7665 rock drill
Pneumatic rock drill is a kind of high efficient drilling machinery. It is widely used in rock drivage and various blasting hole drilling in the drilling operation, is mine, railway, traffic, water conservancy construction regarding the project of the important tools.
Structure features: this machine adopts bowl with valve distribution form, reasonable structure, flexible. With light weight, high drilling speed, low gas consumption, small vibration, easy to operate, low failure rate
and long life of parts, as well as good economic benefit.
Technical parameters
Type | 7655 | 7665 | YT24 | YT27 | YT28 |
Weight | 24kg | 25.5 kg | 24 kg | 27 kg | 28 kg |
Total length | 628mm | 550 mm | 678 mm | 668 mm | 661 mm |
Using air pressure | 0.63Mpa | 0.63 Mpa | 0.63 Mpa | 0.63 Mpa | 0.63 Mpa |
Cylinder bore | 76mm | 76 mm | 70 mm | 80 mm | 80 mm |
Tracheal diameter | 25mm | 25 mm | 25 mm | 25 mm | 25 mm |
Pipe diameter | 13mm | 13 mm | 13 mm | 13 mm | 13 mm |
The hole diameter | 34-42mm | 34-42 mm | 34-42 mm | 34-42 mm | 34-42 mm |
Drill hole depth | 5m | 5 m | 5 m | 5 m | 5 m |
Shank specifications | 22*108 | 22*108 | 22*108 | 22*108 | 22*108 |
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