Check your buttons: Proven tips for more meters per bit ...
2017-11-7u2002·u2002When a top hammer button bit is sharp, the percussive energy transferred into the rock is at its optimum, resulting in effective rock fracture and a maximum penetration rate for the given drilling parameters. As flats develop on the buttons (tungsten carbide inserts), energy utilization is no longer optimized, leading to a lower penetration ...
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