Dth Hammer 4.5 Inch For Drilling Use

A 4.5-inch Down-The-Hole (DTH) hammer is a drilling tool used in the mining construction and oil and gas industries for drilling large-diameter boreholes in hard rock formations. DTH hammers are a type of percussion drilling tool that delivers powerful impacts to a drill bit which in turn breaks and crushes the rock.

Here's a brief overview of how a DTH hammer works:
1. **Compressed Air Supply:** DTH drilling involves the use of compressed air. The air is forced down the drill string to the DTH hammer.
2. **Percussion Mechanism:** The DTH hammer has a piston inside that is accelerated by the compressed air. When the piston strikes the top of the drill bit it generates a powerful impact force.
3. **Drill Bit Operation:** The impact energy is transferred to the drill bit which then crushes the rock. The cuttings are flushed out of the borehole by the air and the process is repeated.
The 4.5-inch specification refers to the diameter of the borehole that the hammer is capable of drilling. This size is suitable for applications where larger-diameter holes are required such as in mining or foundation drilling for construction.