1. For the newly purchased rock drill, due to the protection measures of packaging, there will be some anti-rust grease inside. Be sure to disassemble and remove it before use, and smear lubricant ...
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. ...
Pneumatic rock drills are mainly used for two purposes:
1. The rock drill is a stone mining machine that uses the rotation and impact of the steel drill to drill holes in the rock, and is also use...
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 impac...
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...
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...