Manual of Engineering Drawing

Machining and CNC Technolog
October 3, 2018
Manufacturing Processes
October 5, 2018

Manual of Engineering Drawing

Manual of Engineering Drawing

Book Details

Pages : 308
Size : 5 MB

Book Description

This latest edition of A Manual of Engineering Drawing
has been revised to include changes resulting from the
introduction of BS 8888. British Standard 308 was
introduced in 1927 and acknowledged by Draughtsmen
as THE reference Standard for Engineering Drawing.
The British Standards Institution has constantly kept
this Standard under review and taken account of
technical developments and advances. Since 1927, major
revisions were introduced in 1943, 1953, 1964 and
1972 when the contents of BS 308 Engineering
Drawing Practice was divided into three separate
Part 1: General principles.
Part 2: Dimensioning and tolerancing of size.
Part 3: Geometrical tolerancing.
In 1985, the fifth revision was metricated.
During the period 1985–2000 major discussions were
undertaken in co-operation with International Standards
The general trend in Engineering Design had been
that the designer who was responsible for the conception
and design of a particular product generally specified
other aspects of the manufacturing process.
Gradually however, developments from increased
computing power in all aspects of production have
resulted in progressive advances in manufacturing
techniques, metrology, and quality assurance. The
impact of these additional requirements on the Total
Design Cycle resulted in the withdrawal of BS 308 in
2000. Its replacement BS 8888 is a far more
comprehensive Standard.
The full title of BS 8888 reflects this line of thought.
BS 8888. Technical product documentation (TPD).
Specification for defining, specifying and graphically
representing products.
It must be appreciated and emphasized that the
change from BS 308 to BS 8888 did not involve
abandoning the principles of Engineering Drawing in
BS 308. The new Standard gives the Designer a vastly
increased number of tools at his disposal.
It is important to stress that British and ISO drawing
standards are not produced for any particular draughting
method. No matter how a drawing is produced, either
on an inexpensive drawing board or the latest CAD
equipment, the drawing must conform to the same
standards and be incapable of misinterpretation.
The text which follows covers the basic aspects of
engineering drawing practice required by college and
university students, and also professional drawing office
personnel. Applications show how regularly used
standards should be applied and interpreted.
Geometrical constructions are a necessary part of
engineering design and analysis and examples of two-
and three-dimensional geometry are provided. Practice
is invaluable, not only as a means of understanding
principles, but in developing the ability to visualize
shape and form in three dimensions with a high degree
of fluency. It is sometimes forgotten that not only does
a draughtsman produce original drawings but is also
required to read and absorb the content of drawings he
receives without ambiguity.
The section on engineering diagrams is included to
stimulate and broaden technological interest, further
study, and be of value to students engaged on project
work. Readers are invited to redraw a selection of the
examples given for experience, also to appreciate the
necessity for the insertion and meaning of every line.
Extra examples with solutions are available in
Engineering Drawing From First Principles using
AutoCAD, also published by Butterworth-Heinemann.
It is a pleasure to find an increasing number of
young ladies joining the staff in drawing offices where
they can make an effective and balanced contribution
to design decisions. Please accept our apologies for
continuing to use the term ‘draughtsmen’, which is
the generally understood collective noun for drawing
office personnel, but implies equality in status.
In conclusion, may we wish all readers every success
in their studies and careers. We hope they will obtain
much satisfaction from employment in the absorbing
activities related to creative design and considerable
pleasure from the construction and presentation of
accurately defined engineering drawings.

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