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2023-09-01

What are the joint forms of traditional rock drill bits?

The connection forms of a traditional rock drill bit and drill rod are tapered connection, CS sleeve connection, and MF thread connection.

2023-08-30

Drill Rod Material Selection Guide

In the manufacturing process of drill rods, choosing the appropriate material is crucial to ensure product quality and performance.

2023-08-28

What is the key process for producing button bit?

The key process for the production of button bit is the thermal inserting method, which is also the assembly process of drill bit.

2023-08-23

What are the common steel grades for B22 and B25 hexagonal drill rods?

The commonly used steel type for B22 and B25 hexagonal drill rods is 55SiMnMo steel, which has high elasticity and fatigue strength under certain conditions.

2023-08-21

Effect of Decarburization on the Service Life of 55SiMnMo Drill Rod

The drill rod is a key component in rock drilling and blasting. There are many factors affecting its service life, and surface decarburization is one of the unfavorable factors.

2023-08-17

Factors affecting heat treatment quality of rock drilling tools

Factors affecting the heat treatment quality of rock drilling tools include structural design of rock drilling tools, quality control of raw materials, quality assurance of technical documents, quality control of process materials, process execution, equipment operation status, operator level and status, etc.
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