ROSCHEN GROUP
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Coal Mining Reverse Circulation Hammer With Lightweight Bit Design
Reverse Circulation Hammer Features
1. Although the process can be costly the overall drilling costs can actually be reduced by up to 40% when using reverse circulation drilling.
2. Results from reverse circulation drilling can be revealed much faster as the completion of the drilling process is done quickly.
3. The method is safe to use and requires fewer man hours.
4. Reverse circulation drilling requires less water than other mining methods.
5. Reverse circulation drilling is simple and easy.
6. Samples can be easily arranged into boxes stating where the sample was collected and at what depth the sample was collected which will help those studying the samples to pinpoint exactly where the mineral deposit is located. This will help a mining company or a group of researchers to quickly and easily locate the exact area and depth from which the sample was discovered.
Reverse Circulation Hammer 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.
FAQ
Terms & Conditions of Ordering:
Quality warranty:
Our products are made of high quality steel and all spares parts are inspected strictly before shipping. We have quickly responses for your complaint and suggestion.
Package:
Using ply-wooden cases and pallet for package to protect the products and avoid the damage during transportation. Also we can customize package according to your special requests.
Production time:
Generally need 15-25 days
Transportation:
By air, By Express or By sea according to your requests.
1. Methods of Payment:
T/T (Telegraphic Transfer) or Western Union or L/C at sight
2. Handling time for an order
Based on order quantity, normally it takes 20 days for production.
in 3 working days after receiving the advance payment
3. Shipping way
Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: we suggest by air or by sea.
4. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.
5. After Services:
a. Our sales team will response for your question within 24 hours (Holidays Excluded)
b. Technical Support will be available in any time
6. Quality & Service:
A. There will be strict inspection and testing for every order before shipping out.
B. Our sales team and Technical Support will response for your question within 24 hours through skype: ROSCHEN.TOOL and WhatsApp/Wechat: +86-13764195009
C. Free replacement will provide once the failure confirmed caused or our product quality; Not satisfied with a refund.