Applications of Down-the-Hole (DTH) Drill Bits in Construction

Discover the key applications of DTH drill bits in construction, including foundation piling, tunneling, and more, for efficient and precise deep hole drilling.
Processing of Fixed Carbide Buttons in Button Bits

The processing of fixed button is the key point in the manufacturing of button bits, and its quality directly affects the overall performance of rock drill bit.
Application of Split Set Rock Bolts in Fractured Zones

The application of split set rock bolts in the fractured zones not only reduces the consumption of support materials, but also improves mining efficiency.
Factors Affecting the Preload of FRP Rock Bolts

Factors that affect the preload of FRP rock bolts include torque, rock bolt diameter, thread pitch and tooth height, material and components.
Optimize the Design of the DTH Drill Bit’s Tooth Arrangement to Improve the Rock Breaking Efficiency

Reasonable tooth arrangement design can directly affect the drilling efficiency, stability and durability of the drill bit.
Key Elements of Arrange the Button Design for φ800mm Down-the-Hole Drill Bits

The key elements of DTH bit arrange the Button design include determination of the number of buttons, calculation of button spacing, button-type selection, etc.
Optimization Design of Down-the-Hole Drill Bit

The optimized design of DTH drill bits can significantly improve the wear resistance, impact resistance and service life of drill bit.
Application of Down-the-Hole Hammer and Casing Drilling Technology in Coalbed Methane Wells

The application of down-the-hole hammer and casing drilling technology in coalbed methane wells has improved drilling efficiency and reduced production costs.
Optimizing the Structure of Coal Mining Shearer Picks: Opening a New Chapter of Efficient Mining

The optimization of coal mining shearer pick structure has improved coal mining efficiency and also brought considerable economic benefits to the enterprise.
Importance of Selecting Interference for Carbide Buttons Assembly of DTH Drill Bits

The correct interference fit can improve the rock breaking efficiency and service life of DTH drill bit, and can also avoid common problems such as tooth loss.
Key Parameters to Improve Drilling Efficiency of Rock Drill Jumbos

Reasonable adjustment of key parameters such as propulsion pressure, impact pressure, and rotation speed can improves the efficiency of rock drill jumbos.
Causes of 20CrNi3 Shank Adapter Fracture

The reasons for the fracture of 20CrNi3 shank adapter are excessively high quenching temperature, unstable residual stress and phase transformation, etc.
Causes of Collapse of 23CrNi3Mo Steel Shank Adapter

The reasons for the collapse of the 23CrNi3Mo steel shank afapter involve many aspects such as materials, process, design and use.
Advantages of Drilling with Casing in Complex and Broken Formations

Casing drilling brings higher efficiency, lower cost and better safety to drilling projects through its unique process and design.
Anchoring Performance of Expandable Rock Bolts in Hard Rock Conditions

The excellent anchoring performance and reliable working condition of expandable rock bolts provide a new solution for surrounding rock control in deep mining.
Causes of Failure of DTH Drill Bits Under High Air Pressure in Quarries

The failure causes of DTH drill bits include end face cracking and alloy tooth breakage, which directly affect the progress of the operation.
Understanding DTH Hammers: Structure, Performance Parameters and the Secret of Efficient Drilling

DTH hammer improves mechanical drilling speed, reduces drilling costs, and shortens operation cycle. It is an important tool in modern drilling.
How to Reasonably Determine the Diameter of the Rock Drill Bit?

Taking various factors into consideration, we can scientifically select the rock drill bit diameter to achieve the best rock drilling effect.
Application of Self-Drilling Anchor Bolts in Slopes

Self-drilling anchor bolts enhance the support effect and reduce construction costs in solving geological disasters such as mountain collapse and landslide.
Application of Split Set in Highway Tunnels

Split set’s excellent technical performance, simple construction method, and significant economic benefits make it the preferred solution for tunnel supports.


