

Pneumatic
rock
drill
YT27
YT28
YT29A
air
leg
rock
drill
machine
with
high
efficiency
Rock
Drilling
Machine
Product
Information:
1.
YT
series
pneumatic
rock
drill
for
drilling
in
the
hard
rock
horizontal
and
inclined
direction
hole,
it
can
also
be
up
drilling
anchor
hole,
hole
diameter
is
Φ
35
~
45
mm,
and
effective
drilling
depth
of
5
meters.
It
may
also
working
for
roof
bolting
holes.
The
rock
drill
played
an
important
role
in
mining,
quarrying
and
tunneling
projects.
2.
Depending
on
the
roadway
cross-section
size
and
operation
conditions,
the
machine
can
be
used
FT160A
gas
legs,
long
FT160C
type
gas
type,
FT160B
dispirited
legs
(metal
mines
can
also
be
used
FT170
gas
leg),
can
also
be
installed
in
jumbo
or
drill
the
rack
to
dry
and
wet
drilling.
Specifications:
PRODUCT
SPECIFICATION
|
The
parameter
name
|
Unit
|
The
parameter
value
|
Weight
|
kg
|
≈27
|
Length
|
mm
|
668
|
The
cylinder
diameter
|
mm
|
80
|
Piston
stroke
|
mm
|
60
|
Gas
consumption
|
L/s
|
≤80
|
Drilling
and
frequency
|
Hz
|
≥37
|
Impact
energy
|
J
|
≥75.5
|
borehole
speed
|
mm/min
|
≥475
|
The
borehole
diameter
|
mm
|
Φ34-45
|
Perforating
depth
|
m
|
5
|
Shank
|
mm
|
22×108±1
|
Application:
mining
tunneling
and
various
engineering
operations
in
the
drilling
of
cannon
holes,
metallurgy,
coal,
railway,
transportation,
water
conservancy
and
national
defense
stone
works
Company
Profile:
Hebei
Minetech
Machinery
Technology
Co,
Ltd.
is
an
joint
venture
enterprise
with
Europe
Partner,
which
is
located
in
Shijiazhuang
City,
Hebei
Province,China.
Our
company
is
specialized
in
manufacturing
and
exporting
of
mining
machinery,
such
as
hydraulic
and
pneumatic
drill
machine,
roof
bolter
and
drilling
consumption,
like
drill
bit
and
drill
rod
with
own
factory
in
Shijiazhuang
City.
With
our
rich
expenience
for
over
a
decade
and
with
professional
engineers
andsales
team,
we
focus
on
providing
complete
solutions
for
mining
machinery.
Target
markets
is
gradually
shifted
from
domestic
market
to
international
market,
products
are
exported
to
more
than
thirty
countries
and
regions,
including
Southeast
Asia,
the
United
States,
Germany,
Britain,
South
Africa,
Poland,
Russia,
Middle
Asia,
South
America
and
so
on,
and
established
a
good
brand
and
reputation
international
market.





