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kelleg@kellegco.com

2023-02-23

Selection of Heat Treatment Process for Threaded Extension Rod

This article explains how to choose the heat treatment process of threaded extension rod for you from many aspects.

2023-02-16

Failure Modes of Tri-cone Bits

The lifespan and performance of the tri-cone bit will directly affect the quality, speed, and cost of drilling project, which is very important to the construction party. The common failure modes of mining tri-cone bits include bearing failure, cutting structure failure, cone shell wear, and gauge structure damage.

2023-02-15

What are the factors affecting the quality stability of drill rods?

This article mainly describes the factors that affect the quality stability of drill rods, mainly including materials, processes and equipment.

2023-02-10

How to manage rock drilling tools heat treatment during the process

The management in the heat treatment process can start from giving full play to the subjective initiative of employees and the management of heat treatment equipment.

2023-02-09

Influence of heat treatment equipment on rock drilling tools

Heat treatment is a very important basic process in the manufacture and production of rock drilling tools, which plays a pivotal role in improving their intrinsic quality and service life, and strengthening the competitiveness of rock drilling tools in domestic and international markets.

2023-02-03

How to use and grind button bit correctly?

This article mainly explains how to correctly use and grind button bits from the principles of correct use, grinding principles and precautions.
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