Title      : Engineering Drawing
Subject      : Mechanical Engineering
copyright © 2020   : Scitech Publications (India) Pvt Ltd
Author      : Narayana K.L and Kannaiah P
Publisher      : Scitech Publications (India) Pvt Ltd
Chapters/Pages      : 18/606
Total Price      : Rs.      : 293
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Contents Total views (0)  
Engineering drawing is said to be the language of an engineer, and it can be considered as a powerful tool to convey his ideas. Infact, there are evidences that pictorial language compared to other languages, dates back to very old times in its invention and usage. There are certain areas where no language other than engineering drawing can play the vital role of communication. The subject of engi ......
Pages: 20
Price: Rs 0   
Chapter 1 * Engineering Drawing and Draughting Tools Total views (0)  
A drawing prepared by an engineer, for an engineering purpose is known as an engineering drawing. It is the graphic representation of physical objects and their relationships. It is prepared, based on certain basic principles, symbolic representations, standard conventions, notations, etc. It is the only universal means of communication used by engineers, a language of ever increasing value.
Pages: 14
Price: Rs 7   
Chapter 2 * Principles of Graphics Total views (0)  
Any language to be communicative, should follow certain rules so that it conveys the same meaning to every one. Similarly, draughting practice must follow certain rules, if it is to serve as a means of communication. For this purpose, Bureau of Indian Standards (BIS), adopting the International Standards on code of practice for drawing, has formulated certain rules and published through BIS, SP: 4 ......
Pages: 22
Price: Rs 11   
Chapter 3 * Geometrical Constructions Total views (0)  
There are a number of geometrical constructions with which a draughtsman or an engineer should be familiar, as they frequently occur in Engineering Drawing. The methods presented in this chapter are actually applications of the principles of plane geometry. Since the subject of plane geometry is a pre-requisite for a course in ‘Engineering Drawing’,” the mathematical proofs are omitted here.
Pages: 12
Price: Rs 6   
Chapter 4 * Scales Total views (0)  
All engineering drawings are prepared to some scale. For clarity of a drawing, the scale adopted should be the largest possible one. The term, “Scale” is defined as the ratio of the length of a line in the drawing to the actual length of the edge on the object. This ratio is also called scale factor (S.F).
Pages: 28
Price: Rs 14   
Chapter 5 * Curves used in Engineering Practice Total views (0)  
In engineering practice, the pro les of some of the objects contain regular curved features. Some are obtained as intersections, when a plane passes through a cone and some are obtained by tracing the locus of a point moving according to the mathematical relationship, applicable to that particular curve. The following types of curves are considered in this chapter: Conic sections, Cycloidal curves ......
Pages: 52
Price: Rs 26   
Chapter 6 * Orthographic Projections Total views (0)  
Any object has three dimensions, viz., length, width and thickness. A projection is defined as a representation of an object on a two dimensional plane. The following are the elements to be considered while obtaining a projection: 1. The object, 2. The plane of projection, 3. The point of sight, and 4. The rays of sight.
Pages: 30
Price: Rs 15   
Chapter 7 * Projections of Points Total views (0)  
Projections of points, lines and planes must be studied in order to understand the projections of solids, because it could be said that a solid consists of a number of planes, a plane consists of a number of lines and a line consists of a number of points.
Pages: 16
Price: Rs 8   
Chapter 8 * Projections of Straight Lines Total views (0)  
A straight line may also be defined as the shortest distance between two points. A straight line may be located in space either by specifying the location of the end points or by specifying the location of one end point and the direction.
Pages: 54
Price: Rs 27   
Chapter 9 * Projections of Planes Total views (0)  
In structural design, it is necessary to know the representation of plane surfaces of different shapes in all the possible orientations. The treatment presented here is based on the principles dealt with, in the preceding two chapters. Plane surfaces have two dimensions, viz., length and breadth; the third dimension, the thickness being zero. Plane surfaces may be considered of infinite sizes. How ......
Pages: 38
Price: Rs 19   
Chapter 10 * Auxiliary Projections Total views (0)  
Three views, viz., front, top and side views of an object are sometimes not sufficient to reveal complete information regarding the size and shape of the object. To serve the purpose, additional views known as auxiliary views, projected on auxiliary planes may be used. Auxiliary plane is a plane, perpendicular to one of the principal planes of projection and inclined to the other. Auxiliary views ......
Pages: 32
Price: Rs 16   
Chapter 11 * Projections of Solids Total views (1)  
A solid is a three dimensional object having length, breadth and thickness. In engineering practice, one often comes across solids bounded by simple or complex geometric surfaces. To represent a solid in orthographic projections, the number and types of views necessary will depend upon the type of solid and its orientation with respect to the principal planes of projection. The applications of aux ......
Pages: 56
Price: Rs 28   
Chapter 12 * Sections of Solids Total views (0)  
The conventional orthographic views, if selected and drawn properly, may reveal sufficient information about the shape and size of the object. However, the conventional views may consist of too many hidden lines for complicated objects, which make the interpretation difficult. To overcome this, it is customary to imagine the object, cut by a section plane. The portion of the object between the obs ......
Pages: 46
Price: Rs 23   
Chapter 13 * Development of Surfaces Total views (1)  
The complete surface of an object, laid-out on a plane is called the development of the surface or flat pattern of the object. The development of geometrical surfaces is important in the fabrication of not only small, simple shapes made of thin sheet metal, but also, sophisticated pieces of hardware such as space capsules. In actual practice, bend allowances have to be made in the layout of the pa ......
Pages: 36
Price: Rs 18   
Chapter 14 * Intersection of Surfaces Total views (0)  
The term, ‘intersection of surfaces’, in general, is used when two curved surfaces meet together, such as cones and cylinders. And the term, ‘inter-penetration’ of solids is used when solids having plane surfaces intersect each other. However, in practice, the term, ‘intersection of surfaces’, is used when the intersecting solids have either plane or curved surfaces. The knowledge of i ......
Pages: 34
Price: Rs 17   
Chapter 15 * Isometric Projections Total views (0)  
Interpretation of the shape of an object from a multi-view drawing is difficult, without the knowledge of the principles of orthographic projections. Pictorial drawings are used to convey specific information to persons who cannot visualize an object from its views. Pictorial drawings are mainly used to show complicated structures such as aircraft, rocket shell, etc. Pictorial drawings in the form ......
Pages: 50
Price: Rs 25   
Chapter 16 * Perspective Projections Total views (0)  
Like isometric and oblique projections, perspective projection is another method of pictorial projection. But, it differs from each other in depiction. It is the view of an object on a plane surface, as it appears to an observer, stationed at a particular position, relative to the object. The perspective is different in appearance, from its actual form and it is due to optical illusion. A picture ......
Pages: 30
Price: Rs 15   
Chapter 17 * Computer Aided Daughting using AutoCAD Total views (0)  
Most of the companies and students of Engineering Institutions are replacing their draughting boards with Computer Aided Draughting Systems which have a tremendous advantage over conventional draughting systems. CAD system cannot do anything unless it is operated by a technical person who has a thorough knowledge of drawing fundamentals. In fact, a CAD system requires a technical person to have a ......
Pages: 36
Price: Rs 18