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Reverse Circulation Hammer
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| Place of Origin | CHINA |
| Brand Name | ROSCHEN |
| Certification | ISO |
| Model Number | 3" ~ 5" |
High Strength 4 Inch RE545 Reverse Circulation Hammer Drilling Reverse Circulation Drill Rod
RC Hammer Drilling Quick details
Application Range: Geological exploration,ore mining.
Design Principles: To arrive at target depth exactly and improve the productive efficiency with low cost,durable using.
Features:
Dth Hammer Drilling Introduction
Reverse Circulation is used in drilling programs for initial exploration and also for resource definition. There are two types of RC drilling. One is RC with hammer, used in medium and hard rock that can reach depths up to 800m. Rods are usually 4" and 4 ½" diameters.
The other is Air Core drilling used in softer oxide and clay ground to depths of 100m using Air Core & Vacuum Bits designed specifically for the type of ground conditions. RC Rods used for Air Core drilling are normally 3" to 3 ½". Roschen's has broad experience in the design and manufacture of Air Core Drilling equipment to suit a variety of ground conditions.
Roschen offers a complete line of premium quality reverse circulation, drill rods, in sizes from 3 1/2" to 10 3/4", and with a number of thread connections. All Reverse Circulation rods are manufactured using the most advanced technologies and specifically engineered to provide high strength, excellent wear resistance, and long life.
RC, dual wall drill rods are manufactured with an outer drill rod and an inner tube located inside the rod. When the drill rods are threaded together, the inner tubes seal together to provide a continuous route for cuttings to travel from the bit face to the surface for collection.
Reverse circulation Hammer Drilling Parameters
| Reverse circulation (RC) Hammer Quick Reference | ||
| Size | RC Hammer Model | ROSCHEN RC Hammer Model |
| 3" | RC Hammer RE035 | ROS RC 35 |
| 4-4 1/2" | RC Hammer RE004 | ROS RC 40 |
| RC Hammer RE540 | ROS RC 45 | |
| 5" | RC Hammer RE040 | ROS RC 50 |
| RC Hammer RE542 | ROS RC 50 | |
| RC Hammer RE543 | ROS RC 50 | |
| RC Hammer RE545 | ROS RC 50 | |
| 5-5 1/2" | RC Hammer RE052 | ROS RC 55 |
| RC Hammer RE547 | ROS RC 55 | |
| 5 1/2-5 3/4" | RC Hammer RE054 | ROS RC 55 |
| RC Hammer RE140 | ROS RC 55 | |
| REVERSE CIRCULATION DRILL ROD SPECIFICATIONS | |||||||
| Thread Type | Remet | Remet | Remet | Metzke | Metzke | Matrix | Matrix |
| Rod O.D. | 3 1/2" | 4" | 4 1/2" | 4" | 4 1/2" | 4" | 4 1/2" |
| Outer Tube O.D. | 88.9mm | 101.7mm | 114.3mm | 101.7mm | 114.3mm | 101.7mm | 114.3mm |
| Outer Tube I.D. | 81.8mm | 94.6mm | 107.2mm | 94.6mm | 107.2mm | 94.6mm | 107.2mm |
| Outer Tube W.T. | 5.3mm | 7.1mm | 7.1mm | 7.1mm | 7.1mm | 7.1mm | 7.1mm |
| Inner Tube O.D. | 38.1mm | 50.8mm | 63.5mm | 50.8mm | 63.5mm | 50.8mm | 63.5mm |
| Inner Tube I.D. | 32.6mm | 45.3mm | 58mm | 45.3mm | 58mm | 45.3mm | 58mm |
| Inner Tube W.T. | 5.5mm | 5.5mm | 5.5mm | 5.5mm | 5.5mm | 5.5mm | 5.5mm |
| Spanner Flat | 90mm | 90mm | 90mm | 90mm | 90mm | 90mm | 90mm |
| Weight 3.0m | 75kg. | 75kg. | 95kg. | 75kg. | 95kg. | 75kg. | 95kg. |
| Weight 6.0m | 120kg. | 150kg. | 168kg. | 150kg. | 168kg. | 150kg. | 168kg. |
Please contact your Roschen representative for additional details, and ordering assistance.
Reverse Circulation Hammer Drilling Application
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