Bond S Rod Mill For Work Index

Rapid determination of bond rodmill work index by to calculate the bond work index w i in a standard laboratory scale rodmill bond derived the following equation 1 w i 62 p i 023 g i 0625 10 p10 f kw h sh t where f is 80 passing size of original feed p is 80 passing size of circuit product and p i is the testsieve size in m

Bond ball mill work index bwi kwht 134 bond rod mill work index rwi kwht 181 table 1 example of agsag ball mill circuit wio calculations 1 2 abstract optimum use of power in grinding both in terms of grinding efficiency and use of installed capital can have a large effect on profitability

Bond test wis kwht rod mill ball mill 95 kwht8 9 kwht bond standard circuit work index assume the rod mill work index of 95 applies from the actual rod mill feed sizeof 19300 m although some of this work might ideally be done by crushers to achieve a rod mill f80 of 16000 m to a rod

Testwork bond rod mill work index bond rod mill index test measuring ore grindability in rod mills the bond rod mill work index is a measure of the resistance of the material to grinding in a rod mill it can be used to determine the grinding power required for a given throughput of materi chat online

bond f c crushing tests by pressure and impact trans aime vol 169 1947 pp 5866 bond rod mill grindability test the test determines the bond rod mill work index which is used with bonds third theory of comminution to calculate net power requirements when sizing ball mills various correction factors may have to be applied

Rod mill power is dependent on mill capacity and work index mill power increases with increasing rod charge increasing mill speed increasing mill length rowland and kjos 1980 provided an expression to quantify power draw at the pinion shaft per unit mass of rods pm

Jan 02 2013 bond rod mill work index bond ball mill work index and bond abrasion index are carried out on sub samples cut from the main tumbling test sample more detailed sapor laboratory rod mill machinery equipment and tools

The bond work index is a measure of ore resistance to crushing and grinding and is determined using the bond grindability test for designing and selecting ballrod mills described by their

bond f c crushing tests by pressure and impact trans aime vol 169 1947 pp 5866 bond rod mill grindability test the test determines the bond rod mill work index which is used with bonds third theory of comminution to calculate net power requirements when sizing ball mills various correction factors may have to be applied

bond f c crushing tests by pressure and impact trans aime vol 169 1947 pp 5866 bond rod mill grindability test the test determines the bond rod mill work index which is used with bonds third theory of comminution to calculate net power requirements when sizing ball mills various correction factors may have to be applied

Insmart bonds ballmill work index is a measure of the resistance of the material to grinding in a ball mill this index is widely used in the industry for comparing the resistance of different materials to ball milling for estimating the energy required for grinding and for ball mill scaleup

Bond work index for rod mill product image introduction the bond work index for ball mill is a special equipment for testing bond ball mill work index simple lab test can choose ball mill by power method or judge the effects of material properties change to the ball milling process or the operation condition of crusher by using this

As such primary ball mills should be designed with the rod mill work index and singlestage ball mills should be with both the rod mill and ball mill indices this is because it is common to observe a difference sometimes significant between the rod mill and ball mill index values for a given ore type mcken verret amp williams 2006

For comparing the standard bond rodmill work index and the new modeled method work index wi and produced fine particles in a cycle gi for the four samples determined the performed paired students ttest results indicated that the standard deviation for gi and wi obtained by the shortened method are respectively 050 and 058 in

Basalt s compressive strength basalt s compressive strength basalt 26 2339 s compressive strength solutions basalt 26 2339 3 s compressive strength bond 26 2339 3bs rod mill for work index compressive strength of basalt fiber recycled concrete have carried on the experimental study and theoretical analysis what is the value basalt rock mining

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 indices figure 5 displays the plot of rod mill work index wi rm versus ucs these

Bond 26 2339 3bs rod mill for work index postcatcher bond 26 2339 3bs rod mill for work index bond rod work index mill 911 metallurgist bond rod index mill 12 x 24 consisting of a one 1 piece cast shell complete with integral wave 1 hp 360220

bond f c crushing tests by pressure and impact trans aime vol 169 1947 pp 5866 bond rod mill grindability test the test determines the bond rod mill work index which is used with bonds third theory of comminution to calculate net power requirements when sizing ball mills various correction factors may have to be applied

The bond work index is a measure of ore resistance to crushing and grinding and is determined using the bond grindability test for designing and selecting ballrod mills described by their

bond f c crushing tests by pressure and impact trans aime vol 169 1947 pp 5866 bond rod mill grindability test the test determines the bond rod mill work index which is used with bonds third theory of comminution to calculate net power requirements when sizing ball mills various correction factors may have to be applied

The crushed feed sample is subject to a grinding by a standard ball mill the bbwi is calculated after achieving a consistent ipp of 28 bond rod work index brwi

Rod mills are very similar to ball mills except they use long rods for grinding media the rods grind the ore by tumbling within the the mill similar to the grinding balls in a ball mill to prevent the conditions leading to rod charge tangling the length to diameter ratio is maintained at 14 to 16