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High Drilling Efficiency Rock Drilling Tools Odex 90 System For Well Drilling

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High Drilling Efficiency Rock Drilling Tools Odex 90 System For Well Drilling

China High Drilling Efficiency Rock Drilling Tools Odex 90 System For Well Drilling supplier
High Drilling Efficiency Rock Drilling Tools Odex 90 System For Well Drilling supplier High Drilling Efficiency Rock Drilling Tools Odex 90 System For Well Drilling supplier High Drilling Efficiency Rock Drilling Tools Odex 90 System For Well Drilling supplier

Large Image :  High Drilling Efficiency Rock Drilling Tools Odex 90 System For Well Drilling

Product Details:

Place of Origin: China
Brand Name: PRODRILL
Certification: ISO:9001,
Model Number: Odex90 system casing 114

Payment & Shipping Terms:

Minimum Order Quantity: 5 Pcs
Price: Negotiable
Packaging Details: Wooden box
Delivery Time: 10 to 15 days
Payment Terms: T/T, L/C, Western Union etc.
Supply Ability: 1000Pcs/Month
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Detailed Product Description
Application Range: Drilling Water Wells , Geothermal Wells , Short Mircopiles ,medium Mini-type Grouting Hole Of Building , Dam And Harbour Project . Type: ODEX90
O.D.: 114mm Inner Dia(mm): 102-104
DTH Hammer Type(E): HD35/QL30 Drill Pipe (mm): 76mm

Odex 90 system casing 114 for well drilling;Symmetric / ring bit;casing shoe;retainer ring;

 

Description

For small-hole sizes, Prodrill produces the ODEX Eccentric Overburden Drilling System, starting with the ODEX90 to suit 114mm O.D. casings. This two-piece system comprises the shanked bit holder and the eccentric pilot bit that is secured in the bit holder by a double interlocking pin. This is easily removed to allow for bit re sharpening or replacement. Prodemo ODEX overburden drilling systems are widely used in a variety of applications from well drilling and minipilling to rock anchoring and site investigation. 

 

prodemo symmentric overburden drilling system drill straight and comparably deep holes and has to withstand the toughest conditions.therefore  the system is designed for easy withdrawal of the pilot bit,hammer,and drill drill pipes leaving the casing and ring bit in the ground whereas the rest of the system can be reused.

 

The Symmetric Casing Drilling System consists of three parts: central pilot bit, casing shoe and symmetrical ring bit. The central pilot bit drills away the center part of the hole and guides the drill string, incorporated with a sacrificable symmetrical ring bit make a full face drill bit. The casing shoe is welded or threaded to a casing pipe, which is pulled down by the impact of the DTH hammer and central pilot bit. The symmetrical ring bit and casing shoe assembly is locked into central pilot bit with a hammer shank, and the ring bit is to drill the segment the casing to advance down the hole. The pilot bit’s upper shoulder engages the shoulder of the casing shoe. DTH hammer’s impact energy is transferred through the pilot and ring bits, crushing rock, part of impact energy advances casing. On completion of drilling and casing, the drill string with pilot bit is retrieved by a slight reverse rotation to unlock the bayonet coupling. The ring bit stays in the hole, and can be recovered only if the casing is retrieved. Drilling continues to the desired depth in the bedrock using a conventional drilling.


Application Range:

It is suitable for drilling water wells , geothermal wells , short mircopiles ,medium mini-type grouting hole of building , dam and harbour project . 
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 drilling. 

Features

Hardening treatment of the part’s surface:with longer operating life and excellent anti-wear properties. Structural optimization:Strengthen the structural strength, easy to operate 
Superior performance:Stable and reliable performance.

work environment:

Hard, loose,Drilling of gravel or gravel, etc., which requires simultaneous follow-up of the casing.

It has the advantages of good wall protection performance and high drilling efficiency.

 

Specification

 

Casing Tube Reamed Hole Dia
(mm)
Casing Shoe Inner Dia
(mm)
DTH Hammer Type(E) Drill Pipe
(mm)
Model
Outer Dia(mm) Inner Dia(mm)
114 102-104 127 91 HD35/QL30 76 SOD114
127 115-117 136 101 HD35/QL30 76 SOD127
140 124-128 152 117 HD45/QL40 76 SOD140
168 148-156 185 140 HD55/QL50 76/89 SOD168
178 158-166 195 150 HD55/QL50 76/89 SOD178
183 163-171 193 154 HD55/QL50 89/114 SOD183
194 174-182 211 166 HD65/QL60 89/114 SOD194
219 199-207 237 193 HD65/QL60 89/114 SOD219
273 253-257 308 241 HD85/QL80 114/127 SOD273
325 305-309 348 281 SD10/NUMA100 127 SOD325
406 382-388 440 364 SD10/NUMA100 140 SOD406

 


High Drilling Efficiency Rock Drilling Tools Odex 90 System For Well Drilling

Contact Details
Xiamen Prodrill Equipment Co., Ltd

Contact Person: Prodrill

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