Kemaico USA Corporation
Iron Ore Exploitation. Hard Rock
Project: Iron ore exploitation
Nature of rock: Iron Ore – medium-hard rock
Drill rig model: Atlas Copco Boomer281
Specifications of test product: Thread button bit: 45mm-R32 (ballistic)
Total drilled depth: 189m
Depth of single hole: 3m
Customer feedback:
We have tested the Kemaico drill bit which has been modified. The size of buttons was changed. From the result of this testing, the speed is faster and the life time is longer for the modified R32:45mm drill bit. It reduced costs of drilling to some extent.
Source: http://www.kemaico.com/applications/
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