Home > Products > Symmetric Overburden Drilling Equipment > Eccentric Overburden Drilling Equipment (NOD140)
Eccentric Overburden Drilling Equipment (NOD140)
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Product Details
| Place of Origin | Hunan, China | Brand Name | New Diamond | |
| Model Number | eccentric overburden drilling NOD40 | Type | Drill Bit | |
| Machine Type | Drilling Tool | Certification | Other, ISO9001:2008 | |
| Material | Carbide | Processing Type | Forging | |
| Use | Ore Mining |
Product Description
Specifications
Overburden Drilling1.Efficient energy transfer
2.Faster drilling speed
3.Lower oil consumption
4.Longer life,less failure
Eccentric Overburden Drilling Equipment (NOD140):
1. 10 years manufacturing experience;
2. Certificate: ISO9001:2008
3. Material: Carbide
Eccentric Reamer System Step-by-step
1. When drilling starts, the reamer swings out and reams the pilot-hole wide enough for the casing tube to slide down behind the drill bit assembly.
2. When the required depth is reached, rotation is reversed carefully, whereupon the reamer swings in , allowing the drill bit assembly to be pulled up through the casing.
3. Casing tubes that are to be left in the drill hole should be sealed at the bottom of the hole by means of cement grout or some other sealing agent.
4. Drilling continues to the desired depth in the bedrock using a conventional drill string.
NOD140 Eccentric Overburden Drilling Equipment
Our advantages:
We have advanced production equipments & talented researchers & technicians & rich experiences in R & D and production.
We use the best quality raw materials.
We adopt advanced production technology & strict testing procedure.
We passed ISO9001 quality management system certification.
We accept OEM manufacturing and produce on your design.
Contact Us
- Hunan New Diamond Construction Machinery Co., Ltd.
- Contact nameRick Liao Chat Now
- Phone0086-731-89708148
- AddressMeiguiyuan, Yuelu district, Changsha city, Hunan, China, Yueyang, Hunan
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