News dynamics

What is a drill bit

2020-07-24

The drill bit (also known as the drill bit) is the part of the rock drilling tool that directly drills and breaks the rock.


What is cemented carbide for rock drilling

2020-07-20

Types of cemented carbide products for rock drilling gradually change with the change and progress of rock drilling tools


Development history of cemented carbide

2020-07-08

Since the German Karl Schroter developed WC-Co cemented carbide by powder metallurgy in 1923, and Krupp (Krupp) Company began large-scale production of WC-Co cemented carbide called "WIDIA" in 1926, cemented carbide has emerged as a new industry in the world industry.


The use of hard alloy classification

2020-06-18

Cemented carbide is used in cutting tools, such as milling cutters, reamers, CNC blades, welding blades and other carbide cutting tools.


What is hard alloy?

2020-06-13

Cemented carbide is a kind of alloy material made of hard compound of refractory metal (mainly tungsten carbide) and binder metal (mainly cobalt) by powder metallurgy process.


Anchor trolley and matching drilling tools

2020-05-22

Anchor trolley is a device for drilling bolt holes in the roof or side of underground roadway and completing the process of installing bolt. The bolt drilling vehicle is mainly composed of drilling arm, hydraulic rock drill, propeller/turret, walking system and control system. It is mainly used in mine roadway, tunnel engineering and hydropower engineering to strengthen rock.


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