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 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 t...
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; ...
The following points should be paid attention to during the construction of the deepwater good drilling rig:
1. Scrub the outer surface of the drilling rig, and pay attention to the cleaning and ex...
The prerequisite is that the temperature of the screw air compressor machine room is within the permitted range, and the oil level is in the normal state (please refer to the random instruction).
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TCA-7(G7) air picks are widely used in crushing operations in construction, coal mining,infrastructure development and other fields. Air pick TCA-7(G7) has mature technology is durable, lightweight...