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Strain-gauge measurements from a large ball mill are presented. Stress ranges determined from these strain-gauge measurements are compared with calculated stress ranges from a finite element analysis of the mill. It is shown that liner stiffness effects can result in lower-than-expected stress ranges at inboard plate flanges in the mill shell. There is good agreement between measured and calculated...
A study of the structural design of large SAG mills is presented. Stress ranges from strain gauge measurements are compared with those calculated using finite element models for two mills. The agreement between measurement and calculation for one mill is substantially better than it is for the other. The cause of the discrepancy in agreement between measurement and calculation for the two mills is...
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