OEM Factory for Ql50 Dth Drill Bit - Concentric casing system with blocks – Spark
OEM Factory for Ql50 Dth Drill Bit - Concentric casing system with blocks – Spark Detail:
Application
Piling, anchoring, foundation
Component parts
Operation procedure
Step1: When drilling starts, the system drives the casing shoe and casing tube move down.
Step2: When reaching the bedrock, lift up the block system, the blocks will closed, reverse rotation and pull out the block system from the hole.
Step3: If the hole have reach the desired depth, finish the drilling and continue other process.
Step4: If you still want to drill deeper, use the conventional DTH bit to drill to the desired depth.
Advantages
Reliable performance, easy to retrieval
Ralated part list
Specification of concentric casing system with blocks
|
D |
|
h |
H |
C |
G |
|
|
|
|
|
Model |
O.D. of Casing Tube (mm) |
I. D. of Casing Tube (mm) |
Wall thickness of casing (mm) |
Guide device max. Dia. (mm) |
Reamed Dia. (mm) |
Max. dia. of normal bit (mm) |
Qty. of blocks |
Hammer Type |
Weight（KG） |
|
T185 |
219 |
199 |
10 |
197 |
234 |
185 |
3 |
COP64/DHD360/SD6/QL60/M60 |
61 |
|
T210 |
245 |
225 |
10 |
222 |
260 |
210 |
3 |
COP84/DHD380/SD8/QL80/M80 |
88 |
|
T240 |
273 |
253 |
10 |
251 |
305 |
240 |
3 |
COP84/DHD380/SD8/QL80/M80 |
96.5 |
|
T280 |
325 |
305 |
10 |
302 |
350 |
240 |
3 |
COP84/DHD380/SD8/QL80/M80 |
115 |
|
T305 |
355 |
325 |
10 |
322 |
380 |
305 |
3 |
DHD112/NUMA120/SD12 |
214 |
|
T365 |
406 |
382 |
12 |
380 |
432 |
365 |
4 |
DHD112/NUMA120/SD12 |
254 |
|
T432 |
480 |
454.6 |
12.7 |
450 |
505 |
432 |
4 |
TK14 |
415 |
|
T460 |
508 |
482.6 |
12.7 |
479 |
534 |
461 |
4 |
NUMA180 |
630 |
|
T510 |
560 |
534.6 |
12.7 |
530 |
590 |
510 |
4 |
NUMA180 |
730 |
|
T553 |
610 |
584.6 |
12.7 |
582 |
639 |
553 |
4 |
NUMA180 |
895 |
|
T596 |
660 |
628 |
16 |
625 |
690 |
596 |
4 |
NUMA180 |
946 |
|
T645 |
711 |
679 |
16 |
675 |
741 |
645 |
4 |
NUMA180 |
1010 |
|
T694 |
762 |
730 |
16 |
726 |
792 |
694 |
4 |
NUMA240 |
1595 |
|
T744 |
813 |
781 |
16 |
776 |
845 |
744 |
6 |
NUMA240 |
2436 |
|
T846 |
914 |
882 |
16 |
878 |
946 |
846 |
6 |
NUMA240 |
2756 |
|
T948 |
1016 |
984 |
16 |
980 |
1050 |
948 |
6 |
NUMA240 |
3076 |
Product detail pictures:
Related Product Guide:
We rely upon strategic thinking, constant modernisation in all segments, technological advances and of course upon our employees that directly participate in our success for OEM Factory for Ql50 Dth Drill Bit - Concentric casing system with blocks – Spark , The product will supply to all over the world, such as: Ghana, Algeria, Turkey, We've got more than 10 years experience of production and export business. We always develop and design kinds of novel items to meet the market demand and help the guests continuously by updating our goods. We've been specialized manufacturer and exporter in China. Wherever you are, make sure you join us, and together we will shape a bright future in your business field!
By Judith from Somalia - 2017.07.07 13:00
The sales person is professional and responsible, warm and polite, we had a pleasant conversation and no language barriers on communication.
By Fay from Maldives - 2018.09.29 13:24
