My First Blog - ENGINEERING GRAPHICS
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INTRODUCTION TO ENGINEERING GRAPHICS
An engineering drawing, a type of technical drawing, is used to fully and clearly define requirements for engineered items.
These are the most basic and the foundation of Engineering drawing.
Engineering drawing, most commonly referred to as engineering
graphics, is the art of manipulation of designs of a variety of
components, especially those related to engineering. It primarily
consists of sketching the actual component, for example a machine, with
its exact dimensions. The scale of dimensions is suitably adjusted so as
to properly fit within the contours of the drawing sheet.
There are areas of particular focus, such as in the case of
Structural Engineering, etc. Another consideration is in regards to the
units of measure used; these could be not only Metric or Imperial, but
also the way these are noted is relevant, because it will also reflect
the precision of a dimension.
Engineering drawing, is the most important aspect of mechanical
engineering, as it is the fundamental need to develop the design and
assembly of a machine. While the interpretation of a component in terms
of sketching can be done in various methods, the three most necessary
techniques of drawing/projection are:
In regards to projections, it is worth notice that other less conventional projections do exist, such as dimetric and trimetric
projections, and these are distinguished by the angles used in contrast
to 30 degrees for isometric projections. However, the most common and
accepted is the orthographic projection.
As a practical way to remember how it works, one may imagine
looking at a cube in an empty bowl on a table; the cube would have a
face parallel to the top surface of the table. If one would grab the
cube in the bowl and would rock it forward, a different side of the cube
would become parallel to the table top.
Hence, engineering drawing plays a vital role both in manufacture
and design, as it not only explains the string of arrangement in a
machine, but also tells us about the method to be employed to
manufacture the individual blocks.
An engineering drawing not only helps convey ideas and convert
concepts into reality, an engineering drawing follows criteria and
conventions to eliminate confusion by the the standardization of
nomenclature and practices, as a way to clearly relay the information to
the individual who understands it when it is read, and very
importantly, it indicates or hints how something is going to be
manufactured.
LINK : https://nptel.ac.in/courses/112103019/1 https://www.youtube.com/watch?v=z4xZmBpXIzQ https://www.youtube.com/watch?v=WPRMTWd7f3Q https://www.youtube.com/watch?v=n5Ba6OtDpTU |
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