Gear Type Roof Bolt Drilling Tool is used in coal and stone, candrill roof bolt hole, blend and install resinic rolf bolt.

QMZS1.7/11( ZQS-50/2.0 ) Gear Type Roof Bolt Drilling Tool is used  in coal  side anchor supporting for 60Mpa( ≤f6 )  stone, candrill roof bolt hole, blend and install resinic rolf bolt.

Characteristics:

   Small, light, easy to operate and maintain.

   Gear type pneumatic motor, stable running.

   Safe and explosion-proof, reasonable structure, wide using scope.

Item	Unit	Parameter
Working pressure	Mpa	0.4	0.5	0.6
Nominal torque	N.m	≥42	≥50	≥60
Rated speed	r/min	280	300	350
Idling speed	r/min	≥1200	≥1250	≥1300
Static torque	N.m	≥60	≥70	≥80
Gas consumption	m3/min	≤2.1	≤2.4	≤2.6
Peak power output	kw	≥1.2	≥1.4	≥1.8
Most high loading torque	N.m	≥50	≥60	≥70
Starting moment	N.m	≥50	≥58	≥52
Under 1/2 idling speed torque	N.m	≥22	≥32	≥34
Under stall with power torque	N.m	≥50	≥58	≥62
Flushes the laundering pressure	Mpa	0.6∼1.2
Noise	dB(A)	≤90
Rock drill tail six side sizes	Mn	19
Complete machine weight	kg	11±1

Pneumatic Drilling Rig