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Address: Room9-616, No. 10 Zhenxing Road (MDW Plaza), Changping District, 102200 Beijing, China
Contact name:Yingkai Zhang
KSQ Technologies (Beijing) Co. Ltd |
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SD Series DTH Rock Drilling Hammers High Air Pressure With More Reliable of Air Distribution
SD (SD4 SD5 SD6 SD8 SD10 SD12) Series Series DTH Hammer Structure and Specification:
| Description | Weight(kg) | |||||
| SD4 | SD5 | SD6 | SD8 | SD10 | SD12 | |
| 1.Top sub | 6.50 | 15.00 | 20.00 | 41.00 | 59.00 | 70.00 |
| 2. O-ring Of Top Sub | 0.01 | 0.01 | 0.01 | 0.02 | 0.03 | 0.04 |
| 3.Breakout Ring | 0.01 | - | - | 0.20 | 0.30 | 0.80 |
| 4.Check Valve | 0.42 | 1.00 | 1.00 | 1.50 | 1.40 | 3.00 |
| 5. Spring | 0.04 | 0.10 | 0.05 | 0.10 | 0.30 | 0.10 |
| 6. Compression Buffer | 0.04 | 0.05 | 0.10 | 0.42 | 0.60 | 1.00 |
| 7. Air Distributor | 2.20 | 3.50 | 5.00 | 12.50 | 11.50 | 20.00 |
| 8. Internal cylinder | 2.50 | 4.20 | 5.00 | 8.60 | 11.00 | 23.00 |
| 9. Piston | 9.00 | 15.50 | 24.00 | 42.00 | 62.00 | 125.00 |
| 10. External Cylinder | 15.60 | 25.00 | 35.00 | 65.00 | 110.00 | 170.00 |
| 11. O-ring Of Stop Ring | 0.02 | 0.01 | 0.01 | 0.05 | 0.03 | 0.04 |
| 12. Stop Ring | 0.20 | 0.50 | 0.50 | 1.20 | 0.60 | 4.80 |
| 13. Guided Sleeve | - | - | 1.50 | 3.40 | 4.50 | 18.00 |
| 14. Breakout Ring | 0.01 | - | - | - | 0.30 | 0.80 |
| 15. Drive Chuck | 4.00 | 7.50 | 7.50 | 15.50 | 24.00 | 51.00 |
| 16. Drill Bit | 9.60 | 15.60 | 25.80 | 37.00 | 115.00 | 120.00 |
SD (SD4 SD5 SD6 SD8 SD10 SD12) Series DTH Hammer Technical Parameter
| Technical Data | ||||||
| Model | SD4 | SD5 | SD6 | SD8 | SD10 | SD12 |
| Length (Without Bit) | 1084mm | 1175mm | 1261mm | 1463mm | 1502mm | 1880mm |
| Weight (Without Bit) | 40.50kg | 72.50kg | 100.00kg | 192.00kg | 290.00kg | 487.00kg |
| External Diameter | φ99mm | φ126mm | φ142mm, φ144mm,φ146mm, φ148mm | φ180mm, φ185mm | φ226mm | φ275mm |
| Bit Shank | SD4 | SD5 | SD6 | SD8 | SD10 | SD12 |
| Hole Range | φ110 - φ135mm | φ135- φ155mm | φ155 - φ190mm | φ195 - φ254mm | φ254 - φ311mm | φ305 - φ445mm |
| Connection Thread | API 2 3/8 '' Reg | API 3 1/2 '' Reg, API 2 7/8 '' Reg | API 3 1/2 '' Reg | API 4 1/2 '' Reg | API 4 1/2 '' Reg, API 6 5/8 '' Reg | API 6 5/8 '' Reg |
| Working Pressure | 1.2 - 2.0 Mpa | 1.3 - 2.3 Mpa | 1.5 - 2.5 Mpa | 1.5 - 3.0 Mpa | 2.0 - 3.5 Mpa | 2.0 - 3.5 Mpa |
| Impact Rate at 17 Bar | 27HZ | 25HZ | 23HZ | 20HZ | 18HZ | 16HZ |
| Recommended Rotation Speed | 25 - 40 r/min | 30 - 35 r/min | 20 - 30 r/min | 5 - 25 r/min | 20 - 30 r/min | 15 - 25 r/min |
| Air Consumption | 1.0Mpa: 6 m³/ min | 1.0Mpa: 9 m³/ min | 1.0Mpa: 10 m³/ min | 1.0Mpa: 15 m³/ min | 1.0Mpa: 22 m³/ min | 1.0Mpa: 30 m³/ min |
| 1.8Mpa: 10 m³/ min | 1.8Mpa: 15 m³/ min | 1.8Mpa: 20 m³/ min | 1.8Mpa: 26 m³/ min | 1.8Mpa: 40 m³/ min | 1.8Mpa: 56 m³/ min | |
| 2.4Mpa: 15 m³/ min | 2.4Mpa: 23 m³/ min | 2.4Mpa: 28.5 m³/ min | 2.4Mpa: 34 m³/ min | 2.4Mpa: 55 m³/ min | 2.4Mpa: 78 m³/ min | |
The Characteristics of High Air Pressure DTH Hammers With Foot Valve:
It is a kind of valveless high air pressure DTH hammer with foot valve.
Valveless air distribution hammer, more reliable of air distribution.
Good sealabIlity, no water and cuttings entering into hammer in water exists drilling.
SD Series DTH Hammers Features:
1. Valveless air distribution, more reliable.
2. The simple design of the piston. Long life span.
3. More efficient energy transfer, faster drilling speed, low air consumption, and lower oil consumption.
4. Fewer internal parts, simple structure, long life span, less failure and easier to maintain because all the parts are heat treated.
5. Easy to disassemble because the top sub, the drive chuck, and the external cylinder are connected by multiple steps thread.
SD Series DTH Hammers Advantages:
1. Simple and reasonable design, easy to assemble and dis-assemble,
low problem rate.
2. Low air consumption, smooth drilling, maximum impact power, high
penetration rate.
3. Multiple precise heat-treatment with all hammer parts to provide
long lifespan under roughest working conditions.
Applications
Available for all working conditions, high performance in overburden and water well drilling projects
Rock Drilling Tools Brand MIROC®
The MIROC® Rock Drilling Tools product line by KSQ Technologies (Beijing) Co.Ltd. is the result of years of advanced engineering, precision manufacturing, and dedication to the use of high-quality materials.
MIROC® Rock Drilling Tools are used by many drilling professionals related to mining, construction, tunneling, and quarrying projects around the globe.
MIROC® Rock Drilling Tools include:
Company
KSQ Technologies (Beijing) Co. Ltd.provides exceptional technical know-how in development, production,
and application. The company has adopted advanced manufacturing
processes to ensure high-quality steels and tungsten carbide
inserts for its rock drilling accessories. Its personnel understand
clients’drilling needs and have the service skills to recommend the
right drilling tools for the job.
Its experienced product developers can also create custom tools. Furthermore, the company’s development team introduces innovative products each year – tools that are rigorously tested in the field and proven to perform beyond industry expectations.
