7655 (YT23) is a kind of high efficiency air leg type rock drilling machinery.
Mainly used in drilling operation of mine tunneling, drilling tools for railways, water conservancy construction and national defense construction areas.
Can be matched with FY200A model oil injector and FT160A model air leg.
Available for wet rock drilling for medium hard and high hard, level of rock drilling and tilt boreholes.
Unloaded air leg can also be used on trolley.
The technical specifications are as follows:
| Weight | 24 kg |
| External Dimensions (L W H) | 628*232*207 mm |
| Cylinder Diameter | 76 mm |
| Piston Stroke | 55 mm |
| Impact Frequency | ≥37 Hz |
| Impact Energy | ≥65 J |
| Air Consumption | ≤80 L/s |
| Torque | ≥18 N.m |
| Water Pressure | 0.3 MPa |
| Air Pipe Inner Diameter | 25 mm |
| Water Pipe Inner Diameter | 13 mm |
| Drilling Diameter | 34∽42 mm |
| Suitable for Max Drilling Hole Depth | 5 m |
| Working Temperature | -30∽50℃ |
| Shank Size | H22x108 mm |
E-mail：[email protected]
Tel.：+86-316-8800560
Address：No.189 Qukou Town, Xianghe County, Langfang City, Hebei Province,China