Kelleg Blog

When discussing how to improve the penetration efficiency of CYTJ45 tunneling drill jumbo drill rods, it is crucial to understand that the performance of tunneling

Discover the causes behind shank adapter failure in hydraulic rock drills, including material issues, corrosion, stress concentration, and misuse, with tips to prevent it.

Learn effective solutions to reduce cracking issues in 55SiMnMo steel rolled products, optimizing cooling, chemical composition, and process parameters for better quality.

Learn effective methods to control banded structure in 23CrNi3Mo tool steel, improve mechanical properties, and extend tool life with optimized processes.

Discover effective strategies to minimize wear on rock drilling tools, extend their lifespan, and boost efficiency in mining, tunneling, and construction projects.

Discover the benefits of large-diameter DTH hammer drilling technology. Achieve efficient, precise, and sustainable deep hole drilling for mining and construction projects.

Learn effective strategies to prevent shank adapter damage, ensuring longer tool life, improved efficiency, and reduced downtime for your hydraulic rock drills.

Optimize down-the-hole drill bits for high-temperature hard rock with advanced materials, structural design, and intelligent monitoring to improve efficiency and durability.

Learn about the key factors affecting the guiding process of inclined down-the-hole hammers, including drill rod parameters, impact force, rock strength, and more.

Learn effective methods to prevent quenching cracks in 42CrMoA impact rock drill rods, improving quality, performance, and production efficiency in mining tools.

Explore how material selection and heat treatment impact the performance of high-pressure DTH bits, improving durability, cutting efficiency, and cost savings.