SWDM240B OPERATION & MAINTENANCE MANUAL
Tooth-socketed cylindrical
drill
Straight barrel design, lower
part is open for slag inlet. Lower
part of the barrel with annular
edge is equipped with different
cutting teeth. Drilling method is
ring cutting with high efficiency
into the rock. Rock enters the
barrel in columnar during
drilling.
Cone-socketed cylindrical
drill
Straight barrel design, lower
part is open for slag inlet. Lower
part of the barrel with annular
edge is equipped with cone.
Drilling method is ring cutting
with high efficiency into the
rock. Rock enters the barrel in
columnar during drilling.
Slightly weathered
and unweathered
hard bedrock
Tooth alloy rock-socketed
cylindrical drill
Straight barrel design, lower part is open
for slag inlet. Lower part of the barrel
with annular edge is welded with carbide
tooth. Drilling method is ring cutting with
high efficiency into the rock. Rock enters
the barrel in columnar during drilling.
Slightly
weathered and
unweathered
hard bedrock,
large boulders
Clamped rock-socketed
cylindrical drill
Straight barrel design, lower part is open
for slag inlet. Lower part of the barrel
with annular edge can be equipped with
cutting teeth, cone and lumpy alloy. A
grab mechanism is installed in the inner
part. Drilling method is ring cutting with
high efficiency into the rock. Rock enters
the barrel in columnar during drilling.
Bedrock and
large gravel
layer
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