Large quantity, favorable guide rail type YGZ90 independent rotary rock drill

Rock drills work on the principle of impact crushing. During operation, the piston performs high-frequency reciprocating motion and continuously impacts the drill tail. Under the action of the impact force, the sharp wedge-shaped drill head crushes the rock and digs it into a certain depth, forming a dent. After the piston retracts, the drill rotates at a certain angle, and the piston moves forward. When it impacts the drill tail again, a new dent is formed. The fan-shaped rock mass between the two indentations is sheared into pieces by the horizontal component force generated by the bit. The piston continuously impacts the drill tail, and continuously inputs compressed air or pressurized water from the center hole of the drill to discharge the rock slag out of the hole, thus forming a circular drill hole of a certain depth. The guide rail rotary rock drill is a medium-deep hole rock drilling tool powered by compressed air. Matched with the . type double-machine mining drilling rig or the . type disc drilling rig, it is mainly used for drilling upward blast holes in underground mining sites. It can also be used for drilling downward or downward blast holes in open pits and stonework projects. Horizontal blast holes. Drilling diameter -, effective drilling depth 3. Using a cross-shaped alloy drill bit with a diameter of 100 mm, the average pure rock drilling speed can reach /min in - grade ore rock.
Technical parameters:
Model
Overall dimensions*3*
Weight
Impact energy
Suitable working water pressure
Suitable drilling diameter< br/>Inner diameter of water delivery hose
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Jining Hongmai Machinery Equipment Co., Ltd.
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Address: Shizhong District, Jining City, Shandong Province
:@< br/> Contact person: Manager Li