English: (Photo credit: Wikipedia) |
Jig vs Fixture
The human hand is designed to perform
tasks that are necessary for everyday life; it is at the same time
created for the purpose of holding items or tools which aid in making
tasks easier and faster to do. Two of the most widely used tools that
man uses are a jig and a fixture.
A jig is a cutting machine work tool for
metalwork and woodwork that is designed to guide and control the
location and movement of another tool. Using it is time and cost
effective, and it is very accurate and adaptable to all types of
drilling locations. Jigs are created by tradesmen and craftsmen to
enable them to do repeated tasks more easily and precisely while at the
same time increasing their productivity. They are also called templates
or guides and have been in use since before the Industrial Age.
Instead of using square scribers, height
gauges, center punches, and other tools, jigs are utilized as they
enable workers to do their jobs in less time thus increasing their
productivity. An example of how a jig is used is in key duplication
wherein the original is used as a jig to form a pattern or mold for the
duplicate key. There are several types of jigs, some of which are: PCB
jigs, machining jigs, woodworking jigs, welding jigs, jeweler jigs, and
drill jigs which are the most commonly used jigs. Examples of drill
jigs are: box jig, sandwich jig, angle plate jig, and channel jig.
Jigs are often used synonymously with
fixtures, and they are referred to together as a jig and fixture. A
fixture, though, is a totally separate tool. It is different from a jig
in that it is designed only to hold the workpiece and the machine bed
to their locations while the jig is used to hold and guide the tool. It
aligns and puts the workpiece firmly in place to allow for easier and
faster completion of a machine operation or industrial
process. Unlike a jig, a fixture does not directly come in contact
with a cutting tool, and it is individually designed to fit a certain
shape or part.
There are two types of fixtures: general
purpose fixtures such as vises and chucks which are more expensive but
can be used for a variety of workpieces; and special purpose fixtures
which are specifically designed for a certain workpiece.
Together, jigs and fixtures greatly
increase productivity while at the same time decreasing costs allowing
for the production of high-quality products which are made according to
specifications. Efficiency is maximized while errors are reduced.
Summary:
1.A jig is a machining tool that is used
to guide and control the location and movement of another tool while a
fixture is a machining tool that is used to hold a workpiece firmly in
place.
2.Both jigs and fixtures are used to reduce work time and increase productivity; while a fixture aligns the workpiece, a jig acts as a pattern or guide.
3.There are two types of fixtures; general purpose and special purpose while there are several types of jigs; drill, machining, jeweler, etc.
2.Both jigs and fixtures are used to reduce work time and increase productivity; while a fixture aligns the workpiece, a jig acts as a pattern or guide.
3.There are two types of fixtures; general purpose and special purpose while there are several types of jigs; drill, machining, jeweler, etc.
Post a Comment
Thankyou , we will revert back soon..