Reverse circulation Hammer
1.efficient energy transfer
2.faster drilling speed
3.lower oil consumption
4.longer life,less
DTH hammer
With professional manufacturing experience in DTH hammer production, our factory can supply you with high pressure and medium to low pressure DTH hammers. It strictly matches with API standard and other Chinese industry standards.It is durable for being produced with advanced craftwork and good material.
It also has the following advantages:
1. Deliver maximum energy to drilling bit, fast drilling speed and low air consumption due to the special inner structure of HD series DTH hammer designed according to newest rock drilling theory.
2. Smooth performance and long service life of HD series DTH hammer due to high quality alloy steel materials and advanced processing technology adapted.
3. Low problem rate and easy to maintenance due to simple, reliable and easy assemble and disassemble inner structure of hammer.
4. Easy to depart bit from hammer due to multi-head thread connecting chuck and cylinder of hammer.
5. Interchangeable with DTH bit and drill pipe
DTH hammer type |
HD35 |
HD45 |
HD55 |
Length(less bit) |
930mm |
1030mm |
1170mm |
Weight(less bit) |
24.5kg |
39.2kg |
71.5kg |
External diameter |
Φ81mm |
Φ99m |
Φ125m |
Bit shank |
IR3.5"COP34 |
COP44/DHD340 |
COP54/DHD350R |
Hole range(mm) |
Φ90-110 |
Φ110-135 |
Φ135-155 |
Connection thread |
API 2 3/8" Reg. |
API 2 3/8" Reg. |
API 2 3/8" Reg. |
| | |
API 3 1/2" Reg. |
Working pressure |
0.5-2.5Mpa |
0.5-2.5Mpa |
0.5-2.5Mpa |
Impact rate at 17 Bar |
28Hz |
27Hz |
25Hz |
Recommended Rotation speed |
28r/min |
25-40r/min |
20-30r/min |
Air consumption |
10bar |
80L/s |
100L/s |
1450L/s |
18bar |
1600L/s |
180L/s |
280L/s |
24bar |
210L/s |
250L/s |
390L/s |
DTH hammer type |
HD55C |
HD65 |
HD85 |
Length(less bit) |
1160mm |
1248mm |
1487mm |
Weight(less bit) |
70.00kg |
98.00kg |
188.00kg |
External diameter |
Φ125mm |
Φ142m |
Φ180m |
Bit shank |
HD55CDHD350Q |
COP64/DHD360 |
COP84/DHD380 |
Hole range(mm) |
Φ135-155 |
Φ155-190 |
Φ195-254 |
Connection thread |
API 2³/8" Reg. |
API 2³/8" Reg. |
API 41/2" Reg. |
API 31/2" Reg. | | |
Working pressure |
0.5-2.5Mpa |
0.5-2.5Mpa |
0.5-2.5Mpa |
Impact rate at 17 Bar |
25Hz |
23Hz |
20Hz |
Recommended Rotation speed |
20-30r/min |
15-25r/min |
15-20r/min |
Air consumption |
10bar |
140L/s |
175L/s |
190L/s |
18bar |
280L/s |
3400L/s |
370L/s |
24bar |
390L/s |
475L/s |
495L/s
|
Pictures:
Xiamen Bestlink Factory Co., Ltd.Is committed to providing the best drilling and cutting machines, tools and accessories products in marble and granite stone quarrying, as well as in civil engineering application, especial demolition project.Our company is now a leading manufacturer of cutting and drilling equipment for the extraction of marble, granite and ornamental stones in China.
Since 1985, we have produced and supplied high quality Split AG Non-Explosive Demolition Agent to our worldwide customers in the quarrying and demolition industries.
From early 2000, we have made a start in the study and developed the Hydraulic Rocks and Concrete Splitters by patent inventions, and reached a great success in the domestic and overseas market.Now, we are only a producer and exporter just now from China.
In 2004, we developed and produced the patented products:Hydraulic Rock Drill, Stone holes Groover, Stone Crack Expander and Hydraulic Rock Breaker.We offer a vast range of hydraulic and pneumatic drills and machines for diamond wire cutting as well as all kinds of accessories for quarrying activities.
Now, quality products are being exported to more than 45 countries and regions all over the world including the USA and Europe with high reputation.
We are continually looking for ways to develop drilling and cutting technology for quarrying and demolition, and hoping to be the world No.1 company about quality and prices of hydraulic Splitters and Expansive Cement within 5 years.Thank you very much for your support and wish to get your deep interest and be your best partner.
