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ZLJ-250 75m Geological Prospecting Tunnel Drilling Machine Introduction
ZLJ SERIES EXPLOSION-PROOF DRILLING MACHINE is developed specially for drilling in tunnel of coal mining based on our spindle type of core drilling rig, it is mainly suitable for drilling with tungsten carbide bit for tunnel construction drilling and underground geotechnical drilling.
It has features of light weight, compact size, good detachability, powered largely etc.
ZLJ-250 75m Geological Prospecting Tunnel Drilling Machine Parameter
Item |
Unit |
Technical Parameter |
||||||
ZLJ-250 |
ZLJ-350 |
ZLJ-400 |
ZLJ-650 |
ZLJ-700 |
||||
Rated torque |
High speed |
N·m |
250 |
350 |
400 |
650 |
700 |
|
Medium speed |
N·m |
150 |
250 |
230 |
380 |
520 |
||
Low speed |
N·m |
85 |
100 |
130 |
214 |
310 |
||
Rated speed |
High speed |
r/min |
340 |
350 |
340 |
270 |
410
|
|
Medium speed |
r/min |
192 |
170 |
192 |
151 |
198 |
||
Low speed |
. r/min |
112 |
99 |
112 |
88 |
150 |
||
Rated pressure |
Mpa |
8 |
8 |
8 |
8 |
8 |
||
Max feed force |
kN |
9 |
9 |
9 |
34 |
34 |
||
Max pulling and lining force |
kN |
12 |
12 |
12 |
12 |
12 |
||
Drilling angle |
° |
0~360° |
0~360° |
0~360° |
0~360° |
0~360° |
||
Capacity of drum |
m |
26.3 |
26.3 |
26.3 |
40 |
40 |
||
Diameter of wire rope |
Mm |
8.8 |
8.8 |
8.8 |
11 |
11 |
||
Drill rod caliber |
mm |
42 |
42 |
42 |
42 |
42 |
||
Supply water pressure |
Mpa |
0.6~1.2 |
0.6~1.2 |
0.6~1.2 |
0.6~1.2 |
0.6-1.2 |
||
Power |
kW |
4 |
5.5 |
5.5 |
7.5 |
7.5 |
||
Voltage |
V |
380/660 |
380/660 |
380/660 |
380/660 |
380/660 |
||
Rated Current |
A |
8.8/5.3 |
9/13 |
15/10 |
13.4/8.8 |
17.1/11 |
||
Dimension |
mm |
1235*630*1165 |
1265*650*1020 |
1200*700*1230 |
1200*1290*700 |
|
||
Weight |
Kg |
440 |
480 |
480 |
630 |
710 |
||
ZLJ-250 75m Geological Prospecting Tunnel Drilling Machine Photos
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