Drum Cutter Attachment for Excavator
The drum cutter attachment for excavator is used for applications such as digging trenches for laying pipelines, cables or drainage, tunnel construction and digging mine shafts. But these powerful rotary drum cutter also offer superior usability in demolition and renovation of buildings.
The hydraulic rotary drum cutters are suitable for 2.5 to 70 ton excavators and can be quickly and easily attached to the circuit for hydraulic breakers. The rotary drum cutters include an integrated hydraulic safety valve and the seals and bearings have been calculated for heavy duty works. The direct drive motor provides high power and the final performance of each rotary drum cutter is dependant on the hydraulic adjustment of the respective excavator.
The main application of the drum cutter
Tunnelling
Trenching
Refurbishment
Quarrying
Foundation work
Under water excavations
Forestry clearance
Soil mixing
Slag removal in steel industryWhat Production Rate Can I Expect From A Drum Cutter?
The Productivity Table in the downloads below is an indicator of the productivity rates that can be achieved within the operating range of rock hardness suitable for rotary drum cutters. These levels can vary by as much as plus/minus 15% depending on:
Size of hydraulic motor.
Cutting direction (wall, floor, trench, etc).
Operator experience.
Ground conditions e.g. layers, fissures, weathering, etc.
|
Model
|
Excavator Tons
|
Rotation Speed RPM
|
Oil flow @725 psi gal/min
|
Torq @5000 psi lbf-ft
|
Cutting Force @5000 psi lbf
|
Weight lbs
|
|
DR 50
|
1 – 3
|
150
|
6.6 – 10.0
|
706 – 1047
|
1912 – 2835
|
220
|
|
DR 100
|
3 – 7
|
110
|
10.8 – 16.4
|
1548 – 8615
|
2950 – 4376
|
485
|
|
DR 150
|
7 – 15
|
90 – 95
|
15.8 – 24.4
|
2581 – 3835
|
3934 – 5854
|
992
|
|
DR 200
|
10 – 20
|
80
|
31.7 – 39.6
|
6396 – 7670
|
9780 – 11670
|
1980
|
|
DR 250
|
10 – 20
|
80 – 85
|
37.0 – 50.2
|
23088 – 34120
|
7037 – 10400
|
2200
|
|
DR 300
|
20 – 40
|
75
|
47.5 – 79.2
|
10000 – 17250
|
9400 – 16190
|
3500
|
|
DR 350
|
20 – 40
|
75
|
47.5 – 79.2
|
10000 – 17250
|
9400 – 16190
|
3640 – 3860
|
|
DR 400
|
30 – 50
|
65 – 75
|
79.2 – 103
|
16450 – 24700
|
14740 – 22150
|
4850
|
|
DR 450
|
45 – 70
|
53 – 62
|
92.5 – 118.9
|
22990 – 34585
|
17410 – 26190
|
7275
|
|
DR 500
|
70 – 125
|
48 – 52
|
185 – 250
|
54800 – 80500
|
36330 – 53330
|
13200
|
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