overgrinding

overgrinding

[′ō·vər‚grīnd·iŋ]
(mining engineering)
Grinding an ore to a smaller particle size than that necessary to free the desired mineral from other materials.
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References in periodicals archive ?
SemPen is a spot primer/paint applicator that's easy to use, easy to dispose of and vastly reduces costly overgrinding and painting of aircraft.
A positive once-through chopping action reduces the product to desired output without overgrinding.
The system acknowledges to employees that a parting line is important and that overgrinding is a problem, thus improving inspection of parts.