2020-02-12
Sandvik DL411 is a fully mechanized compact electro-hydraulic top hammer deep hole rock drilling rig designed for large-scale underground mining of 3.6 x 3.6 m or larger production roadways.
Application of Drilling Tools for Underground Medium-deep Hole Mining
2020-01-30
Commonly used drilling tools for underground medium-deep hole mining and blasting operations include thread drilling tools, including thread drilling tools, thread drilling rods, drill tails, connecting sleeves and other complete sets of drilling tools. Common thread forms are R3212, T38, T45, T51 and other thread forms.
2020-01-08
The connector is a product in the threaded connection drilling tool group. The connector is mainly used for thread conversion between the drill tail and the drill rod, and between the drill rod and the drill head.
2020-01-02
Drill tail, also known as hydraulic drill drill drill tail, pneumatic drill drill tail, tail drill rod, is one of the accessories of hydraulic and pneumatic rock drill, and also as a kind of use of rock drilling tools. Supporting the use of hydraulic rock drilling rig, jumbo, pneumatic rock drilling rig. The main thread forms are R22, R25, R28, R32, R38, T38, T45, T51, ST58, ST68, EL60, EL68, T60 thread drill tail. Products are divided into female thread drill tail, male thread drill tail, flat key drill tail and oblique spline drill tail, widely used in open pit mining, underground mining, roadway excavation, anchoring engineering, blast furnace opening,
Threaded connection drill pipe and pilot drill pipe for top hammer rock drilling
2019-12-24
Top hammer rock drilling with threaded connection drill pipe, guide drill pipe is mainly equipped with open-air hydraulic rock drilling rig, underground hydraulic rock drilling jumbo, used for large hole diameter, medium and deep hole rock drilling, also used in rock drilling process to play a guiding role, prevent and reduce drilling deflection, also known as guide rod. The threaded connection form is T38 T45 T51 ST58 ST68 EL60 T60 drill pipe diameter D56 D60 D65 D70 D76 D87 drill pipe length 1220mm 1525mm 1830mm 3660mm 4265mm.
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