JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Course Objectives:

• To develop the ability of visualization of different objects through technical drawings
• To acquire computer drafting skill for communication of concepts, ideas in the design of engineering products

Course Outcomes

At the end of the course, the student will be able to:

• Apply computer aided drafting tools to create 2D and 3D objects
• sketch conics and different types of solids
• Appreciate the need of Sectional views of solids and Development of surfaces of solids
• Read and interpret engineering drawings
• Conversion of orthographic projection into isometric view and vice versa manually and by using computer aided drafting

UNIT - I

Introduction to Engineering Graphics: Principles of Engineering Graphics and their Significance, Scales – Plain & Diagonal, Conic Sections including the Rectangular Hyperbola – General method only. Cycloid, Epicycloid and Hypocycloid, Introduction to Computer aided drafting – views, commands and conics

UNIT - II

Orthographic Projections: Principles of Orthographic Projections – Conventions – Projections of Points and Lines, Projections of Plane regular geometric figures. Auxiliary Planes. Computer aided orthographic projections – points, lines and planes

UNIT - III

Projections of Regular Solids – Auxiliary Views - Sections or Sectional views of Right Regular Solids – Prism, Cylinder, Pyramid, Cone – Auxiliary views, Computer aided projections of solids – sectional views

UNIT - IV

Development of Surfaces of Right Regular Solids – Prism, Cylinder, Pyramid and Cone, Development of surfaces using computer aided drafting

UNIT - V

Isometric Projections: Principles of Isometric Projection – Isometric Scale – Isometric Views – Conventions – Isometric Views of Lines, Plane Figures, Simple and Compound Solids – Isometric Projection of objects having non- isometric lines. Isometric Projection of Spherical Parts. Conversion of Isometric Views to Orthographic Views and Vice-versa –Conventions. Conversion of orthographic projection into isometric view using computer aided drafting.

TEXT BOOKS:

• 1. Engineering Drawing N.D. Bhatt / Charotar
• 2. Engineering Drawing and graphics Using AutoCAD Third Edition, T. Jeyapoovan, Vikas: S. Chand and company Ltd.

REFERENCE BOOKS:

• 1. Engineering Drawing, Basant Agrawal and C M Agrawal, Third Edition McGraw Hill
• 2. Engineering Graphics and Design, WILEY, Edition 2020
• 3. Engineering Drawing, M. B. Shah, B.C. Rane / Pearson.
• 4. Engineering Drawing, N. S. Parthasarathy and Vela Murali, Oxford
• 5. Computer Aided Engineering Drawing – K Balaveera Reddy et al – CBS Publishers

Note

- External examination is conducted in conventional mode and internal evaluation to be done by

both conventional as well as using computer aided drafting.