Deutsch 
Espanol 
Francais 
Italiano 
Portugues 
Japanese 
Korean 
Arabic 
Russian 
Mobile:
E-mail:
Description
RC series reverse circulation DTH hammer is the latest developed product of our company. It is mainly used for deep exploration drilling and ore grade control.
|
DTH hammer type |
HRC45 |
DTH hammer type |
HRC55 |
HRC65 |
HRC52 |
||
|
Length(with bit) |
1020 |
Length(with bit) |
1111 |
1250 |
1208 |
||
|
Weight(less bit) |
94 |
Weight(less bit) |
66.5 |
110 |
70 |
||
|
External diameter |
Φ99 |
External diameter |
Φ126 |
Φ146 |
Φ126 |
||
|
Bit shank |
HRC45 |
Bit shank |
HRC55 |
HRC65 |
HRC65 |
||
|
Hole range(mm) |
Φ114-127 |
Hole range(mm) |
Φ133-152 |
Φ155-190 |
Φ133-146 |
||
|
Connection thread |
upon drill the tube |
||||||
|
WorKing pressure |
1.0-3.0Mpa |
Working pressure |
1.3-3.5Mpa |
1.3-3.5Mpa |
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 |
||
