Drill

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

Engineering drill is a classification and extension of the drill, as the name implies, engineering drill is used for high-rise buildings, ports, docks, DAMS, power, Bridges and other projects of large

A drill is a complex set of machines, which consists of machines, units and mechanisms. A drilling rig is a mechanical device that drives the drill to drill underground and obtain physical geological

Working principle of hydraulic drill: this drill is mainly composed of oil supply and distribution system, energy storage system, energy conversion system, vibration reduction and support system, and

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.