China Portable Rock Drill - Manufacturers, Suppliers, Factory from China

China Portable Rock Drill, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

Troubleshooting and handling of air-leg rock drills(YT27、YT28、YT29a、S250、S82)

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; ...
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...
The use of air picks and precautions

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...
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 Dril...
Pick routine maintenance

The pick is a kind of pneumatic tool which is widely used in mining industry and construction industry. But how to reduce the vibration of the pick handle has become an urgent technical problem to ...
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 impac...