
Drilling shock absorber for big size hammer
Axuliary Equipment Shock Absorber :
1. Absorb shock for big size Hammer
2. Unique design&precise quality control process
3. Customizing service with customer Request
Size | Outside Dia./mm | Length/mm |
3" | 77 | 496 |
4" | 97 | 496 |
5" | 117 | 580 |
6" | 138 | 580 |
8" | 180 | 656 |
10" | 225 | 1017 |
12" | 270 | 1017 |
Below is DTH SPEC:
Techincal Parameters
Description | Product Code | Bit Shank | Thread Connection | Outer Dia.(mm) | Length Without Bit (mm) | Weight (kg) | Flat Wrench (mm) | Rec. Hole Size (mm) |
RS 180 | 260000 | DHD38, COP84 | API 4 1/2" REG PIN | 180 | 1522 | 190 | 150 | 203-271 |
Working Pressure (bar) | Impact Frequency at 17 bar (Hz) | Normal Axial Pressure (kN) | Rec.Rotation Speed (r/min) | Air Consumption (m³/min) | ||||
14-24 | 20 | 18.3 | 30-40 | 12bar | 17bar | 24bar | ||
22.5 | 28.2 | 39.6 |
Hammers Matching To Other Bits | ||||||||
Description | Product Code | Bit Shank | Thread Connection | Outer Dia. (mm) | Length Without Bit (mm) | Weight (kg) | Flat Wrench (mm) | Rec. Hole Size (mm) |
RS180-QL80 | 260001 | QL80 | API 4 1/2" REG PIN | 180 | 1515 | 190 | 150 | 203-271 |
RS180-Mission80 | 260003 | Mission80 | 1515 | 188 | ||||
RS180-MACH80 | 260005 | MACH80 | 1522 | 190 | ||||
RS180-SD8 | 261000 | SD8 | 1492 | 195 |
Working Pressur (bar) | Impact Frequency at 17 bar | Normal Axial Pressure (kN | Rec. Rotation Speed (r/min) | Air Consumption (m³/min) | ||
14-24 | 20 | 18.3 | 30-40 | 14bar | 17bar | 24bar |
22.5 | 28.2 | 39.6 |
ROSCHEN DTH Hammers Specifications | |||||||
Hammer Size | Bit Shank | ROSCHEN Code | Connection Thread | Suitable bit | Working pressure | Air consumption | |
1" | BR1 | ROS 11 | RD50 box | ¢50-70mm | 0.7-1.75Mpa | 0.7Mpa | 4.5m3/min |
1.0Mpa | 4m3/min | ||||||
1.4Mpa | 5m3/min | ||||||
2" | BR2 | ROS 22 | RD50 box | ¢70-¢90mm | 0.7-1.75Mpa | 0.7Mpa | 4.5m3/min |
1.0Mpa | 4m3/min | ||||||
1.4Mpa | 5m3/min | ||||||
3" | DHD3.5 | ROS 32 | API 2 3/8" Reg | ¢90-¢110mm | 1.0-1.5Mpa | 1.0Mpa | 4.5m3/min |
COP32/COP34 | |||||||
M30 | 1.5Mpa | 9m3/min | |||||
4" | DHD340 | ROS 34 | API 2 3/8" Reg | ¢110-¢135mm | 1.0-2.5Mpa | 1.0Mpa | 6m3/min |
COP44 | |||||||
QL40 | |||||||
SD4 | 1.8Mpa | 10m3/min | |||||
M40 | 2.4Mpa | 15m3/min | |||||
5" | DHD350 | ROS 52 ROS 54 | API 2 3/8" Reg /API 3 1/2" Reg | ¢135-¢155mm | 1.0-2.5Mpa | 1.0Mpa | 9m3/min |
COP54 | |||||||
QL50 | |||||||
SD5 | 1.8Mpa | 15m3/min | |||||
M50 | 2.4Mpa | 23m3/min | |||||
6" | DHD360 | ROS 62 ROS 64 | API 3 1/2" Reg | ¢155-¢190mm | 1.0-2.5Mpa | 1.0Mpa | 10m3/min |
COP64 | |||||||
QL60 | |||||||
SD6 | 1.8Mpa | 20m3/min | |||||
M60 | 2.4Mpa | 28.5m3/min | |||||
8" | DHD380 | ROS 82 ROS 84 | API 4 1/2" Reg | ¢195-¢254mm | 1.0-2.5Mpa | 1.0Mpa | 15m3/min |
COP84 | |||||||
QL80 | 1.8Mpa | 26m3/min | |||||
SD8 | 2.4Mpa | 34m3/min | |||||
M80/M85 | |||||||
10" | SD10 | ROS 100 | API 6 5/8" Reg | ¢254-¢311mm | 1.0-2.5Mpa | 1.0Mpa | 22m3/min |
Numa100 | 1.8Mpa | 40m3/min | |||||
ROS 100 | 2.4Mpa | 55m3/min | |||||
12" | DHD1120 | ROS 120 | API 6 5/8" Reg | ¢305-¢445mm | 1.0-2.5Mpa | 1.0Mpa | 30m3/min |
SD12 | 1.8Mpa | 56m3/min | |||||
Numa120 | 2.4Mpa | 78m3/min | |||||
Notes: | |||||||
Metzke, Remet thread is available! | |||||||
Any special typ shank of DTH Hammer will be available by requests. |
DTH Bit
DTH bit is also our main product. After mang years search, we have rich experience in development and manufacturing high quality products, which adopted high-quality raw materials, advanced technology and passed through strictly inspection.
1.high and low air pressure down-the-hole drill bits
2.Low air pressure holeDia.:65-220mm
3.High air pressure hole Dia.:85-305mm
4.Face type:drop center/concave/convex/double gauge/flat
5.Our DTH Bit can be suitable for many types of DTH Hammer, such as XL, Mission, COP, IR, Mach, Demag, SD, Bulroc, Halco Mach, Digger etc.
ROSCHEN GROUP
ROSCHEN GROUP
ROSCHEN Group has the world class advanced equipment like 12000 tons forging, metal processing plant, heat treatment workshop, numerical control plant, Advanced five-axis machining center, etc. professional technical and skilled team to ensure mining, mineral tools, equipment products quality stable and reliable.
ROSCHEN Group Limited is a manufactory with years of research and development for the mining, mineral tools, equipment. We are capability to produce high performance world class products and control excellent quality. Our main product includes tricone bit, diamond core bits, drill pipe, core barrel, TCI tricone bit, mill tooth tricone bit, RC hammer, DTH bit, etc.
ROSCHEN Manufactory PROCESS
ROSCHEN Sales Value Growing Up!
ROSCHEN'S MISSION
1. Strive to create and supply Best quality products for the industry that last longer than the average products.
2. Provide excellent service for our clients. 24 hour-7 days /week schedule to get our clients what they need – FAST.