Understanding Soil and Rock Drilling and Excavation Tools: The Physics of Breaking Ground.
At the heart of every drilling and excavation operation lies a fundamental principle: Penetrate soil or rock
The Mechanic of Penetrate soil or rock is based on applied pressure and attach angle
How to position your drill teeth and pressure to apply
Kelly Bar Drilling Machines, Tricones, Rotary drill bits and Hidromills are applying the pressure constantly so the correct drilling design is based on correct push down force and correct attach angle
DTH HAMMERS with the world leader MINCON
Drifters and DTH Hammers are based on frequency of hit, mass of the hammer and geometry of the bit