Active Member
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[China]
Address: Guangyang Plot, Langfang City, Hebei Province, China
Contact name:janne
Langfang pangolin construction machinery co. LTD |
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Horizontal Directional Drilling Pilot Hammer For Mine
Features
1. The bit impacts rock quickly, the rock drilling speed is fast, and
the rock breaking efficiency is high.
2. The drill bit has high wear resistance and can hit more meters.
3. High-efficiency drill bits can be optimized and customized
according to rock structure.
Advantages
1. The hard alloy tooth material adopts high wear-resistant
formula, and the tooth breaking rate is less than 2%.
2. The trouser body is made of high-strength and high-quality alloy
steel. After advanced heat treatment, the breaking rate of pants is
less than 1%.
3. Using advanced CNC machining technology and advanced alloy tooth
assembly technology, the tooth loss rate is less than 1%.
Product parameters
| Bit Diameter | 5 1/2” |
| Pneumatic DTH hammer | Ø125mm |
| Curved sub | 1° and 1.5° |
| Air consumption | 20-30m3/Min |
| Working pressure | 0.7-2.4Mpa |
| Strength | ≥2800N |
| Hardness (HRA) | ≥92 |
| Wind pressure | 0.5-0.7Mpa |
| Drilling depth | 500 m |
| Drilling angle | 38 (°) |
| Dimensions | 80-220 (mm) |
| Weight | 0.06 (t) |
| Drill pipe threads | NC23 NC26(2 3/8IF) D50 D80 NC31(2 7/8IF) NC38(3 1/2IF) |
Introduction
Use HDD pilot hammer to cooperate with drilling rig and
corresponding drilling tools for impact rotary drilling. The HDD
guide hammer is connected to the bottom end of the drill rod. The
drill rig drives the drill rod to rotate. Compressed air passes through the drill pipe into the HDD pilot
hammer, generating a certain frequency of impact force to break the
rock. At the same time, waste gas is used to cool the hammer head.
Drain the cuttings out of the cave.Since the outer diameter of the HDD pilot hammer is smaller than
the drill bit diameter, the pilot hammer can be lowered into the
hole as the depth of the drill bit increases. Compared with the
pneumatic drill that impacts outside the hole, its impact power
loss is small and it can drill deeper holes.
Field of use
The method is suitable for drilling hard rock strata, and the
drilling is not easy to deviate. Used for drilling into hard rock
and pebble beds. Compared with conventional rotary drilling and mechanical
percussion drilling, the drilling efficiency can be increased
several to ten times. It is an advanced technology. Its application
areas are constantly expanding. In the past, it was mainly used for
blasting and drilling in mines, but it has been used in hydropower,
railways, highways, water wells, building foundation piles, and
geological prospecting.
Pic Show
FAQ:
1. How to order the products?
A: Please send the inquiry with detail item description or with
Model number.
2. How about the common packing?
A: If there is no special packing demand, we will take it as our
normal packing. First in small carton, and then put in the bigger
carton together to make sure goods completed.
3. Can I expect a quality products?
A: Yes. mature production technology ensuring the quality satisfy
international request.
4. How to check the product are the exact one you want?
A: If possible, please attach one reference picture to avoid any
misunderstanding or any links from our website for a better
understanding.
5. How to control quality?
A: We have our own experienced QC team,there will be strict
inspection and testing for each order before shipping out.
6. Fast delivery time:
A: Usually it takes 25 days for production.only 3 or 5 days if we
have stock of your request size.
7. Competitive price:
A: Our factory can supply you the lowest price due to direct sale
to customers without distributor!
