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Machine Drawing with AutoCAD by Goutam Pohit and Goutam Ghosh | PDF Free Download.
Drawing is the accepted language of engineers. Like any other language, it also serves as a medium of expression and thereby enables engineers to communicate their ideas and thoughts effectively.
Unlike spoken languages, this medium remains unchanged even with the crossing of national boundaries. As a consequence, drawing forms one of the most important components of any engineering curriculum.
Any language must follow a set of rules so that it conveys identical meaning to everyone for a particular word or a phrase.
Similarly, the rules and construction methodology for engineering drawings have evolved over a long period of time. However, the methods being followed in engineering drawing, in recent times, have been standardized throughout the world.
The Bureau of Indian Standards (BIS) has issued a code of practice for general engineering drawing to be followed in India. Without a sound knowledge of engineering drawing and the associated rules, it is not possible to become a good engineer.
An engineer visualizes his concept, but to give a concrete shape to his ideas, he has to take the help of engineering drawing. In this book, the methodology of engineering drawing has been described from the beginning, following the BIS codes as far as possible.
The last two decades have witnessed the application of computers in every sphere of life. With the availability of advanced graphical display techniques and sophisticated software, the nature of design and drafting methodology has changed to a great extent and continues to do so.
Not only is the manual mode of drafting being replaced by the CAD system, but there is also a change in the basic approach as well.
Instead of 2-D drawings, designers/drafters prefer to develop the components or assembly of components in 3-D, using the solid model facilities provided by different CAD packages.
Once the solid models are available, the creation of the corresponding 2-D drawings is simple work. In order to cope up with the modern trend, it is essential for students to have a basic knowledge of “modeling” along with conventional drafting practices to exploit the full advantages of a CAD system.
The major objective of this book is to explain the underlying principles and to provide insight into the application of various types of machine components and to assist students to master the art of computer-aided drafting.
The book provides a comprehensive and practical overview of machine drawing with an aim to serve as a text and reference source for students as well as professional engineers who intend to venture into the thrilling world of computer-aided drafting.
The book is developed with an intent to facilitate self-study; therefore, practicing engineers may find the text useful to update themselves in this fast-changing field.
Efforts have been made to expose the students to the amazing features of CAD software in a manner that they can realize the full potential of computer-aided drafting in machine drawing.
Any suggestions from teachers, students, and professional engineers on modification/ improvement of content and presentation will be most welcome.
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