GMSG GUIDELINE: DETERMINING THE BOND EFFICIENCY OF …

Indices. (It is also the Bond ‘design’ Work Index for this circuit.) To avoid the introduction of any designinefficiency factors in the Bond reference standard circuit, assume 8 foot (2.44 m) diameter, overflow mills, and use a rod mill feed size (F80) of 16,000 m and

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MacPherson Autogenous Work Index (AWi) tests, the Bond Impact Wi test, the Bond Rod Mill Work Index (RM Wi) tests, and the Bond Ball Mill Work Index (BM Wi) tests. The SAG Power Index (SPI) tests were done at Minnovex Technologies Inc. in Toronto.

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Many people refer to “the” Bond work index when they really mean the Bond ball mill work index. There are two other Bond work index measurements commonly used: the rod mill work index and the crushing (low-energy im-pact) work index. Figure 3: Rod mill for

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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 ...

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· To calculate Bond rod-mill work indices, the four samples were screened and the particle size distributions plotted in Fig. 2.The plot was used to find F 80 of the samples for calculations.Fig. 3, Fig. 4 show the grinding kinetics of Pb, Cu, Fe, and Mn ores in the Bond rod-mill in different test-sieves. ...

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· The basic parameters used in ball mill design (power calculations), rod mill or any tumbling mill sizing are; material to be ground, characteristics, Bond Work Index, bulk density, specific ...

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Essa’s ball and rod mills can be supplied as complying machines with the appropriate barrels and ball or rod charges. As with our standard range of ball and rod mills, the Essa® Bond Index Ball Mill and Bond Index Rod Mill are supplied standard with a barrel and rotating yoke assembly and the electric motor drive mounted on a stand alone bench, funnel and screen.

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For comparing the standard Bond rod-mill 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 Student’s t-test results indicated that the Standard Deviation for Gi and Wi obtained by the shortened method are respectively 0.50 and 0.58 in respect of traditional Bond method.

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The Work Index is used when determining the size of the mill and grinding power required to produce the required ore throughput in a ball mill [Bond 1961]. Simulations and modeling of this test ...

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The Bond rod mill work index is not as common as the Bond ball mill work index, and there are two different variations on the mill apparatus.The SAGMILLING.COM models expect a mill with a "wave liner", and is not compatible with mills using "smooth liners".

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Appendix B-2 Bond Work Index Test Procedure for Determination of the Bond Rod Mill Work Index - Free download as PDF File (.pdf), Text File (.txt) or read online for free

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Correlation between the Bond Work Indices calculated from three different method (HGI, Bond Ball Mill Work Index and Bond Rod Mill Work Index) was established. Appropriate correlation in the ...

Get PriceBond Work Index Rod Mill | Titan Process Equipment Ltd.

The Titan Bond Work Index Rod Mill is one-piece cast construction with integral wave liners of a form described by Bond. This mill is used to perform the necessary metallurgical testing to determine the grinding characteristics of ores and power requirements for operating production-size rod mills.

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