What is a Face Drilling Machine? A face drilling machine, also known as a jumbo drill or tunnel face drill, is a type of equipment used mainly in mining, tunneling, and underground construction. Its primary function is to drill precise holes in the rock face for blasting, enabling excavation and the creation of tunnels or mine passages efficiently and safely.

   1. How It Works

   The face drilling machine operates by using compressed air or hydraulic power to drive the rock drill. The drill bit penetrates the rock surface, creating a pattern of holes. Once the holes are drilled, they are filled with explosives for controlled blasting. After the blast, debris is cleared, and the process repeats to advance the tunnel or mine face.

   Their ability to work in confined spaces and drill multiple holes quickly makes them indispensable for large-scale underground projects.

   2. Applications of face drilling machine

   Mining operations, for creating access tunnels and production drifts.

   Tunneling projects, such as subway, highway, and hydroelectric tunnels.

   Underground construction, including utility and cable tunnels.

   Shaft Sinking: Creating vertical or inclined openings for mine access or ventilation.

   3. Advantages

   ①  High drilling accuracy for effective blasting results.

   ②  Improved safety by reducing manual drilling work.

   ③  Increased efficiency due to multiple booms working simultaneously.

   ④  Adaptability to various geological conditions.

   The face drilling machine plays a critical role in modern underground engineering. Modern face drilling machines often include automation systems, allowing for precise positioning, automated drilling patterns, and data collection. These features increase accuracy and productivity while reducing manual labor and operational risks.