The mining air-leg rock drill has a wide range of uses and is suitable for drilling flat or inclined horizontal or inclined blastholes on medium-hard or hard (f=8~18) rocks, with a drilling depth of up to 5 meters. This machine can be used with FT1160A short air leg or FT160B long air leg according to the size of the tunnel section, and can also be installed on a drilling vehicle or drilling rack.
7655D air-leg rock drill is improved on the basis of 7655 rock drill. Compared with 7655 rock drill: 1. Efficiency is improved 2. Noise is low 3. Punching ability is large. 7655D rock drill has a hole diameter of 34-45 mm and an effective drilling depth of up to 5 meters. It is equipped with 32-45 slotted, cross and ball-tooth drill bits. Our company has a complete range of drill bits and drill rods, and universal accessories. 7655D rock drill has air-water linkage, no water pressure, automatic water absorption, and obvious dust prevention effect. Many people choose 7655D rock drill because of its high cost performance. 7655D air-leg rock drill is a high-efficiency rock drilling machine. It is widely used in rock tunnel excavation and various rock drilling operations to drill blasting holes. It is an important machine in stone engineering such as mining, railways, transportation, and water conservancy construction.
7655D air-leg rock drill has a wide range of applications. It is suitable for drilling flat or inclined horizontal or inclined blastholes on medium-hard or hard (f=8~18) rocks. The drilling depth can reach 5 meters. This machine can be used with FT1160A short air leg or FT160B long air leg according to the size of the tunnel section, and can also be installed on a drilling vehicle or drilling rack. To ensure good lubrication, this machine is equipped with a FY200A oiler.
The machine adopts a bowl-shaped gas distribution valve with reasonable structure and flexible start-up. It has the advantages of light weight, fast rock drilling speed, low gas consumption, small vibration, convenient operation, low failure rate, long service life of parts and good economic benefits.




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