Modified Bond Ball Mill Work Index Test - What is this ,

Modified Bond Ball Mill Work Index Test - What is this ,

The 12kg charge is milled with the standard Bond ball mill for a set time A particle size analysis is performed on the feed and ground product, and a modified work index is calculated using a proprietary model The Mod Bond results must be calibrated against sufficient standard Bond ball mill work indices, typically 10% of the total

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Comminution testing - JKTech - University of Queensland

Comminution testing - JKTech - University of Queensland

Jul 30, 2020· A Bond Ball Mill Work Index may also be used in the simulation and optimisation of existing mill(s) and the associated grinding circuit(s) Sample requirements: A minimum of 8 kg of material crushed to nominally minus 10 mm is preferred JKTech would stage crush the sample to minus 335 mm, as required for the Bond Ball Mill Work Index test feed

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JK Bond Ball Mill Test - JKTech

JK Bond Ball Mill Test - JKTech

JK Bond Ball Mill Test Since its introduction in the 1960s, the Bond Ball Mill Work Index (BBMWi) parameter has been extensively used in predicting ball mill power draw Use of Work Index Along with comminution circuit design the work index parameter is widely used in tracking mill performance Due to the age and lack of controls for the test.

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Bond Work Index Procedure and Method

Bond Work Index Procedure and Method

Jun 06, 2015· This Grindability Test or Bond Ball Mill Work Index Procedure is used to determine the Bond Work Index of minus six mesh or finer feed ore sampl These equation application methods are used to process

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