A down-the-hole drill, usually called DTH by most professionals, is basically a jackhammer screwed on the bottom of a drill string. The fast hammer action breaks hard rock into small cuttings and dust that are evacuated by a fluid (air, water or drilling mud). The DTH hammer is one of the fastest ways to drill hard rock. The system is thought to have been invented independently by Stenuick. Origin of the nameDTH is short for “down-the-hole”. Since the DTH method was originally developed to drill large-diameter holes downwards in surface-drilling applications, its name originated from the fact that the percussion mechanis. .
In DTH drilling, the percussion mechanism – commonly called the hammer – is located directly above the drill bit. The drill pipes transmit the necessary feed force and rotation to the hammer and the bit, along with the flui. .
A is first thought to have been used for rock drilling in 1844. Many quarries used hand held tools that required the driller to suspend himself from a rope over the quarry face in order to place the drill hole in.
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Your drill has many grease points that prevent early wear and allow your machine to run smoothly. Regular greasing is important. .
The feed rail chain on your WORD Rock Drill can become loose periodically. The natural movement of the machine during drilling leads to wear within the primary sprocket of the feed. .
No job site is clean, so it is almost impossible to prevent your quick connects from getting dirty even when they are hooked up. Although they pretty much stay dirty, it’s important to clean the quick connects when re-attaching them to your machine. With the. .
During your down time it is important to make sure your line oiler is refilled with rock drill oil. When drilling, the oil level in your line oiler should. .
The extension clamp plates are protective plates located on your feed rail. These plates serve as a buffer between the steel of your feed rail and the steel of your feed rail extension piece.. Appropriate care matters: Daily drill bit care improves efficiency, safety, and extends your equipment’s lifespan on any terrain. Inspect and clean regularly: Routine checks and cleaning prevent wear, overheating, and unplanned downtime.
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