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Course Detail

Course Name Machine Drawing
Course Code 19MEE305
Program B. Tech. in Mechanical Engineering
Semester Five
Year Taught 2019


Unit 1

Fundamentals of Machine Drawing: Standardization,Inter-changeability, Selective Assembly,Limits, Fits, Tolerance, Tolerance of form and position,Grades of tolerance, Standard tolerances Machining symbols, Welding symbols, Surface finish indication, Functional and manufacturing datum, Riveted and butt Joints,Fasteners and keys

Unit 2

Drawing of Machine Elements (Manual & Using Application Packages):
Application package Introduction: Drawing, Editing, Dimensioning, Assembly, basic principles of GD&T (geometric dimensioning & tolerance)
Shaft joints:Cotter joint and Knuckle joint. Shaft coupling: Muff, Flanged, Flexible, Universal and Oldham’s coupling.
Shaft bearing: Solid and bush bearing, Plummer block, Footstep bearing. Pipe joint: Flanged joint, Socket and Spigot joint, Hydraulic joint, Union joint, Gland & Stuffing Boxand Expansion joint.
Pulley: Belt pulley, V belt pulley, Fast and loose pulley, Speed cone pulley and built up pulley

Unit 3

Assembly Drawings (Manual & Using Application Packages):Valves: Stop valve, relief valve, safety valve and non- return valve
Machine tool components: Drill Jig, Tail Stock, Tool post, machine vice and screw jack.Engine: Piston and connecting rod. Preparation of bill of materials and tolerance data
Project: Students will be assigned to take up an assembly and create three dimensional and part drawings by following standard drawing practices

Objectives and Outcomes

Course Objectives

This course is expected to:

  • To understand and apply standards in drawing machine component
  • To understand the concept of various tolerances and fits used for component design
  • To familiarize in drawing assembly, orthographic and sectional views of various machine components
  • Use CAD packages to Create solid models and Generate orthographic projections of machine components and assembly

Course Outcomes

  • CO1: Follow the standards to create machine drawings.
  • CO2: Apply limits and tolerances to assemblies and choose appropriate fit.
  • CO3: Develop solid models of machine components and assembly, and Construct sectional and orthographic views of components.
  • CO4: Make use of CAD packages for solid modeling of machine parts and Create bill of materials.

CO – PO Mapping

CO1 3 3 1 3 1 1 1
CO2 2 1 1 3 1 1
CO3 1 1 3 1 3 1 1 2
CO4 1 2 1 3 1 1 2

Textbook / References


  • Gopalakrishna K. R., “Machine Drawing”, 16th Edition, Subhas publishing House, 2002


  • Narayana K.L., “Machine Drawing”, 4th Edition, New Age International publishers, 2010
  • Gill P.S. “A Textbook of Machine Drawing”, 18th Edition, S. K. Kataria& Sons, 2013
  • Bhat N.D., and Panchal, V.M., “Machine Drawing” 48th Edition, Charotar Publication House, 2013

Evaluation Pattern

Assessment Internal External
*Continuous Assessment (CA) 80
End Semester 20
*CA – Can be Quizzes, Assignment, Projects, and Reports.

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