Atlas Copco 5 Inch DTH Drill Hammer For Hard Rock Mining Down The
Hole Hammer
KSQ DTH hammer include high air pressure and low air pressure two
series,with advanced design concept, better wear-resistance,better
impact-resistance, higher drilling speed, longer service life,
widely used in large-scale open pit mining, quarry and other
large-scale construction projects.
| Product name | DHD350 hammer down the hole hammer and rock drill bits |
| Details | 1, Material : Element Six Tugestun Carbide + Top quality Alloy
Steel 2, Workmanship : Hot pressed & Cold pressed 3, Advantage : Quality can compare with world's famous brand . |
| Application | Water Well , Mining , Quarrying , Construction . |
| Shank type | DHD , QL , SD , TD , MISSION , MD , W , COP , MACH , CIR , BR ,MACH
, etc . |
| Working pressure | Low air pressure : 5-7bar . High air pressure : 7-35bar |
| Button bit type | Hemispherical & Parabolic & Conical & Ballistic |
| Face type | Flat front & Convex & Concave & DGR face |
| Top sub thread | 2-3/8" , 3-1/2" , 4-1/2" API reg pin |
DTH HAMMER DETAILS:
| DTH hammer type | HD55 | HD55C | HSD5 | HQL5 |
| Length(less bit) mm | 1214 | 1160 | 1175 | 1156 |
| Weight(less bit) kg | 76.5 | 72.5 | 72.5 | 73 |
| External diameter mm | Φ125 | Φ125 | Φ125 | Φ125 |
| Bit shank | COP54 DHD350R | HD55C DHD350Q | SD5 | QL50 |
| Hole range(mm) | Φ135-155 | Φ135-155 | Φ135-155 | Φ135-155 |
| Connection thread | API 2 3/8"Reg | API 2 3/8"Reg | API 3 1/2"Reg | API 3 1/2"Reg |
| API 3 1/2"Reg | API 3 1/2"Reg | | |
| Working pressure | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa |
| Impact rate at 1.5-1.7Mpa | 25Hz | 25Hz | 25Hz | 25Hz |
| Recommended Rotation speed | 20-35r/min | 20-35r/min | 20-35r/min | 20-35r/min |
| Air consumption | 1.0Mpa | 9.0m3/min | 9.0m3/min | 9.0m3/min | 9.0m3/min |
| 1.8Mpa | 15.0m3/min | 15.0m3/min | 15.0m3/min | 15.0m3/min |
| 2.4Mpa | 23.0m3/min | 23.0m3/min | 23.0m3/min | 23.0m3/min |
Advantages
| dth hammer: | dth hammer spare parts |
| More efficient energy transfer. | Valveless air distribution. More reliable. |
| Faster drilling speed, 15%-30% higher than others. | Simple design of the piston, long life |
| Lower air consumption and lower oil consumption. oil consumption is
about 10% lower than others | Fewer internal parts, simple structure, longer life, less failure
and easier to maintain because all the parts are heat treated. |
| Direct factory price | Easy to disassemble because the top sub, the drive chuck and the
external cylinder are connected by multi-step thread. |
For open mining, quarry mining, earth excavation, water conservancy
and hydropower, highway bridge blasting hole blasting engineering
field
Company Information:
KSQ Technologies (Beijing) Co. Ltd. has significant experience and
know-how in the supply of materials, components, finished goods,
specially designed/engineered equipment, and services from China.
The company caters to medium to large scale clients who are doing
projects and capital expansion, as well as to firms who require
support with consumable products, maintenance, and repair
operations.
Warranty of dth hammers:
In the early use if the dth hammer, rupture appears on parts such
as external cylinder, piston and drive chuck ect. the broken parts
can be compensated according to the situation.
Internal package : By carton box with foam ,one pc dth hammer per
carbox
External package: By wooden box, one pc dth hammer per wooden box.
Round-sealed package can prevent damaging during delivery.
Delivery ways of dth hammers:
Sample order can delivery by Air or International express, such as
DHL, UPS, Fedex, ect.
Batch orders can delivery by Air , By truck or by Sea
We can choose most favorable delivery ways for our customers
