ü ER-Di II/5 Drilling Machine; uses for finding coal at mines,
to put rock as ease on stress,to search the cap and subgrade of the rock,to do
the cooling of artery that were efficient for fire,drilling and blasting,
drainage gas and water.
ü The main useful property of the drilling machine is easy
montage,demontage,carriage and transport.
ü The Drilling Machine
doesn’t take core. But with special aparey uses core can be taken.The formation
followed the pieces coming while drilling. Approximately upswing
at coal is ~100 meter, ~60-65 at other formations.
ü The drilling tijs were
special and manufactured without stiches steel shrinking tube.
Ø To make drilling with pressured air, aspecially for coal
mines ground survey and gallery getting on.
Ø The purpose at drilling is not to complete the lenght, to
provide first diagnosis and safely move along.
