Stopers
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.
Technical specifications
|
Rock drill type |
Underground rock drill |
|
Hole range |
27 mm - 41 mm |
|
Weight |
40 kg |
|
Length retracted |
1 650 mm |
|
Length extracted |
2 620 mm |
|
Air consumption |
75 l/s |
|
Impact rate |
0 blows/min |
|
Piston diameter |
75 mm |
|
Stroke length |
45 mm |
Vibration and sound
|
Vibration level 3 axes (ISO 20643) |
10 m/s² |
|
Sound power level guaranteed (2000/14/EC) |
124 dB(A) |
|
Sound pressure level (ISO 11203) |
121 Lp. dB(A) |
Available shank size
|
Shank size: Hex |
22x108 mm - 7⁄8 x 41⁄4 inch |