Classic air leg drill 7655/7655D
Application area
The products are mainly used for drilling operations in construction sites, various mines, railways, water conservancy construction, national defense construction and other fields.
Product characteristics
It has won the highest national quality award and won the first place in the world rock drill performance comparison contest held in Peru. It is an economical, reliable and durable all-purpose rock drill and a classic product of rock drill equipment.
7655D Product Features
7655D is a low energy consumption rock drill improved on the basis of 7655, which has the characteristics of low air pressure and low air consumption.
|
Item No |
Weight Kg |
Length mm |
Drill tail specification mm |
Drill diameter mm |
|
7655 |
24 |
628 |
H22x108+1 |
34~42 |
|
7655D |
24 |
668 |
H22x108+1 |
34~42 |
|
Piston diameter mm |
Piston stroke mm |
5bar working pressure |
|
|
Air consumption L/S |
Impact frequency Hz |
||
|
76 |
60 |
≤54 |
≥ 36 |
|
70 |
70 |
≤52 |
≥ 31 |
