What is meaning of shaft sinking?

Shaft mining or shaft sinking is excavating a vertical or near-vertical tunnel from the top down, where there is initially no access to the bottom. Shallow shafts, typically sunk for civil engineering projects, differ greatly in execution method from deep shafts, typically sunk for mining projects.

How do you sink a mine shaft?

Vertical shaft are sunk by hand some 10 to 20 m vertical with small scale mining shafts utilising drill and blasting to sink shafts beyond depths of 30 m or more.

What is a shaft in technology?

The shaft technology is a very popular subject in the process of technological education. There is an independent class of shafts as a class of parts in the technological context. Parts of this class are very commonly used components. The rollers (shafts) are among the simplest machining objects.

What is a vertical shaft?

Vertical shafts, by contrast, are controlled by the hydraulic forces of freely flowing water. They are often nearly perfect cylinders with circular cross sections. The walls are vertical and cut across the limestone beds with complete disregard for angle or composition of the beds.

How does a shaft sinking machine work Herrenknecht?

Every Herrenknecht Shaft Sinking Machine consists of two main components – the shaft boring machine and the lowering units. The shaft boring machine is lowered into the launch shaft structure and attached firmly to the shaft with its three machine arms. A rotating cutting drum equipped with chisel tools is attached to a telescopic boom.

What can Herrenknecht shaft drilling jumbo be used for?

The Herrenknecht Shaft Drilling Jumbo is specifically designed according to customer requirements. The technology allows for rapid conventional shaft construction in hard rock with high occupational safety for the drilling crew. It can be used for a variety of applications both in mining and underground construction. Still got questions?

Which is the best vertical shaft sinking machine?

Vertical Shaft Sinking Machines (VSM) in operation For quick and reliable construction of vertical shafts, Herrenknecht developed its VSM (Vertical Shaft Sinking Machine) technology, today an established product on the market. This unique mechanized shaft sinking equipment shows its strengths particularly below groundwater.

Can a shaft drilling jumbo be used for blind shafts?

Despite its project-specific construction, the machine allows different configurations and flexible drilling patterns and can be used both for blind shafts and shafts with a pilot hole. For the transport to the jobsite the Shaft Drilling Jumbo is fixed in a special handling frame. Hydraulic stabilizers brace the system against the shaft wall.