the DCS...

ucs versus bond work index Performance Benchmarks - Cisco Cisco UCS M5: Making Something Great Even Better See how our groundbreaking, fabric-centric architecture is ,...

First, let's take a look at what these two acronyms mean: the PPI is the producer price index and the CPI is the consumer price indexBoth indexes calculate the change in price of a set of goods ....

Rarely is there a relationship between the Bond ball mill work index and the Bond crushing (impact) work index Two reasons for this are: The size range over which the two tests are valid (the ball mill test feed is about 2 mm, Comparison of UCS versus Bond Work Indices SAGMILLINGCOM Ken Wood, Fluor Mining & Minerals, Vancouver, Canada Abstract...

work index of biomass crusher more work index home stone crusher work bond index for ballcoal crushers,roll crushers,biomass crushers work bond index for ball mill crusher usa 2014 3 25 about work bond index for ball mill related information the effect of circulating load and test sieve size on the bond grindability, on the Free Quote...

bond ball mill work index testwork providers - chinagrindingmill bond ball mill work index testwork providers (11 Jun 2012) Gulin supply Mining and construction equipment for mineral handling The crushing, screening, washing ....

Bond Work Index - Determination of the Bond Work Index View Lab Report - Bond Work Index from DMME 12 at University of the Philippines Diliman Determination of the Bond Work Index of Ores AJCTaguiam Department of Mining, Metallurgical and Materials Obtenir le prix et le support...

PDF | On Jan 1, 2007, MAkram and others published Correlation between Uniaxial Compressive Strength and Point Load Index for Salt-Range Rocks...

The Effect of Grain Size on Ball Mill Work Index The Bond ball mill work index is the most commonly used comminution testwork procedure in the Millpower 2000 database, with more than double the number of results of the second most common (the combined drop-weight test methods)...

Rarely is there a relationship between the Bond ball mill work index and the Bond crushing (impact) work index Two reasons for this are: The size range over which the two tests are valid (the ball mill test feed is about 2 mm, Comparison of UCS versus Bond Work Indices SAGMILLINGCOM Ken Wood, Fluor Mining & Minerals, Vancouver, Canada Abstract...

DWT (JK drop weight test parameters); UCS (unconfined compressive strength, Mpa) and BWI (bond work indices) Tables I and II show data generated for 96 samples tested (JK DWT and BWI), for selected sections/rock pieces from bore cores or mill feed sampl The UCS ,...

The Bond ball mill work index is one of the most commonly used grindability tests in mining, and is often referred to as the Bond work index The test is a 'locked-cycle' test where ground product is removed from test cycles and replaced by fresh feed...

Comparison of UCS to Bond Work Indices - SAGMILLINGCOM , lizenithne and bauxite have , The Bond work index and grindability index can therefore be estimated from the , of the Bond work index using an ordinary laboratory batch ball mill Get Price , Work Index Versus Product Fineness Cumulative Percent , Ball Mill sizing is based ....

ball mill vs rod mill Ball Mills vs Rod Mills - - AM King , Comparison of UCS versus Bond Work Indices - SAGMILLINGCOM This paper examines potential relationships between UCS and Bond Work Index values (crushing, rod mill and ball mill) Data from 11 mines located around the....

Comparison of UCS versus Bond Work Indices - SAGMILLINGCOM Unconfined Compressive Strength (UCS) is a commonly used rockmass strength (WiC) for coarse rocks (75-50 mm), a rod mill work index (WiRM) for plotted UCS versus the total comminution energy required to ,...

Comparison of UCS to Bond Work Indices - SAGMILLINGCOM , lizenithne and bauxite have , The Bond work index and grindability index can therefore be estimated from the , of the Bond work index using an ordinary laboratory batch ball mill Get Price , Work Index Versus Product Fineness Cumulative Percent , Ball Mill sizing is based ....

Comparison of UCS to Bond Work Indic Comparison of UCS to Bond Work Indices Alex Doll, Alex G Doll Consulting Siddall et al (1996) identified the ratio of Bond rod mill Work Index and ball mill Work Index as being indicative of an ore's compentency Figure 8 plots this ratio versus UCS,...

The Bond work index W i is used as a measure of grindability of an ore (Deniz, 2003; Wills and Napier-Munn, 2006) The work index expresses the resistance of the material to Get Price And Support Online; bond s work index ball mill - resto-osakabe Bond Work Index Procedure and Method 911 Metallurgist...

Correlation Between Point Load Index and Uniaxial Compressive Strength for Different Rock Types , derived two different curves for UCS versus SHR , Regression analysis of the UCS and the index ....

bond low energy impact crushing work index igasbethe bond low energy 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 contact supplier working index for crushing rocks iran ...

First, let's take a look at what these two acronyms mean: the PPI is the producer price index and the CPI is the consumer price indexBoth indexes calculate the change in price of a set of goods ....

The Bond crushing work index test (sometimes called the "impact work index" test) is noisy, and the difference you observed is perfectly reasonable The paper by Angove & Dunne (1997) reports a standard deviation in crushing work index tests across laboratories as 45...

Comparison of UCS to Bond Work Indic FIGURE 5: BOND ROD MILL WORK INDEX v UNCONFINED COMPRESSIVE STRENGTH 0 100 200 300 400 UCS (MPa) 5 10 15 20 25 30 35 WiRM (metric) The lack of fit observed relating the crushing Work Index was expected to carry over to the other Bond Work Indic...

Correlation Between Point Load Index and Uniaxial Compressive Strength for Different Rock Types , derived two different curves for UCS versus SHR , Regression analysis of the UCS and the index ....

and the Bond Work Index (BW i) The Drop Weight and Bond Work Index parameters are required to model the crushing and grinding circuits Therefore, the use of the Point Load Index allows sites to characterise their rock properties quickly and easily while still making use of the sophisticated grinding models that are available...

ball mill vs rod mill Ball Mills vs Rod Mills - - AM King , Comparison of UCS versus Bond Work Indices - SAGMILLINGCOM This paper examines potential relationships between UCS and Bond Work Index values (crushing, rod mill and ball mill) Data from 11 mines located around the....

related to the point load index with 50 mm cores Is50 as follows Beside the diametral test, the axial test and the irregular lump test have also been proposed (see Figures 2b and 2c) Strength anisotropy can also be assessed by using the point load index as suggested by Broch (1983) who proposed an anisotropy index Ia equal to 23 Uniaxial Tension...

PDF | On Jan 1, 2007, MAkram and others published Correlation between Uniaxial Compressive Strength and Point Load Index for Salt-Range Rocks...