A power tool can be described as a tool that is powered by an electric motor, a compressed air motor, an internal combustion engine, direct burning fuels and propellants or even natural power sources such as wind or moving water.
It can be categorized into two: stationary or portable meaning handheld.
These tools are used in home improvement and in the construction industry for the functions of driving, drilling, shaping, cutting, sanding, polishing, painting, grinding and heating.
Stationary tools are valued for their speed and accuracy as well.
A good example would be a table saw which not only cuts faster than a hand saw but also gives cuts that are straighter, smoother and squarer than even the most skilled man can do with a hand saw.
A drill, router, electric sander, lathe and various types of saws are some of the most common and widely used.
The term 'power tool' is also used in a more general sense, meaning a technique for greatly simplifying what otherwise would be a complex or difficult task.
Energy Sources Different power tools require different energy sources though the stationary ones universal choice of energy source is an electric motor while portable ones make use of either corded or battery-powered.
For nailers and sprayers, compressed air is the customary power source and there those few tools called powder-actuated tools which are powered by explosive cartridges.
There are also tools that run on gasoline or gasoline-oil mixes which are made for outdoor use such as most chainsaws and string.
Other tools like blowtorches on the other hand will burn their fuel externally to generate heat.
Safety These tools are absolutely helpful but they also produce unreasonable amounts of noise and vibrations.
According to the National Institute for Occupational Safety and Health (NIOSH) a person should not be exposed to noise level at or beyond 85 dB so as to prevent loss of hearing.
Most power tools, including drills, circular saws, belt sanders, and chainsaws, operate at sound levels above the 85 dB limit, some even reaching over 100 dB hence it's always recommended that one uses hearing protection so as to prevent hearing loss from using power tools over a long period of time.
It can be categorized into two: stationary or portable meaning handheld.
These tools are used in home improvement and in the construction industry for the functions of driving, drilling, shaping, cutting, sanding, polishing, painting, grinding and heating.
Stationary tools are valued for their speed and accuracy as well.
A good example would be a table saw which not only cuts faster than a hand saw but also gives cuts that are straighter, smoother and squarer than even the most skilled man can do with a hand saw.
A drill, router, electric sander, lathe and various types of saws are some of the most common and widely used.
The term 'power tool' is also used in a more general sense, meaning a technique for greatly simplifying what otherwise would be a complex or difficult task.
Energy Sources Different power tools require different energy sources though the stationary ones universal choice of energy source is an electric motor while portable ones make use of either corded or battery-powered.
For nailers and sprayers, compressed air is the customary power source and there those few tools called powder-actuated tools which are powered by explosive cartridges.
There are also tools that run on gasoline or gasoline-oil mixes which are made for outdoor use such as most chainsaws and string.
Other tools like blowtorches on the other hand will burn their fuel externally to generate heat.
Safety These tools are absolutely helpful but they also produce unreasonable amounts of noise and vibrations.
According to the National Institute for Occupational Safety and Health (NIOSH) a person should not be exposed to noise level at or beyond 85 dB so as to prevent loss of hearing.
Most power tools, including drills, circular saws, belt sanders, and chainsaws, operate at sound levels above the 85 dB limit, some even reaching over 100 dB hence it's always recommended that one uses hearing protection so as to prevent hearing loss from using power tools over a long period of time.
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