bond ball mill work hardness jktech

Comparison of Ore Hardness Measurements for Grinding Mill ...

Key Words: Comminution Tests, Bond Work Indices, JKTech, Grinding Mill Design, Database,. Ore Hardness Measurements, JK Drop Weight Test, SAGDesign Test ... Ball Mill Work Index tests using crushed feed, and Standard Autogenous...

Chat Online

Characterisation Measurements in Industrial Flotation Cells - CEEC

S. Schwarz, JKTech Pty Ltd, Indooroopilly, QLD Australia. J. M. Richardson .... [Ore hardness parameters A, b and ta, are measured by the. JKTech drop .... mill performance and Bond ball mill work index to establish ball mill performance.

Chat Online

Reliability of Some Ore Characterization Tests - Ausenco

SUMMARY OF ORE CHARACTERIZATION TEST WORK METHODS AND POWER BASED ... When Bond first developed his comminution law, crushers, rod mills and ball ... (JKTech, 2007) and in-house empirical models developed from plant data to .... hardness (fracture toughness) for SAG throughput calculation was the...

Chat Online

Bond Impact Crushing Work Index -Procedure and Table of ...

Jul 2, 2016 ... jktech.com.au ... Find a referential Rod Mill Work Index Table here. ... but I consider Sagmilling.com the go-to place for hardness testing management. ... and Understand Rod/Ball/Impact-Crushing/Abrasion BOND Work Index...

Chat Online

A structured approach to the evaluation of the energy ... - SAIMM

with the option of SABC (SAG mill-ball mill-crusher) or 3- stage crushing with ... Positions in JKTech's database ... selected test usually represents the medium hardness or a .... is based on the work by Bond, with improvements suggested.

Chat Online

Testwork Programs That Deliver Multiple Data ... - SAGMILLING.COM

that simultaneously returns comminution datasets suitable for a Bond Work Index based method ... JK Tech (JK SimMet with drop weight test) .... style in all five locations, then the ball mill calibration sample would consist of approximately ... Barratt's method uses three hardness parameters that are measured by testwork: the...

Chat Online

Milling circuit selection for Nkomati 375 ktpm concentrator - SAIMM

followed by reverse fed closed-circuit ball milling -10.36mØ x 5.26m and ... “Nkomati Expansion Project Grinding Mill Simulation Study” – JKTech Jan 2003 .... average hardness in the ore and the choice of operating mode will ultimately ... operating work index based upon a Bond Work Index of 20kWh/t for the milling stages.

Chat Online

Report on Mill Comminution Testing

Feb 25, 2013 ... A x b = overall AG–SAG hardness. DWi = drop-weight .... Research on February 14, 2013, by JKTech for SMC test analysis. The samples ...... micro-cracking. A reduction in the Bond ball mill work index as measured by testing.

Chat Online

an overview of the small-scale tests available to characterize ... - SGS

The hardness of ore samples is measured through grindability testing. .... Figure 1: Frequency of Bond Ball Mill Work Index .... JKTECH DROP-WEIGHT TEST.

Chat Online

News