Pneumatics is science and technology that uses high pressure gas to achieve mechanical movement. Compressed air is usually used to obtain pneumatic energy in industry. However, other high pressure inert gases are also used. Pneumatics is widely used in construction and mining. The pneumatic drilling machine has been designed to perform operations other than drilling, such as boring, countersinking and threading small or large holes. The construction industry, workshops and production lines depend on pneumatic drills for many tasks.
A pneumatic drill, also called a pneumatic hammer, is a portable machine powered by compressed air. Drills used in construction are also hydraulically driven. They are usually used for drilling in rocks, breaking pavements and other applications in construction. There is a hammer driven by a blast of compressed air. Air is supplied to the drill by a small motor-driven compressor. It works like a chisel and hammer, hitting with a drill, not turning. The compressor is usually mounted on a trailer and may contain an electric generator to power lamps and electric tools. The noise of air blow and blows makes pneumatic drills uncomfortable for the operator. Therefore, to protect your ears, you should use ear muffs. In addition, prolonged exposure to the clear vibration generated by the machine may impede blood circulation in the fingers.
● Pneumatic drills have several advantages over other types of tools. Some advantages include:
● Pneumatic tools are light because the motors are small and light compared to hydraulic or electric motors. Light weight causes less employee fatigue.
● They are strong, producing more torque than similar electric tools.
● Solid and durable. Moving parts are smaller than ordinary tools.
● Easy to maintain. Because the moving parts are smaller, maintenance is simple.
● The operation is simple.
● More economical. Pneumatic tools have no electric motors, making them more economical than electric machines.
● Pneumatic drills can be used in places where there is no electricity. Therefore, this device is especially useful in rural areas where electricity may not be available.
● These machines can also be conveniently utilized in moist environments, where use of electric powered devices may not be safe.
Pneumatic drills are used for drilling in solid substances such as rocks. They are also used for breaking slabs and pavements. Drills (applications) of pneumatic drills differ from other drills. The drill works to produce a punching motion similar to a chisel and hammer. Pneumatic drills are most suitable for use on flat surfaces immediately below the operator, such as walkways and walkways.
A pneumatic drill obtains a significant gravity force that increases the pressure of the drill on the work. These machines are not intended for use on slopes or walls. Working in such positions is not suitable, because the weight of the machine will require support in addition to the horizontal force required to press the tool to work.
Road crew managers usually only allow people with a greater attitude to drive pneumatic hammer drills. Some companies require a training session and certification program before allowing employees to use a pneumatic drill.
Operators of pneumatic drills are exposed to both the loud sounds of the motor driving the drill and the loud sounds of the hammer hitting the surface; for this reason, they must wear ear muffs to prevent hearing loss or damage.
As a further precaution, operators usually cannot run the pneumatic drill for a long time. Vibration caused by the drill and tight grip required to maintain control causes a worsening of the operator's circulation, and can also negatively affect the tendons in the operator's hands, arms and wrists, leading to carpal tunnel syndrome.
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