Selection of DTH Drilling Tools - Hardrockdrills.com
2018-2-25u2002·u2002Here we will give the high level introduction on how to select the DTH drilling tools, due to they are the key components for borehole drilling. Hammers and bits Generally the hammer should be selected to match the maximum operating conditions for the compressor The recommendation is that the hammer shall use about 85% of the compressor air delivery capacity The bit should be selected to …
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