Product Introduction
Reverse circulation drilling (RC) is a drilling technique that allows samples to be retrieved with minimal contamination. Drilling is typically done using a down-the-hole, tricone, or triblade bit. The samples travel through rods to a sample splitter at surface, avoiding all contact between the samples and the borehole wall.
The reverse circulation drilling method has the capability of reaching depths of 500 meters. A pneumatic hammer-like device is used to hammer into the earth to remove rock samples which are then pushed up into the mining machine using compressed air. The samples are collected in a sample bag which is located within the machine. More than one sample bag can be collected which allows for more of a variety of samples to be analyzed. Sample bags are usually marked to show the location from which the sample was taken as well as the depth from which the samples are extracted.
Working Principle
The on-board compressor delivers power to a pneumatic reciprocating piston. The piston, in turn, drives a tungsten-steel drill bit which is purpose designed to be able to crush hard rock.
Similar to air core drilling, drill cuttings are returned to surface inside rods. We achieve this through the use of dual wall drill rods: an outer drill rod with an inner tube. When compressed air is blown through the rod, the volume displaces the air, lifting the samples to the surface.
Once cuttings reach a diverter at the top of the hole, they're moved through a hose and around the cyclone, which slows the sample down. From the cyclone the sample goes over a splitter that delivers a percentage of the entire sample into a sample bag. The exploration drilling team then collect the samples aligned to the hole depth and lay them out for the client to log, and then transport to the lab for assay.
Technical Parameters
RC5-SRC545 RC HAMMER
| Length(Without bit) |
Weight(Without bit) |
External diameter |
Bit Shank |
Hole range |
Connection thread |
| 1281mm |
65kg |
117.5mm |
SRC545 |
122-135 |
4''/4.5'' Remet 4''/4.5'' Metzke |
| Working Pressure |
Impact rate at 2.4Mpa |
Recommended rotation speed |
Air consumption |
| 1.5-3.5Mpa |
35HZ |
25-40r/min |
1.7Mpa |
2.4Mpa |
3.0Mpa |
| 16m3/min |
22m3/min |
28m3/min |
Product Features
1.Samples extracted are reliable and free of contaminants;
2.The method is timely and cost-efficient;
3.Well-suited for difficult terrains;
4.High penetration rates, and it has minimal environmental impact.
Detailed photo
About us:
At sollroc, customer satisfaction is our top priority. Our sales team takes a proactive approach in meeting customers' needs. We take the time to get to know you and learn about your operations so we can better assist you. We strive to meet customers' needs by supplying the tools and equipment you need when you need them, providing product support, and following through with excellent customer service every step of the way.
Delivery & Package
Delivery: By air, By sea or By express
Package: Ply-wooden cases + Pallet
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