Design of Machine Elements
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Design of Machine Elements Syllabus — Unit-wise Content
The official GTU curriculum for Design of Machine Elements (subject code 3171917) as prescribed for Mechanical Engineering · Semester 7 divides the course into 9 units, covering 61 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (3171917)Unit 1 Design Considerations
- Preferred numbers
- Tolerances and Fits
- System design
- Manufacturing considerations. 02*
Unit 2 Design of Coupling
- Types of coupling
- Design of Muff coupling
- Clamp coupling
- Rigid flange coupling and Bush pin type flexible coupling
Unit 3 Spring
- Types of spring
- Stress and deflection equations
- Design of helical spring
- Concentric springs
- Design of Multi-leaf spring
Unit 4 Pressure vessels
- Thin cylinder
- Thin spherical vessels
- Thick cylinders
- Lame’s equation
- Clavarino’s and Birnie’s equations
- Cylinder with external pressure
- Compound cylinder
Unit 5 Rolling contact bearings**
- Types of rolling-contact bearings
- Selection of bearing type
- Static load carrying capacity of bearing
- Dynamic load carrying capacity of bearing
- Equivalent bearing load
- Load-life relationship
- Selection of bearing from manufacturer’s catalogue
- Bearing with probability of survival other than 90 percent
- Design for cyclic load
Unit 6 Sliding contact bearings**
- Basic mode of lubrication
- Measurement of viscosity
- Viscosity index
- Petroff’s equation
- McKee’s equations
- Interpretation of Reynold’s equation
- Difference between hydrodynamic and hydrostatic bearing
- Performance parameters for journal bearings
- Bearing design – selection of parameters for journal bearing
Unit 7 Design of gear drives (Spur, Helical, Bevel and Worm)**
- Classification of gears
- Selection of type of gears
- Standard system of gear tooth
- Force analysis
- Gear tooth failures
- selection of material
- Beam strength of gear tooth
- Wear 10 Subject Code: 3171917 w.e.f
- AY 2018-19 strength of gear tooth
- Virtual number of teeth
- Thermal considerations for worm gear
Unit 8 Speed Gear box
- Various laws of stepped Regulation
- Standard values of G
- P. ratio and guidelines for selecting a proper value
- Break up of speed steps
- Structural diagram and their analysis to select the best possible version
- Speed chart
- General recommendations for developing the gearing diagram
- Determine the no. of teeth of gear
Unit 9 Design of Mechanisms
- Valve gear mechanism for IC engine
- Hoisting tackle analysis
- Wire rope design
- Crane hook Assembly 07 * Topic 1 should be covered during tutorial class. ** Use PSG design data book for equations/data/chart
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