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Attrezzature di perforazione

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Attrezzature di Perforazione per Cave,Miniere e Tunneling

Produzione

Supply company

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Attrezzature di perforazione

 

Atlas Copco





      Authorized distributor







TheTerranox product range
The Terranox DTH hammer comes in five sizes. Choosing the right hammer is largely determined by hole size and type of ground conditions. Ideally, the size of the hammer should match the required hole dimension as closely as possible, leaving just enough space for cuttings to evacuate the hole.




 

 

 

Terranox DTH hammers

Description

Thread connection

Outside diameter

Rec. hole size

Shank

 

 

 

 

 

 

 

style

 

 

 

 

 

 

 

 

 

 

 

mm

inch

mm

inch

 

 

 

 

 

 

 

 

Terranox 3

API 2 3/8 Reg PIN

79

3 1/8

88 - 105

3 7/16 - 4 1/8

DHD

 

 

 

 

 

 

 

 

Terranox 4

API 2

3/8 Reg BOX

92

3 5/8

105 - 127

4 1/8 - 5

DHD

 

 

 

 

 

 

 

 

Terranox 5

API 3

1/2 Reg PIN

115

4 1/2

130 - 152

5 1/8 - 6

DHD

 

 

 

 

 

 

 

 

Terranox 6

API 3

1/2 Reg PIN

137

5 3/8

152 - 216

6 - 8 1/2

DHD

 

 

 

 

 

 

 

 

Terranox 8

API 4

1/2 Reg PIN

181

7 1/8

200 - 270

7 7/8 - 10 5/8

DHD

 

 

 

 

 

 

 

 

* shoulder to shoulder



Service and tuning kits


 In abrasive drilling conditions, partly external components of the DTH hammers are subject for excessive flush blasting and is wearing out before the internal parts reaches their fatigue limits.

Wear often appears on the chuck itself or on the cylinder at the chuck-end. For this reason many of the Terranox hammers are designed with reversible cylinders. With help of defined service kits the hammers can be rebuilt and most internal parts re-used for another run.
 Use of service kits, extends the total hammer life and substantially reduces the total drilling cost, as the cost for service kits is only approximately 10% of a new hammer Terranox hammers are, for optimized drilling performance and hole cleaning, fitted with choke plugs to enable a ultimate tuning of the hammer for each occasion and use.

Replacement choke plugs are included in the Terranox tuning kits. For easy logistics defined kits containing the vital parts are available for each hammer.


 

COP hammer




 

 

Outside

 

 

 

 

 

 

Rec. hole size

 

 

Thread

diameter

 

Description

 

 

 

Shank style

connection

 

 

 

 

 

 

mm

inch

mm

 

inch

 

 

 

 

 

 

 

 

 

 

 

 

 

2"

 

 

 

 

 

 

 

COP 20

RD 50-6 Box

62

2 7/16

70-96

2 3/4-3 3/4

BR 2

3.5"

 

 

 

 

 

 

 

COP 35

API 2 3/8 Reg Pin

79

3 1/8

88-105

3 7/16-4 1/8

DHD 3.5

COP 35 Slim

API 2 3/8 Reg Pin

76

3

85-105

3 7/16-4 1/8

DHD 3.5

4"

 

 

 

 

 

 

 

COP 44 STD

API 2 3/8 Reg Pin

98

3 7/8

110-125

4 5/16-4 15/16

DHD 340

COP 44 Gold

API 2 3/8 Reg Pin

100

3 15/16

110-130

4 5/16-5 1/8

TD 40

COP 44 Gold

API 2 7/8 Reg Pin

100

3 15/16

110-130

4 5/16-5 1/8

TD 40

COP 44 Gold

CUBEX #24

100

3 15/16

110-130

4 5/16-5 1/8

TD 40

 

API 2 3/8 Reg Pin

114

4 31/64

115

4 1/2

TD 40

 

 

 

 

 

 

 

 

API 2 3/8 Reg Pin

114

4 31/64

115

4 1/2

TD 40

 

 

 

 

 

 

 

 

5"

 

 

 

 

 

 

 

COP 54 STD

API 2 3/8 Reg Pin

120

4 3/4

134-152

5

1/4-6

DHD 350

COP 54 STD

API 3 ½ Reg Pin

120

4 3/4

134-152

5

1/4-6

DHD 350

COP 54 QM

API 3 ½ Reg Pin

126

4 15/16

134-152

5

1/4-6

DHD 350

COP 54 Gold

API 3 ½ Reg Pin

115

4 1/2

127-152

 

5-6

QL 50

"Slim"

 

 

 

 

 

 

 

COP 54 Gold

API 3 ½ Reg Pin

120

4 3/4

134-152

5

1/4-6

QL 50

COP 54 Gold

API 3 ½ Reg Pin

126

4 15/16

140-152

5

1/2-6

QL 50

QM

 

 

 

 

 

 

 

6"

 

 

 

 

 

 

 

COP 64 STD

API 3 ½ Reg Pin

142

5 9/16

156-178

6

1/8-7

DHD 360

COP 64 QM

API 3 ½ Reg Pin

146

5 3/4

165-178

6

1/2-7

DHD 360

COP 64 Gold

API 3 ½ Reg Pin

142

5 9/16

156-178

6

1/8-7

QL 60

COP 64 Gold QM

API 3 ½ Reg Pin

146

5 3/4

165-178

6 1/2-7

QL 60

COP 66 QM

API 3 ½ Reg Pin

146

5 3/4

165-178

6 1/2-7

COP 66

COP 66 QM

API 3 ½ IF Pin

146

5 3/4

165-178

6 1/2-7

COP 66

COP 66 QM

BECO 3 ½ Pin

146

5 3/4

165-178

6 1/2-7

COP 66

COP 66 QM

CUBEX #28 Pin

146

5 3/4

165-178

6 1/2-7

COP 66







Selecting the right hammer

The optimum range of hole size for blast hole drill- ing with DTH is 90 mm to 254 mm (3 ½"-10"). Smaller blast holes are generally drilled using tophammer, and larger holes generally use rotary machines.

In other applications, like foundation drilling, DTH hammers can be used with single bit in hole sizes up to 914 mm (36"). With multiple hammer units CD (Cluster Drills) drill holes up to 70" or 1778 mm as standard. Larger cluster drills can be delivered as per customer request.

As a rule of thumb, the smallest hole diameter a DTH hammer can drill is its nominal size. A 4 inch hammer will drill a 4 inch (102 mm) hole.The limiting factor is the outside diameter of the hammer, because, as hole diameter reduces, airflow is restricted. Maximum hole size for production drilling is the nominal hammer size plus 1 inch, so for a 4 inch hammer the maximum hole size is 5 inch (127-130 mm).

Choosing the right hammer is largely determined by hole size and type of rock formation. Ideally, the size of the hammer should match the required hole dimension as closely as possible, leaving just enough space for cuttings to evacuate the hole.
Secoroc hammers are purpose-matched for all rock types and applications. Where high performance is the main criterion, Secoroc COP Gold hammers or the new 6" COP 66 hammer are recommended in blast hole drilling and Secoroc QLX hammers in deep hole drill- ing applications.The QLX hammer has proven superior performance and adaptability to different air require- ments thanks to the Air Select System.

Where proven technology is required, the Secoroc COP and QL hammers are known for their reliability and longevity.They are practically bullet proof, making them useful for production drilling in quarries, shallow water well drilling, and underground blasthole drilling.

QM is similar to Standard, but with heavy duty chuck and wear sleeve, and a top sub fitted with tungsten car- bide buttons for wear protection in harsh and abrasive conditions.These also protect the top sub from exces- sive wear when rotating out of the hole through broken rock.











QL HAmmers

 

 

Outside

 

 

 

 

 

Rec. hole size

 

 

Thread

diameter

 

Description

 

 

Shank style

connection

 

 

 

 

 

 

mm

inch

mm

inch

 

 

 

 

 

 

 

 

 

 

 

 

4"

 

 

 

 

 

 

 

QL 340 STD

API 2 3/8 Reg Pin

100

3 15/16

110-130

4 5/16-5 1/8

DHD 340

5"

 

 

 

 

 

 

 

QL 50 STD

API 3 1/2 Reg Pin

117

4

5/8

130-152

5 1/8-6

QL 50

QL 50 HF

API 3 1/2 Reg Pin

117

4

5/8

130-152

5 1/8-6

QL 50

QL 50 HC

API 3 1/2 Reg Pin

117

4

5/8

130-152

5 1/8-6

QL 50

QL 55 QM

API 3 1/2 Reg Pin

124

4

7/8

134-152

5 1/4-6

QL 50

6"

 

 

 

 

 

 

 

QL 60 STD

API 3 1/2 Reg Pin

138

5 7/16

152-191

6-7 1/2

QL 60

QL 60 HF

API 3 1/2 Reg Pin

138

5 7/16

152-191

6-7 1/2

QL 60

QL 60 HC

API 3 1/2 Reg Pin

138

5 7/16

152-191

6-7 1/2

QL 60

QL 65 QM

API 3 1/2 Reg Pin

146

5

3/4

165-191

6 1/2-7 1/2

QL 60

8"

 

 

 

 

 

 

 

QL 80 STD

API 4 1/2 Reg Pin

181

7

1/8

200-305

7 7/8-12

QL 80

QL 80 STD

BECO 4 1/2 Pin

181

7

1/8

200-305

7 7/8-12

QL 80

QL 80 HF

API 4 1/2 Reg Pin

181

7

1/8

200-305

7 7/8-12

QL 80

QL 80 HC

API 4 1/2 Reg Pin

181

7

1/8

200-305

7 7/8-12

QL 80

QL 85 QM

API 4 1/2 Reg Pin

194

7

5/8

216-305

8 1/2-12

QL 80

QL 85 QM

BECO 4 1/2 Pin

194

7

5/8

216-305

8 1/2-12

QL 80

QL 85 QM 1400cfm

API 4 1/2 Reg Pin

194

7

5/8

216-305

8 1/2-12

QL 80

QL 85 QM 1400cfm

BECO 4 1/2 Pin

194

7

5/8

216-305

8 1/2-12

QL 80

12"

 

 

 

 

 

 

 

QL 120 STD

API 6 5/8 Reg Pin

285

11 1/4

311-560

12 1/4-22 1/16

QL 120

QL 120 STD BO

API 6 5/8 Reg Pin

285

11 1/4

311-560

12 1/4-22 1/16

QL 120

QL 120 HC

API 6 5/8 Reg Pin

285

11 1/4

311-560

12 1/4-22 1/16

QL 120

20"

 

 

 

 

 

 

 

QL 200

API 8 5/8 Reg Pin

396

15

9/16

440-660

17 15/16-26

QL 200

QL 200 S

API 8 5/8 Reg Pin

396

15

9/16

710-914

28-36

QL 200 S

30"

 

 

 

 

 

 

 

QL 300 STD

BECO 16 PIN

660

 

26

760-915

29 15/16-36

QL30

QL 300 S

BECO 16 PIN

660

 

26

965-1220

38-48 1/16

QL30






Selecting the right bit


Atlas Copco Secoroc has a comprehensive range of DTH drill bits to match all conceivable applications. Each bit is made from quality alloy steel, and has been precision machined to produce a perfect body, heat treated to the required hardness, given surface compression for fatigue resistance, and fitted with precision buttons manufactured in-house.

Five basic designs are available: Convex, Flat front, SpeedBit, Concave, and RocketBit.These are designed for specific applications for all rock types, hardness's and conditions.

Bit life and rate of penetration are the most important criteria in selecting the right bit for a particular application. In most cases, the focus is on productivity, so the fast cuttings removal features of the SpeedBit and Convex/Ballistic designs are preferable, to ensure the buttons are cutting clean, with the minimum of recrushing.
In hard and abrasive formations, however, the flat front design offers best bit life, having strong gauge rows with large spherical buttons which are easy to regrind and maintain.The SpeedBit offers improved productivity with the same gauge as the Flat front, but with ballistic buttons in the front for faster penetration.

An alternative is the Concave design with spherical buttons. The RocketBit can be dressed with ballistic buttons for use in soft to medium hard formations where fractured rock can be expected, or can be supplied with spherical buttons for hard and abrasive formations. Bits are manufactured to match all diameters of Secoroc hammers.
 



 





Drill bits standard assortment




Flat front


Applications:
Hard and abrasive
formations, all round.

Typical formations
Granite, hard lime-
stone, basalt.
SpeedBit


Applications:
Medium hard to
hard and abrasive
formations. For higher
productivity.
Design feature:
Ballistic buttons in
front.

Typical formations
Granite, hard lime-
stone, basalt.
Convex front,
ballistic

Applications:
Soft to medium hard
rock. Non abrasive
formations. High
penetration rate.

Typical formations
Limestone, hard limestone, shale.
Concave front


Applications: 
Medium hard to hard formations. Less abrasive, fractured formations. Excellent control over hole deviation.
Design feature: HD - larger gauge buttons. DGR - double (overlapPing) gauge row. Only from 8".

Typical formations
Granite, hard lime- stone, basalt.
RocketBit


Applications:
Soft to medium hard formations. For exceptional productivity. Fractured rock.
Design feature: Spherical buttons for hard and abrasive formations.
Ballistic buttons for soft formations

Typical formations
Limestone, hard lime- stone.
 










Matching hammer and casing diameter

For proper selection of Terranox hammer to match casing diameter, please use cross reference table below. Casing size and drilling conditions will be decisive factors when selecting casing advancement system.

Hammer description

Casing diameter range

 

 

 

 

mm

inch

Terranox 3

114.3

4 1/2

 

 

 

Terranox 4

139.7 - 152.4

5 1/2 -6

 

 

 

Terranox 5

168.3 - 177.8

6 5/8 - 7

 

 

 

Terranox 6

193.7 - 244.5

7 5/8 - 9 5/8

 

 

 

Terranox 8

244.5 - 323.9

9 5/8 - 12 3/4

 

 

 

Selecting compressor capacity

The Terranox hammer range is designed for a maximum working pressure of 25 bar. In overburden drilling applications the air pressure is normally recommended to be kept in the range of 12-14 bars. However, for proper hammer performance throughout the entire drilling operation, the compressor model should be selected to match the corresponding maximum hammer air consumption, shown below.

Drill rig requirements

For proper hammer performance, the geotechnical drilling rig should be equipped with a rotation unit providing minimum torque as per the table shown below.

Hammer description

 

Minimum torque

 

 

 

 

 

Nm

 

lb ft

Terranox 3

600

 

440

 

 

 

 

Terranox 4

1 500

 

1 020

 

 

 

 

Terranox 5

2 000

 

1 480

 

 

 

 

Terranox 6

3 000

 

2 210

 

 

 

 

Terranox 8

8 000

 

5 900

 

 

 

 

 

Hammer description

Air consumption (at 24.1 bar)

 

 

 

 

l/s

scfm

Terranox 3

239

506

 

 

 

Terranox 4

292

618

 

 

 

Terranox 5

358

760

 

 

 

Terranox 6

459

973

 

 

 

Terranox 8

725

1 538

 

 

 

Above specifications/ratings are based on initial factory setting


A complete package from Atlas Copco

 

Casing advancement systems

Atlas Copco offers three casing advancement systems: Symmetrix, Elemex and Odex. With these systems a casing pipe is installed simultaneously as the hole is drilled. The casing prevents the hole from collapsing.

Using the Atlas Copco casing advancement systems is particularly advantageous for foundation works or well drilling in urban areas. The systems offer high productivity even if the ground contains boulders, concrete blocks or old foundations which are hard to penetrate and they can easily drill a rock socket into the bedrock if

required. When used for micropiling, cased piles can accommodate large load concentrations also from lateral forces.

The drilling principle is based on a pilot bit and a reamer bit, which together drill a hole larger than the external diameter of the steel casing. This enables the casing pipe to follow the drill bits down the hole.

 

Odex has an eccentric reamer bit while Symmetrix and Elemex feature a concentric reamer called ring bit.


 

 

Symmetrix

The concentric drill bit design gives Symmetrix plenty of benefits: incomparable hole straightness, deep drilling capability and incredible quick pile setting. Symmetrix is ideal tool for all kind of ground conditions and superior when there are big obstacles in the ground or sloping bedrock exists.For well drilling, the Symmetrix range offers drill-throughsystems. When the surface portion is cased and sealed in the overburden layer, the pilot bit can drill further into the bedrock without having to change drilling equipment. Symmetrix is also capable for all types of micropiling work whether there is an end-bearing or friction pile to be drilled.


 
 

Elemex

The Elemex system design is based on the Symmetrix concentric system but is especially designed for DTH drilling in urban areas or sensitive ground. The unique concept behind the Elemex design is built on redirection of the air flow. Once the air reaches the bit face, it is blown against the extended ring bit walls which redirects the flow across the face. This way, the air pressure is decreased just enough to allow an efficient flushing of the bit face without escaping to the surrounding ground. Elemex is gentle on the surrounding but tough on the boulders that might come in its way.

     
     
 

Odex

The eccentric, retrievable Odex system is ideal for short holes up to 273 mm (10 3/4") in diameter. Well drillers often have an Odex drill bit at hand for simultaneous casing of water and geothermal wells. Odex offers quick and cost efficient drilling. When a casing has been installed, the complete drill bit is retrieved  €“ ready to drill the next hole. Odex system was originally developed, in the late 1960's, as a reliable method for micropiling with steel core piles, as is today still very popular when drilling in basic ground conditions.

 

Reverse Circulation

Atlas Copco Secoroc's reverse circulation hammers are specifically designed for all kind of exploration drilling (deep hole and pit grade control applications).

Whether you are exploring potential sites or working an existing mine, the Secoroc RC hammer will assure of high performance, exceptional reliability and dependable support.

RC 50 hammer

 

 

Outside

 

 

 

 

 

Rec. hole size

 

 

 

diameter

Shank

Description

Thread connection

 

 

 

 

 

 

style

 

 

mm

inch

mm

inch

 

 

 

 

 

 

 

 

 

 

5"

 

 

 

 

 

 

RC 50 STD

4 1/2" Remet Box

130

5.13

136-165

5 3/8 - 6  ½

RC 50

 

 

 

 

 

 

 

 




 RC 50 bit assortment

 

Diameter

No. × Button diameter, mm (inch)

Gauge/Button angle°

 

 

Inner holes

 

 

 

 

 

 

 

 

 mm

inch 

 

Outer 

 Inner

 Front

Outer 

 Inner

 

 

 

 

 

 

 

136

5

3/8

8 x 16 (5/8)

4 x 12,7 (1/2)

4 x 16 (5/8)

35

 

No

140

5

1/2

8 x 16 (5/8)

4 x 12,7 (1/2)

4 x 16 (5/8)

35

 

No

143

5

5/8

8 x 16 (5/8)

4 x 12,7 (1/2)

4 x 16 (5/8)

35

 

No

146

5

3/4

8 x 16 (5/8)

4 x 12,7 (1/2)

4 x 16 (5/8)

35

 

No

152

 

6

8 x 16 (5/8)

4 x 12,7 (1/2)

4 x 16 (5/8)

35

 

No

165

6

1/2

8 x 16 (5/8)

6 x 12,7 (1/2)

4 x 16 (5/8)

35

 

No




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