Stopers are made for vertical or inclined environments. The machines are especially designed for production drilling, raise driving and roof bolting. Thanks to the ratchet wheel rotation and short piston stroke you get good penetration rates in soft and medium hard rock.
|
Rock drill type |
Underground rock drill |
|
Hole range |
27 mm - 41 mm |
|
Weight |
39 kg |
|
Length retracted |
1,435 mm |
|
Length extracted |
2,205 mm |
|
Air consumption |
75 l/s |
|
Impact rate |
3,000 blows/min |
|
Piston diameter |
75 mm |
|
Stroke length |
45 mm |