This article talks about a valuable tool for drilling holes in the rock. The hand-held rock drill is a small pneumatic uses of a hand held rock drill that can be used for drilling holes of various diameters in hard and medium-hard rock. It is typically used for drilling holes for bolts, rivets, and other similar fasteners in the construction industry.
The pneumatic drill’s main components include a drilling machine, air motor driver, control panel, and drill chisel assembly. The kit combined with the hand hose and other accessories weighs just 10 kgs. The machine can be operated single-handedly or with two pairs of hands.
Features of a rock drill
The main features of the hand-held drill include maximum power, light weight combined with compact dimension, long service life and excellent performance since the tool is placed in an optimum position to absorb impact energy.
Thanks to its versatile design, this particular device can switch between vertical and horizontal positions efficiently. This allows for several functions, including drilling holes and boring holes as wide as 25 mm at 90 degrees and 60 degrees.
The hand-held rock drill comes with an automatic water pump feature that allows you to keep your hands dry when using the tool for extended periods of time or work in areas where water may be present, like near rivers or lakes.
The drills are also helpful for underwater drilling purposes. In addition to this, these tools are made from a high-quality material which makes them durable and long-lasting. The drill bit can be changed quickly by using a quick change chuck on the hammer handle.
Uses of a Hand Held Rock Drill
1. Drilling of blast holes
A hand-held drill is used for drilling blast holes in medium-hard and hard rock in underground mining, quarries, and similar applications. The drill has a bit holder with two jaws and a chuck with an adjusting mechanism for holding the bits. The equipment also comes with an air-flushing mechanism for quicker blasting cycles.
2. Tunnel excavation
The pneumatic rock drills used in raised hole drilling and bolt hole drilling are designed for high production raise driving and borehole drilling in tunneling projects.
3. Bolting rounds
T-threaded couplings and bolts can be easily used in bolting rounds for vertical action, while the D-handle is used for horizontal action. They are also used for bolting in underground mines, roadways, galleries and tunnels with the help of standard T-threaded couplings.
4. Used to drill a variety of holes
The tools are used to drill various plughole sizes between 8mm to 38mm in diameter, with different power levels ranging from 100W to 600W. Holes can be dug as deep as 300 mm, piercing effortlessly through brick, concrete, and roofs for piping, cabling, and duct installations. The tools can be hand-held or attached to a drill rig where the operator can rotate them at high speed.
Despite being compact and lightweight, these drills are pretty sturdy (<5kg). These can get three times the work done by a regular electric chipper. The two-in-one functions of chipping and drilling are seamless, with the only need being replacing the chipping tool with drill steel and vice versa.
The coupling chuck helps keep the tools in place and reduces the instances of unintended dismantling while also being responsive enough to swift tool changes. With the functionality of a built-in lubricator, the maintenance is smooth and hassle-free. The beauty of this equipment is that it can be pushed to its limits without worrying about burnout.
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