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Air leg rock drill is one of the modern rock drill tools, it is easy to operate. The silencer attached to the gas leg drill can change the exhaust direction at will, reduce the noise and improve the w

1. Main reasons for lower drilling speed of air leg rock drill: The main reasons for the reduction of drilling speed are low pressure in the working environment, poor lubrication of the machine, insu

Pneumatic roof bolter machine is the bolt support equipment for roadway used in coal mine. It has outstanding advantages in improving support effect, reducing cost, accelerating roadway formation spee

A screw air compressor is a device used to compress gas. Screw compressor - is a rotary positive displacement compressor, in which the two rotors with spiral gear mesh with each other, so that the vol

One, air leg rock drill the general provisions of the drilling workers must undergo special training, after passing the examination, can hold a license to work.

Water well drilling rig construction should also pay attention to reduce wear. Support sprocket, support wheel, drive wheel and rail chain link these are easy to wear parts, but, according to the impl