JNTUK R20 B.Tech Mechanical 1-1 Engineering Drawing Material/ Notes PDF Download

JNTUK R20 B.Tech Mechanical 1-1 Engineering Drawing Material/ Notes PDF Download: Discover the basics of engineering drawing with our JNTUK R20 B.Tech Mechanical 1-1 Engineering Drawing Material. Designed to teach students how engineers communicate through drawings, our material introduces techniques for constructing polygons, curves, and scales. It also focuses on developing students’ ability to accurately visualize and represent 3D objects on 2D planes, ensuring proper dimensioning and scaling. Accessible through downloadable PDFs, our resources provide invaluable support for mastering engineering drawing concepts, making learning both accessible and efficient. Start your journey towards mastering engineering communication effortlessly with our material.

JNTUK R20 B.Tech 1-1 Engineering Drawing Material – Units

Unit 1 Syllabus PDF Download | JNTUK R20 B.Tech 1-1 Engineering Drawing Material

Introduction To Design Drawing: To introduce the students to using drawing instruments and to draw polygons, Engg. Curves. Polygons: Constructing regular polygons by general methods, inscribing and describing polygons on circles. Curves: Parabola, Ellipse, and Hyperbola by general and special methods, cycloids, involutes, tangents & normals for the curves. Scales: Plain scales, diagonal scales, and vernier scales.

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Unit 2 Syllabus PDF Download | JNTUK R20 B.Tech 1-1 Engineering Drawing Material

Drawing Of Cubes and Perspective: To introduce the students to the use of orthographic projections, projections of points & simple lines. To make the students draw the projections of the lines inclined to both planes. Orthographic Projections: Reference plane, the importance of reference lines, projections of points in various quadrants, projections of lines, a line parallel to both the planes, and a line parallel to one plane and inclined to another plane. Projections of straight lines inclined to both the planes, determination of true lengths, angle of inclination, and traces.

Unit 3 Syllabus PDF Download | JNTUK R20 B.Tech 1-1 Engineering Drawing Material

Projection Drawing: The objective is to make the students draw the projections of the plane inclined to both planes. Projections of planes: regular planes perpendicular/parallel to one reference plane and inclined to the other reference plane; inclined to both the reference planes.

Unit 4 Syllabus PDF Download | JNTUK R20 B.Tech 1-1 Engineering Drawing Material

Analytical Drawing: The objective is to make the students draw the projections of the various types of solids in different positions inclined to one of the planes. Projections of Solids – Prisms, Pyramids, Cones, and Cylinders with the axis inclined to both planes.

Unit 5 Syllabus PDF Download | JNTUK R20 B.Tech 1-1 Engineering Drawing Material

Visualization using AutoCAD: The objective is to represent the object in 3D view through isometric views. The student will be able to represent and convert the isometric view to the orthographic view and vice versa. Conversion of isometric views to orthographic views; Conversion of orthographic views to isometric views. Computer-Aided Design, Drawing practice using Auto CAD, Creating 2D&3D drawings of objects using Auto CAD.

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JNTUK R20 B.Tech 1-1 Engineering Drawing Notes – Outcomes

• Students will grasp the skill of visualizing 2D and 3D objects.
• The learning process will involve mentally understanding how to visualize objects in two and three dimensions.