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 eng...
The use of air picks and precautions
air pick is a kind of manual pneumatic tool; it uses compressed air neon to push the reciprocating motion of the live package; it makes the head of the pick con...
When the crawler drilling rig is constructed on a site with soft soil, the crawler and the rail link are easy to adhere to the soil. Therefore, the crawler should be adjusted slightly loose to prev...
Innovative S82 pneumatic rock drill, and through the valve-train impact drill, cooling and lubrication mechanism, slewing mechanism, the innovation of the flushing mechanism four design, break thro...
Troubleshooting of rock drills
Common faults and treatment methods of air-leg rock drills
Fault 1: The rock drilling speed is reduced
(1) Causes of failure: First, the working air pressure is low; ...
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 Negotiati...