Sag Mill and Ratio Of Bond Ball and Rod Work Index
FIGURE 8: ROD MILL/BALL MILL WORK INDEX RATIO v. UNCONFINED COMPRESSIVE STRENGTH 100 200 300 400 UCS (MPa) 0 0.5 1 1.5 2 WiRM/WiBM (metric) Siddall et al (1996) identified the ratio of Bond rod mill Work Index and ball mill Work Index
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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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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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Bond had used short tons to determine work index. To convert to metric tons the factor 1.1 has been used here, (62 × 1.1 = 68.2). 2. W i conforms to the motor output on an average overflow rod mill of 2.44 m internal diameter, wet grinding in open circuit.
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Ball mill work index is used in several SAGMILLING.COM circuit models, including: Bond/Barratt specific energy consumption circuit model. Bond/Rowland rod mill & ball mill specific energy consumption circuit model. Amelunxen SGI SAG and ball mill circuit.
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Rod mill work index is used in the SAGMILLING.COM Bond/Barratt specific energy consumption model. The work index is used to calculate the energy requirement to grind rocks in the medium size range, from 10 mm - 20 mm down to about 2 mm.
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· For comparing the standard Bond rod-mill work index and the new modeled method, work index (W i) and produced fine particles in a cycle (G i) for the four samples determined. The performed paired Student’s t -test results indicated that the Standard Deviation for G i and W i obtained by the shortened method are respectively 0.50 and 0.58 in respect of traditional Bond method.
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KING > CONTACT US >>> rod mill work index classification For more than 30 years, KING has focused on R&D and manufacturing of mine crushing equipment, building crushing equipment, industrial pulverizing equipment and green building materials equipment, and provided professional solutions and mature supporting products to create value for customers.
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Titan Bond 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 …»More detailed
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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.
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Generally, Bond work index is a common method for selecting comminution equipment as well as estimation of grinding efficiency and calculating required power. In the current research, a simple, fast and accurate procedure is introduced to find the
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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 ...
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The standard Bond Rod Mill Work Index test procedure is firstly to stage crush the feed to pass 12.7 mm, and size a representative sample. The test then involves a series of batch grinds in a standard Bond rod mill. A Bond rod mill is 0.305m by 0.610m, with ...
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Tubular Rod Mills ScienceDirect As in ball mills, the power draft of a rod mill is the product of capacity and work index, which is the energy required to break a mineral of a given size to the required size. The mill power is also increased by increasing the rod charge ...
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Classification Rod Mill Ball Mill Closed circuit crushing to 16 mm Open circuit 8’ dia. rod mill to 1 mm Closed circuit 8’ dia. ball mill to P80 um The ore Test Work Index = Circuit Operating Work Index 9 The Standard Bond Circuit Coarse Ore Bins Fine Ore Bins ...
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rod mill Work Index test for these purposes. Chose a o closing screen for the ball mill test one (standard square root of 2 series) mesh size coarser than the plant ball mill circuit P80. If between standard mesh sizes, the finer of the chose two. Results of Bond ...
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· Here is a list presented in table form of Rod Mill Work Index as tested/presented by SME handbook of mineral processing, N.L Weiss Editor, N.Y. 1985.
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Bond Rod Mill Grindability Test Grinding Solutions can carry out Bond Rod Mill Work Index tests to determine the energy requirements for milling ore in a rod mill. The test requires a minimum of 20kg of -12.5mm material. Closing screen sizes typically range
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Rod Mill Power Draft 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
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Word Index Rod Mill Wet and dry grinding is accomplished with the mill operating locked in the horizontal position. For charging and emptying the mill, it is tilted on its axis. The mill stand has an adjustable shelf so that containers of varying size can be used for ...
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The Rod Mill Work Index (RWI) is used for particle size determination in a size range from 25 mm down to 2.1 mm whereas Ball Mill Work Index (BWI) is used for the range from 2.1 mm down to 100 µm. Adjustment of grinding parameters:
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Here is a list presented in table form of Rod Mill Work Index as tested/presented by SME handbook of mineral processing, N.L Weiss Editor, N.Y. 1985.
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rod milling, is fitted to a tumbling test, referred to as the Bond rod mill work index (WiRM, or RWi). The apparatus used to determine this work index was described in 1943 by Bond & Maxton and a slightly different apparatus was described by Bergstrom in 1985.
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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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rod mill work index classification [ 4.9 - 4383 Ratings ] The Gulin product line, consisting of more than 30 machines, sets the standard for our industry. We plan to help you meet your needs with our equipment, with our distribution and product support system » ...
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