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RC DTH Hammer and Bits

RC (Reverse Circulation) DTH Hammer and Bits are mainly used for deep exploration drilling and ore grade control....

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RC series reverse circulation DTH hammer is the latest developed product at our company. It Is mainly used tor deep exploration drilling and core sampling.

 

RC DTH Hammer And Bits has the following characteristics:

1, Based on previous experience of ordinary hammer. combined with feature of reverse circulation hammer. optimized internal structure and ideal energy transfer. thus ensuring the series of hammers drilling with fast. smooth and continuous sampling

2, The internal structure is wry simple with components of high rigidity. thus ensuring long life and easy maintenance of the hammer

3, The collection tube adopts an integrative design and can be replaced without disassembling the hammer with carburizing treatment. It has good abrasive resistance. 

4, Equipment with bits designed with patent that the sample is not contaminated. Simply by replacing the drill bit. The same hammer can drill holes of different sizes ensuring 

5, In difficult conditions such as loose soil, hard rock and plenty of water exist. sampling can be done well.

 

RC DTH Hammer And Bits Exploded Views

 Reverse Circulation DTH Hammer

 

4.5 Inch Reverse Circulation-2

RC DTH Hammer and Bits



RC DTH Hammer

 

RC DTH Bit

RC DTH Bit


DTH hammer type

RC45

DTH hammer type

RC55

RC65

RC52

Length (less bit) mm

1020

Length (less bit) mm

1111

1250

1208

Weight(excluding bits) kg

94

Weight(excluding bits) kg

66.5

110

70

External diameter mm

φ99

External diameter mm

φ126

φ146

φ126

Bit shank

RC45

Bit shank

RC55

RC65

PR52

Hole range(mm)

φ114-127

Hole range(mm)

φ133-152

φ155-190

φ133-146

Connection thread

upon the thread of the drill tube

Connection thread

upon the thread of the drill tube

Working pressure

1.0-3.0Mpa

Working pressure

1.5-3.5Mpa

1.5-3.5Mpa

1.5-3.5Mpa

Impact rate at 1.7Mpa

30Hz

Impact rate at 2.4Mpa

35Hz

28Hz

35Hz

Recommended Rotation speed

25-40r/min

Recommended Rotation speed

25-40r/min

25-40r/min

25-40r/min

Air consumption

1.0Mpa

8.0m3/min

Air consumption

1.7Mpa

16.0m3/min

20.0m3/min

16.0m3/min

1.8Mpa

12.0m3/min

2.4Mpa

22.0m3/min

26.0m3/min

22.0m3/min

2.4Mpa

16.0m3/min

3.0Mpa

28.0m3/min

35.0m3/min

28.0m3/min


Drill Bit

Bit Dia. (mm)

NO.Air Holes

Gauge Buttons

Front Buttons

Weight (Kg)

Part No.

RC

115

2

8×φ14

8×φ13

14

RC45-115

140

2

8×φ16

8×φ14

16.5

RC55-140

165

2

8×φ18

8×φ16

19.5

RC65-165

Mic

133

2

8×φ16

8×φ14

17.5

Mic-133

140

2

8×φ16

8×φ14

18

Mic-140

146

2

8×φ18

8×φ14

20

Mic-146

PR5

133

2

8×φ16

8×φ14

12.5

PR5-133

140

2

8×φ16

8×φ14

13

PR5-140

146

2

8×φ18

8×φ14

13.5

PR5-146

PR4

115

2

8×φ16

8×φ13

14.4

PR4-115

127

2

8×φ16

8×φ14

15

PR4-127

133

2

8×φ16

8×φ14

15.5

PR4-133


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