«URAL-33M» COAL CUTTER

The “Ural-33M” coal cutter is designed for mechanized undercutting of coal and shale seams not less than 0.6 m thick at coal and shale resistance to cutting of up to 360 kN/m2 (360 kgf/cm2) at dip angles of up to 20° in accordance with “Safety Regulations in Coal and Shale Mines”.

The coal cutter is manufactured for temperate climate regions (Y version).
The operating voltage of the machine is rated for 660 V and 380 V against customer’s order

SPECIFICATIONS

Characteristic name Value
Feed rate, m/s:
- working speed
- creep speed

0,047
0,135
Feed gain, kN
- working
- creep

up to 120
45-56
Cutting chain travel speed, m/s
- working speed
- auxiliary speed

2,96
1,59
Overall dimensions, mm:
- width
- height
- length (in operative position)

720
400
4300
Motor power, kW 75
Power supply voltage, V 380, 660
Mass, kg No more than  4400
Type of cutting chain, mm drop-forged
balanced
nine-lined
                          (without chain connector)  
Chain pitch, mm 76
Chain breaking load, kN 58
Width of cutting chain, mm 140
Length of cutting unit, m 1,6; 1,8; 2,0; 2,2
Cutting unit
- number of speeds
- type of hydraulic pressure drive pump
- type of hydraulic motor for coal cutter jib actuation

2
axial-piston double-action hydraulic power cylinder  
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