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XMGQΦ305 Grinding Bond Ball (Rod) Mill is mainly applied for testing the grinding work index of the material of every kinds of ores, slag, etc. Under the specific rotation speed for dry grinding, then screening the products, weighing, repeat operation several times, getting the grinding work index kWh/t. 3.1, main machine 1 set, including 1 ...
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Bond Work Index - an overview | ScienceDirect Topics
The Bond work index is not solely a material constant but is influenced by the grinding conditions. For example, the finer the grind size desired, the higher is the kWh/t required to grind to that size. Magdalinovic [38] measured the Bond work index of three ore types using different test screen sizes. He produced a correlation between the mass of test screen undersize per revolution, G, …
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Download Table | Bond's mill specification and grinding conditions from publication: A quick method for bond work index approximate value determination | The Bond work index is …
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Metallurgist & Mineral Processing Engineer
The Bond_Mill Sizing spreadsheet was designed to determine the most appropriate mill dimensions and operating conditions for a given grinding task (known ore properties plus desired mill throughput and feed and product sizes), based on the traditional Bond's Law and the Hogg & Fuersteneau Power Model (see Mill Power_Ball Mills spreadsheet for ...
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Bond Work Index Tests - Grinding Solutions Ltd
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 …
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Bond Work Index Procedure and Method
Cleaning and Storing of Ball Mill Charge after the Bond Work Index Procedure is done: Add about 500 g of silica sand into the mill containing the ball charge. Seal the mill. Rotate for 20 revolutions to clean. Empty the mill charge …
(PDF) A quick method for bond work index approximate …
Bond ball mill and grind for an arbitrary number of mill revolutions (N 1 = 50, 100 or 150 revolutions). After grinding, screen the sample on the comparative sieve and determine
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20150505 Bond Efficiency-GMG-ICE-v1-r04 Determining …
20150505_Bond_Efficiency-GMG-ICE-v1-r04 Determining the Bond Efficiency of industrial grinding circuits SUBMITTED BY The Bond Efficiency Guideline Sub-Committee VERSION DATE 05 May 2015 Annexes: 26 Mar 2015 APPROVED BY Vote of the Industrial Comminution Efficiency Working Group 05 May 2015 and GMG Governing Council 11 May …
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QUICK METHOD FOR BOND WORK …
specification of the Bond mill are given in Table 1. Table 1. Bond's mill specification and grinding conditions Mill diameter, D m, cm 30.48 Mill Length, L m, cm 30.48 Number of mill rotations in minutes, n, min-1 70 Mill balls weight, M b, kg 21.125 Geometry of mill liner smooth Grinding type dry V ore, cm 3 700