Products Description LEANOMS
As a member of the DHD family, the 3 Inch DHD3.5 DTH Hammer is also suited to drilling water wells, geothermal heating wells, and micropile holes for foundations. The DHD3.5 DTH Hammer is great for all types of drilling applications including residential geothermal, production quarrying, seismic, and small building drills. The 3 Inch DHD3.5 DTH Hammer is designed with proven technologies that operate on the high end of the productivity spectrum when compared with other tools on the market. By directing the impacting power down the hole, DOWN THE HOLE drilling is a type of large-diameter borehole drilling. DTH drilling tools are frequently used in open-pit mining because of their high straightness, clean hole wall, good rigidity of the drill pipe and hammer, lack of high axial thrust, lack of drilling depth restriction, and low cost.
A DTH hammer, also known as a down-the-hole hammer, is a drilling tool used in mining, construction, and exploration projects. The hammer is attached to the end of a drill pipe, which is then driven into the ground using a powerful air compressor. Once the hammer reaches the desired depth, it is used to break up the rock or soil, allowing the drill bit to advance further.
DHD3.5 DTH Hammer is designed to work in tough and challenging environments, such as hard rock formations and deep boreholes. They are made from high-quality materials, including steel alloys, that are durable and resistant to wear and tear. This allows them to withstand the high-impact forces and vibrations that occur during drilling operations.
One of the main advantages of using a DTH hammer is its ability to drill faster and more efficiently than traditional drilling methods. The DHD3.5 DTH Hammers design allows for rapid penetration rates and reduces the risk of deviation or deviation of the borehole. Additionally, because the hammer is driven by compressed air, there is less risk of groundwater contamination or other environmental damage.
DTH hammers also offer greater flexibility in terms of drill bit selection. They can accommodate a wide range of drill bit sizes and shapes, allowing operators to customize their drilling operations to suit specific geological conditions.
In terms of production materials, DHD3.5 DTH Hammer is typically made from high-strength steel alloys, such as chrome-molybdenum or chrome-nickel-molybdenum. These alloys are chosen for their excellent mechanical properties, including high hardness, toughness, and corrosion resistance.
In conclusion, DTH hammers are powerful and efficient drilling tools that are widely used in the mining, construction, and exploration industries. Their ability to drill rapidly and accurately, combined with their durability and flexibility, make them an ideal choice for a variety of drilling applications.
Specification LEANOMS
Technical Parameters Of DHD3.5/IR3.5 DTH Hammers
| Bit Shank |
DHD3.5/IR3.5 |
|
Hole Range |
90-110mm |
|
Connection Thread |
API 2 3/8" Reg |
|
Working Pressure |
7-25Bar / 0.7-2.5Mpa |
|
Speed Recommend |
30-70rpm |
|
Pull Force Recommend |
6KN |
Technical Parameters Of DHD3.5/IR3.5 DTH Bits
|
Diameter |
Gauge Buttons |
Front Buttons(mm) |
Weight(KG) |
Part Number |
||||
|
mm |
Inch |
Flat Face |
Convex Face |
Concave Face |
Face Type |
|||
|
90 |
3 1/2 |
Φ14*6 |
Φ12*2 |
Φ13*2 |
/ |
Convex Face |
4.5 |
LN-DHD3.5-90CV |
|
90 |
3 1/2 |
Φ14*6 |
Φ12*4 |
/ |
/ |
Flat Face |
4.5 |
LN-DHD3.5-90FF |
|
95 |
3 3/4 |
Φ14*6 |
Φ13*2 |
Φ13*2 |
/ |
Convex Face |
4.6 |
LN-DHD3.5-95CV |
|
100 |
3 15/16 |
Φ14*6 |
Φ13*2 |
Φ13*3 |
/ |
Convex Face |
4.8 |
LN-DHD3.5-100CV |
|
105 |
4 1/8 |
Φ14*6 |
Φ13*2 |
Φ13*3 |
/ |
Convex Face |
5.0 |
LN-DHD3.5-105CV |
|
105 |
4 1/8 |
Φ13*8 |
Φ12*6 |
/ |
/ |
Flat Face |
5.0 |
LN-DHD3.5 |
Why choose us LEANOMS
Along with being a trusted supplier to numerous prestigious mining companies and contractors around the world, LEANOMS is a top supplier in the tunnel construction sector.
Our mission:
Focus on drilling clients' requirements and challenges, and continue to help them reduce drilling
costs and create greater productivity. Make the drilling works more successful.








