|
|
|
|
Ultimate strength of rocks breaking, sñîmp, MPa, min |
70 (f=5) |
|
Permissible ultimate strength of rocks constituting
max 10% in the volume of coal cutting with rock, MPa |
80 |
|
Rock abrasivity, mg, max |
15 |
|
Output, m3/min |
|
|
- in coal and coal-cutting with rock |
1,42 |
|
- in coal and coal-cutting with rock, sñîmp. 80 MPa |
0,25 |
|
Rough dimension of drivage, m |
|
|
- height |
2.1 – 4.45 |
|
- width |
3.0 – 5.2 |
|
Gradients of driven working, degrees |
±12 |
|
Cutting boom swing, mm: |
|
|
- height |
4450 |
|
- below ground level |
180 (420*) |
Cutting boom
|
Type |
boom with linear-axial cutting head |
|
Telescoping travel, mm |
550 |
|
Rated power of the cutting head electric motor, kW |
75 (55*) |
|
Cutting head rotation frequency, min -1 |
52 |
|
Cutting rate at the max. diameter of the cutting head, m/s |
1.4 |
Feeder
|
Type |
loading apron with gathering arms |
|
Gathering arms gear |
hydro-mechanical, kinematically uncoupler |
|
Swinging of arms, min-1 |
30 |
|
Feeder width, mm, max |
3100 (2100*) |
|
Lowering of the feeder lip below ground level, mm. max |
200 (420*) |
Chassis
|
|
crawler type |
|
Chassis drives |
hydro-mechanical, kinematically uncoupled |
|
Traveling speed, m/min.: |
|
|
- working speed (with loading) |
1.1 |
|
- maneuvering speed (without loading) |
4.8 (5.8*) |
|
Track width, mm |
530 |
|
Clearance, mm |
190 |
Scraper conveyor
|
Type |
scraper twin-chain with a rigid or lift and swivel stand |
|
|
twin-motor electromechanical gear |
|
Trough width, mm |
450 |
|
Chain speed, m/s |
0.9 |
|
Conveyor throad height, mm |
400 |
Stage loader
|
Type |
belt conveyor fitter to the rear side of the roadheader and to the monorail carrier |
|
|
electromechanical drive |
|
Electric drive motor, kW |
18.5 |
|
Belt width, mm |
650 |
|
Belt speed, m/s |
1.50 |
|
Length, mm |
11400 |
Flushing System
|
Flushing points |
cutting head/material transfer from the scraper conveyor/from the stage loader |
|
Water pressure in the flushing system, MPa, min |
1.5 |
|
Water discharge for the cutting head flushing, l/min, max |
60 |
Overall machine dimensions in a transportation position, mm
|
- length (without stage loader) |
11200 |
|
- width over crawler |
1970 |
|
- width over feeder |
3100 (2100*) |
|
- height over body |
1600 |
|
Voltage, V |
660 (500*) |
|
Rated current frequency, Hz |
50 |
|
Total rated power of electric motors including, kW |
173.2 |
|
Weight, t |
30 |
|
Ground pressure, MPa |
0.1 |
|
Clearance, mm |
190 |
* "SB version"
|
| The plant’s design bureau is capable to work out and complete machines also with other equipment depending on customer demands |
|
|
|
