MQT-120/3.2 type pneumatic roof bolter finds widely application on roadways with coefficient of rock hardness f≤10, in particular to anchor support operations, either drills bolt hole on the roof or anchor cable hole, also used in agitation and erection of resin explosive cartridge type bolt, anchor cable, no other equipment to be use can be capable of single-time screwing up bolt nuts for requirements of initial anchor pre-tightening force.

CONTACT: laura@dongdajituan.com

2, Features:

mall volume, light weight, easy manipulation, easy maintenance.ar type of pneumatic motor, torque and speed quick and stable running, high reliability.ew fiber glass gas leg design, high reliability, service life is longer.

3. The features of the products:
The rock drill maximizes adopting the engineering plastic, light and flexible.
The rock drill adopts high-power motor,more powerful.
The part of propulsion adopts ERP air cylinder, security and explosion-proof.
Please contact with us for more detailed info.
You are welcome  to our factory for visiting and advising.

Working pressure

Mpa

0.4

0.5

0.63

Torque rating

N.m

100

120

130

Velocity rating

r/min

240

260

280

No-load rotate speed

r/min

650

700

750

1/2 no-load rotate speed

r/min

325

350

375

Torque under 1/2 no-load rotate speed

N.m

70

80

90

Air consumption

M / min

3.2

4.2

5.3

Maximum output power

kW

2.5

3.2

3.8

Maximum load torque

N.m

150

200

240

          
Starting torque

N.m

160

210

255

Stall torque

N.m

170

230

270

Flushing water pressure

Mpa

0.6~1.2

Noises

dB(A)

≤95

Hexagonal shape shank tail

mm

19(22)