ROSCHEN GROUP
| Payment Terms | L/C, T/T, Western Union, MoneyGram |
| Packaging Details | Plywood Case |
| Name | Down Them Hole Hammer,DTH Hammer |
| Brand | ROSCHEN |
| Scope of Application | Open rock drilling, tunnel engineering |
| Hole Drilling speed(mm/min) | 840 (mm/min) |
| Size (mm) | 110 |
| Impact frequency | 840(Hz) |
| Brand Name | ROSCHEN |
| Model Number | CIR110A |
| Certification | ISO9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T, Western Union, MoneyGram | Packaging Details | Plywood Case |
| Name | Down Them Hole Hammer,DTH Hammer | Brand | ROSCHEN |
| Scope of Application | Open rock drilling, tunnel engineering | Hole Drilling speed(mm/min) | 840 (mm/min) |
| Size (mm) | 110 | Impact frequency | 840(Hz) |
| Brand Name | ROSCHEN | Model Number | CIR110A |
| Certification | ISO9001 | Place of Origin | China |
| High Light | down hole tools ，down hole hammer | ||
CIR110A Downhole Drill Hammer Drill Downhole Drill Impact Drilling and Mining Accessories
| Name | Down Them Hole Hammer,DTH Hammer |
| Brand | ROSCHEN |
| Scope of Application | Open rock drilling, tunnel engineering |
| Hole Drilling speed(mm/min) | 840 (mm/min) |
| Size (mm) | 110 |
| Model | CIR110A |
| Drill Hole Diameter (mm) | 110-120 (mm) (mm) |
| Impact energy (MPa) | 0.5-0.7 |
| Hole depth (M) | 200 M |
| Impact frequency | 840(Hz) |
| Coat diameter | 98mm |
CIR110A Downhole Hammer Product Details:
Drilling diameter: Φ110--120mm
Jacket diameter: Φ98mm
Total length: 838mm
Weight: 36kg
Working pressure: 0.5-0.7Mpa
Air consumption: 11m3/min
Impact frequency: 840 times / min
DTH Drill Hammer Model Specification Dimensions
| Model | Drill Hole Dia. (mm) | Casing OD (mm) | Length (mm) | Weight (kg) | Work pressure (MPa) | Air consumption (m3/min) | Impact frequency (T/min) |
| 65A DTH Hammer | Ø65-67 | 61 | 745 | 13 | 0.5-0.7 | 2.5 | ≥810 |
| 70A DTH Hammer | Ø74-76 | 67 | 766 | 15 | 0.5-0.7 | 3 | ≥810 |
| 80A DTH Hammer | Ø80-82 | 72 | 796 | 17 | 0.5-0.7 | 5.5 | ≥810 |
| 90 DTH Hammer | Ø90-100 | 80 | 796 | 22 | 0.5-0.7 | 7 | ≥840 |
| 90A DTH Hammer | Ø90-100 | 80 | 796 | 22 | 0.5-0.7 | 6 | ≥840 |
| 900 DTH Hammer | Ø90-100 | 80 | 870 | 24 | 0.8-1.2 | 5 | ≥700 |
| 930 DTH Hammer | Ø90-100 | 80 | 870 | 24 | 0.8-1.2 | 6 | ≥700 |
| 110A DTH Hammer | Ø110-120 | 98 | 838 | 36 | 0.5-0.7 | 11 | ≥840 |
| DHD340 DTH Hammer | Ø110-140 | 98 | 1045 | 39 | 1.2-2.0 | 3.5-15 | ≥1140 |
| DHD350 DTH Hammer | Ø135-155 | 122 | 1213 | 57 | 0.6-2.5 | 7.5-9 | ≥1140 |
| DHD360 DTH Hammer | Ø152-190 | 139 | 1300 | 98 | 0.6-2.5 | 10.5-19 | ≥1140 |
CIR110A DTH Hammer Common Troubleshooting Methods
| Malfunction | reason | Method of exclusion |
| Air supply does not impact | 1. There is foreign matter at the disc valve and the check valve is stuck. | Disassemble the impactor for cleaning and inspection. |
| 2. The lubricating oil is too viscous to stick the piston. | Open the check valve, add a small amount of kerosene or petrol flush, and then replace the thinner lubricant. | |
| 3. After the drill bit sticks out, it will snap to the front joint and cannot be reset. | Remove the drill head for maintenance. | |
| 4. Poor lubrication, piston and cylinder bite. | Dismantle and overhaul, replace parts when necessary, and improve lubrication conditions. | |
| 5. Install wrong or missing parts. | Reassemble according to the structure diagram | |
| Shockless | 1. The rubber ring is damaged, the adjusting pad and the gasket are not pressed. | Replace apron, increase gasket |
| 2. Severe wear of pistons, cylinders, etc. | Replace parts |
CIR110A Downhole Drill Impactor Operation Precautions:
1. In normal rock drilling conditions, the impactor is serviced and cleaned and reassembled every 200 hours of operation. Drilling holes or mud slagging is performed every 100 hours.
2. The lubrication of the impactor is achieved through the oiling device on the main engine. Therefore, it is necessary to ensure that the oiling device is filled with oil before the start of each shift, and there is still a surplus before the next shift begins. The lube oil is mechanical oil No. 20 in summer and No. 5-10 mechanical oil in winter. Before the impactor is installed on the drill pipe, the exhaust valve is operated to remove the debris in the drill pipe and check whether there is oil in the drill pipe. Check the impact device after connecting.
3. The impactor and the drill rod must not be reversed in the hole to prevent accidents. In the process of drilling down the hole, if you want to stop drilling, you should not stop the air supply to the impactor immediately. You should lift the drill and blow it, and stop the gas supply when there is no more rock and rock powder in the hole. , Then stop turning.
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Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Seller
Year Established:
1921
Total Annual:
5000-2000000
Employee Number:
100~500
Ecer Certification：
Verified Supplier
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, mine... 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, mine...
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