Product Features
Models ZM25J series electric coal drill according to the standard of GB3836.2<The Explosive Gas Environment Use for the 2 Electric Equipment Isolation Explosion Type “d”>, GB3836.3<The Explosive Gas Environment Use for the 3 Electric Equipment :Increase Ann Type“e”> and MT52-1996<Coal Mine with Rock Drill> to manufacture. The drills have the advantage of high-speed, save effort, high efficiency, long service-life and small maintenance quantity, drill cuttings in a granular, litter dust when drilling hole, to change workers’ labor environment etc.
3. Main Parameters
|
Model
|
ZM25J
|
|
|
Main Unit
|
Outline Dimension L×B×H mm
|
500×420×250
|
|
Net weight KG
|
29
|
|
|
Connect size. mm
|
ф26
|
|
|
Diameter of bore. mm
|
30~42
|
|
|
Max. depth. m
|
30
|
|
|
Speed. mm/min
|
280
|
|
|
Resistance impatient of rock. Mpa
|
60~80
|
|
|
Mover and
Support
|
Forward distance. mm
|
1300
|
|
Length of mover . mm
|
1800
|
|
|
Angle of bore. 0
|
45
|
|
|
Max. height/ Min. height. mm
|
500/1500
|
|
|
Mover weight. KG
|
19
|
|
|
Support weight. KG
|
20
|
|
|
Motor
|
Model
|
ZM25J
|
|
Rated power. KW
|
2.5
|
|
|
Rated current. A
|
16.5
|
|
|
Rated voltage. V
|
127
|
|
|
Rated speed. r/min
|
2840
|
|
|
Max. rated torque. times
|
3.5
|
|
|
Max. Locked-rotor torque. times
|
3.0
|
|

