High Air Pressure DHD380 Down The Hole 8 inch Hammer specialize in open pit blast hole drilling
Related Products
DTH Hammer and bits are used by many drilling professionals related to mining,construction,tunneling,quarrying projects,water well around the globe. KSQ company can offer you competitive advantage products, down the hole hammer and bits(dth hammers and dth bits),drill pipes, threaded drilling tools, reverse circulation hammers and bits, shank adapters and coupling sleeves for drilling equipment.
Product Description
In DTH hammers, the rock drilling bit is a continuation of the shank, which the rock drill piston strikes directly. Since the piston is in direct contact with the drill bit, little energy is lost. This gives DTH hammers a nearly constant penetration rate regardless of hole length
| Product Structure | Part Description | Weight(Kg) | Part Number |
 | 1 Top Sub | 34.6 | QL80A-01 |
| 2 "O" Ring of Top Sub | 0.02 | QL80A-02 |
| 3 Breakout Ring of Top sub | 0.35 | QL80A-03 |
| 4 Check Vavle | 0.90 | QL80A-04 |
| 5 Spring | 0.10 | QL80A-05 |
| 6 Air Distributor | 6.40 | QL80A-06 |
| 7 Internal Cylinder | 6.30 | QL80A-07 |
| 8 Piston | 41.5 | QL80A-08 |
| 9 ExternalCylinder | 65.5 | QL80A-09 |
| 10 Guided Sleeve | 10.0 | QL80A-10 |
| 11 "O" Ring of Stop Ring | 0.02 | QL80A-11 |
| 12 Stop Ring | 1.20 | QL80A-12 |
| 13 Breakout Ring of Drive Chuck | 0.35 | QL80A-13 |
| 14 Drive Chuck | 13.60 | QL80A-14 |
| 15 Drill bit | | QL80A-15 |
| | | |
| | | |
Products features: Bit without foot valve, high impaction frequency. fast drilling speed, low consumption of impaction energy.
Application: Available for all working conditions specialize in open pit blast hole drilling with mid-high air presstion. |
Lengtgh
(Without bit) | Weight
(Without bit) | External diameter | Bit Shank | Hole Range | Connection Thread (Top sub- drill pipe) |
| 1330mm | 182kg | ɸ185mm | QL80A | ɸ195-ɸ254mm | API 4 1/2" |
| Working Pressure | Impact rate at 14bar (reference) | Speed recommended | Pull force recommended | Reference Air consumption(m3/min) |
| 10-30Bar | 22Hz | 320-45rpm | 18kN | 14Bar | 17.2Bar | 20.7Bar | 24Bar |
| 18.67 | 24.53 | 30.87 | 39.24 |
Main Features:
1.The operating air pressure are between 18.67Mpa and 24.53Mpa.
2.Valveless hammers.
3.Simple structure,easy to assemble and to disassemble,long life span.
4.Higher impact frequency and faster drilling speed.
5.Higher air consumption and higher oil consumption.A hole can be drilled on the check valve to provide more efficient cuttings discharge.
6.Especially suitable for quarrying.
Packing:
High Air Pressure DTH hammers(3''-12'') we can offer:
1.ND(DHD Shank) series high air pressure DTH hammer includes:DHD3.5,DHD340,DHD350R,DHD360,DHD380,DHD1120
2.QL series high air pressure DTH hammer includes:QL40,QL50,QL60,QL80
3.SD series high air pressure DTH hammer includes:SD4,SD5,SD6,SD8,SD10,SD12
4.NUMA series high air pressure DTH hammer includes:NUMA100,NUMA120,NUMA125
5.COP series high air pressure DTH hammer includes:COP44,COP54,COP64,COP84
Connect Thread : API 2 3/8" , API 3 1/2 , Reg-6 5/8"Reg etc.
Company Information:
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.
Product Tags:
|
|
Dhd380 Down To Hole Hammer 8 Inch Specialize In Open Pit Blast Hole Drilling Images
|
