Machine Design
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Machine Design Syllabus — Unit-wise Content
The official GTU curriculum for Machine Design (subject code 2171909) as prescribed for Mechanical Engineering · Semester 7 divides the course into 4 units, covering 36 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 (2171909)Unit 1 Gear Design
- Recitation: Classification of gears
- Selection of type of gears
- Law of Gearing
- Gear terminology
- Standard system of gear tooth
- force analysis
- Interference and undercutting
- number of teeth
- gear tooth failures
- selection of material
- Spur and Helical Gears: Stress in gear tooth: Lewis formula
- AGMA bending stress equation and AGMA pitting resistance formula
- Gear quality and selection aspects
- Bevel and Worm gears: Specifications and design of bevel and worm gears
Unit 2 Design of Gear Box for Machine Tools
- Comparison and Choice of progression (Arithmetic
- Harmonic and Logarithmic)
- general design procedure
- determination and fixation of spindle speeds
- selection of the best structure diagram
- selection of gear layout and ray diagram
- determination of number of teeth on gears
Unit 3 Journal Bearings
- Classification of bearings
- Journal bearing Types
- Lubrication: types of lubrication
- Effect of pressure and temperature on viscosity
- Stable lubrication
- Thin and thick film lubrication
- Hydraostatic Bearing: Viscous flow through rectangular slot
- step bearing
- energy losses
- Hydrodynamic Bearing: Lubrication theory (Petroff’s Equation
- Reynolds’ Equation)
- Design of bearings with Raimondi and Boyd method
- power and heat generation
- bearing materials
Unit 4 Rolling Contact Bearings
- 4 Note: Use of Design data book should be permitted during the examination
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