Industry Type:
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| chemical | construction
| electrical |
food processing | mining
material handling | pharmaceutical
| plastics | process
| pulp and paper | oil
and gas | woodworking
Industrial Hand and Power Tools
Industrial Tools are typically divided into hand and power tools. A tool, among other things, is a device that gives us a mechanical advantage in accomplishing a task. Most tools employ some form of simple machine, or a combination of them. For example, a hammer simply functions as a lever with the fulcrum being the hand of the user. The use of tools began in Stone age. Humans made knifes out of stone, digging sticks out of trees, and spears out of wood and stone. Mechanical tools were developed by the Greeks utilizing energy sources such as water in waterwheels and wind in windmills. Machine tools first appeared in the Industrial revolution where new metal and woodworking skills were combined with advancements in steam and electrical technologies. Today, experts in nanotechnology expect a surge in the development of microscopic tools that operate on a molecular level. Other than the distinction between hand and power tools, there are other divisions depending on the nature of the task they are used for and the function they perform, i.e., cutting.
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Tool and Trade Categories
air | hand | power
| machine | measuring
- - - leather | plumbing
| welding | woodworking
Kinds
of Tools
Hand tools include anything that we use with our hands. They include such
things as pliers, wrenches, axes, chisels, drills, files, hammers, planes,
saws, screwdrivers and shovels. Agricultural tools include such things
as a shovel, scythe or a sickle. Power tools include anything that uses
air, electricity or is battery powered. Power cord or cordless drills,
sanders, routers, crushers, cement breakers, and nail guns are all good
examples. Air tools include impact wrenches, air hammers, air blow guns,
air chisels, etc. There are machine tools which cover things such as a
lathe, a milling machine, a grinder or anything else used in metalworking.
Heat generating tools refer to such things as soldering irons, welders,
and cutting torches. There are measuring tools, i.e., a caliper, tape
measure and a square. And finally there are multifaceted tools such as
the highly prized Swiss Army knife and the Leatherman.
Tool
Functions
Tools are invented and used for a variety of functions. Many tools or
groups of tools serve to perform one or more of a set of basic operations.
Hand tools, for example, were invented to perform a variety of functions:
cutting, i.e., a knives and saws, prying, i.e., crowbars and tire irons,
concentrating force, i.e., hammers and vises, guiding, i.e., set squares
and rulers, protecting seizing and holding, i.e., pliers and wrenches.
Machine, power or mechanical tools perform these functions and more, but
use a power source other than human movement. These alternative sources
included everything from the energy provided by a waterwheel, the steam
engine and electricity. These power tools could be operated manually or
automatically. Early power tools used flywheels to stabilize their motion
and had complex systems of gears and levers to control the tool and the
piece being worked on. With computers came a new revolution in tool functionality
and capability. Computerized machines or computer numerical control machines
(CNC) made it possible to perform the same task over and over again which
meant more complexity than was ever thought possible. Today, it is possible
to design extremely sophisticated engine parts for a car within a matter
of minutes.
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