News

Guangdong “Internet +” Expo and Guangdong (Foshan) Industry Fair closed on September 26

On September 26, 2021, the 2021 China (Guangdong) International “Internet +” Expo (abbreviation: Guangdong “Internet +” Expo) hosted by the Guangdong Provincial Committee of the China Council for the Promotion of International Trade China Guangdong (Foshan) Machinery Indus... Read More

Ministry of Commerce: China ranks first!

On the morning of August 23, the State Council Information Office held a press conference. Minister of Commerce Wang Wentao, Vice Minister and Deputy Representative of International Trade Negotiations Wang Shouwen, and Vice Minister Qian Keming introduced the positive contribution to business for... Read More

How to develop high-quality mining in the post-epidemic era

Affected by the new crown pneumonia epidemic, the development trend of global mining has become confusing. The industry pays close attention to the trend of the global economy, changes in international mining-related policies and trends in the mineral product market. The analysis, solvable answer... Read More

Overview of water well drilling rigs

In the 2nd century BC, China has used manpower and used bamboo bow elastic force to make the cone drill bit impact the ground to drill. Later, it was used in rural China for a long time. It was not until the 1950s that wire rope percussion drilling rigs were introduced from abroad. In the early 1... Read More

Introduction of air-leg rock drill

The air-leg rock drill relies on compressed air to drive the piston to reciprocate. During the stroke, the piston strikes the shank tail, and during the return stroke, the piston drives the drill tool to rotate to achieve rock crushing and drilling. The use of full hydraulic drilling rigs to repl... Read More

Introduction of hand-held rock drill

The hand-held rock drill was introduced by Ingersoll-RandCo. in 1912. According to the power form, it is divided into four categories: pneumatic, hydraulic, electric and internal combustion drive. Pneumatics are the most widely used. Hand-held rock drills are suitable for drilling downward or inc... Read More

The global mining machinery industry is reshaping a new pattern

As a heavy industry with high capital and technology intensive, mining machinery provides advanced and efficient technical equipment for mining, deep processing of raw materials and large-scale engineering construction. In a sense, it is an important indicator of a country’s industrial stre... Read More

The working principle of the rock drill

The rock drill works according to the principle of impact crushing. When working, the piston makes high-frequency reciprocating motion, constantly impacting the shank. Under the action of the impact force, the sharp wedge-shaped drill bit crushes the rock and chisels into a certain depth, forming... Read More

The importance of a drill pipe bit for a rock drill

Drill pipe is an indispensable machine for mining machinery equipment. Drill pipe and drill bit are working devices of rock drill, which have great influence on the efficiency of rock drilling Drill pipe, also known as steel, is generally made of carbon steel, the section is hollow hexagonal or p... Read More
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