Design of Machine Elements detailed syllabus for Mechanical Engineering (ME) for 2015 revision curriculum has been taken from the SITTTRs official website and presented for the ME students. For course code, course name, number of credits for a course and other scheme related information, do visit full semester subjects post given below.
For Mechanical Engineering 5th Sem scheme and its subjects, do visit ME 5th Sem 2015 revision scheme. The detailed syllabus of design of machine elements is as follows.
Course Outcomes:
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SPECIFIC OUTCOME
MODULE I
- Understand the factors governing the Design of Machine elements
- List the factors governing the design
- Define the general procedure for design
- Illustrate the methods of design – analytical and empirical
- Explain design stress, working stress and factor of safety
- Design of Bolts, Nuts and Keys using analytical and empirical methods
- Define the important terms used in screw threads
- List the standard dimensions of screw threads and empirical formulae
- Explain the designation of screw threads
- Identify the stresses due to static loading, initial stresses and stresses due to external forces, stresses due to combined forces
- Estimate the size of the screw from above stresses
- Design cylinder covers
- Simple problems related to design of cylinder covers
- Explain the bolts of uniform strength
- Classify the various types of keys
- Determine the proportions of sunk key
- Calculate the strength of rectangular sunk key and square sunk key
- Select the key size using empirical proportions, simple problems
- Analyze the working efficiency of screw jack
- Determine the effort, torque required and efficiency of a square threaded screw jack with collar and without collar fiction
- Calculate the maximum efficiency of a square threaded screw
- Describe overhauling and self locking
- Calculate the efficiency of self locking screw jack
MODULE II
- Design Shafts and Power Transmitted by Shafts State torsion equation and explain each term
- Design the diameter of solid and hollow shafts from strength and rigidity considerations
- Determine the power transmitted by the shafts subjected to torque
- Calculate the diameter of shaft considering strength and stiffness
- Compare solid and hollow shafts in terms of their weight, strength and stiffness
- Design coupling using analytical and empirical methods and check for safety
- State the purpose of couplings
- Design the dimensions of muff coupling
- Design the dimensions of rigid flange coupling and check for safety 4
- Draw the above coupling after calculating the dimensions
MODULE III
- Justify the basic design procedure of bearings
- State the functions of bearings
- Classify the bearings
- Explain generally as to what is meant by sliding contact and rolling contact bearings
- Estimate the proportions of solid journal bearing empirically based on journal diameter and sketch
- Explain the bearing characteristic number and the significance of bearing modulus
- Determine the proportions of a foot step bearing empirically based on shaft diameter and sketch
- Design of journal bearing given the load allowable bearing pressure and l/d ratio
- Solve simple problems involving the design of solid journal bearings and foot step bearings
- Calculate the Heat generated in journal bearings
- Recognize different types of Cams and Followers
- Define various terms of cam terminology
- Explain the various displacement diagrams
- Draw the cam profiles of a disc cam with offset and without off set for knife edge and roller follower
- Appreciate the purpose and uses of Governors and Flywheels
- Explain the function of governors
- list the types of governors
- Illustrate the principle of working of simple watt governor and porter governor
- Identify the terms used in governors – height of governors, equilibrium speed, mean equilibrium speed, maximum and minimum equilibrium speed, sleeve lift, sensitiveness, stability and hunting of governors
- Explain the functions of fly wheel
- Compare the functions of flywheel with governor
- Explain fluctuation of speed, fluctuation of energy, coefficient of fluctuation speed, coefficient of fluctuation of energy, energy stored in fly wheels, turning moment diagrams
MODULE IV
- Appreciate the application of Belt, Rope and Chain Drive
- State the application of belt drives
- Explain the terms open belt, crossed belt, angle of lap belt, slack and tight sides, velocity ratio, slip, creep, centrifugal tension and power transmitted
- Solve simple problems related to V.R. and slip
- Calculate the Length of belt of an open belt and crossed belt ( No derivation)
- State the Ratio of belt tensions (no proof)
- Determine the power transmitted by a belt
- Calculate the width of flat belt without considering centrifugal tension
- Illustrate V belt, rope or circular belt drive
- State the advantages and disadvantages of chain drive over belt drive
- Design Gear proportions and gear trains
- State the function of gear and friction wheel
- Mention the advantages and disadvantages of gear drive
- Illustrate the spur gear nomenclature including addendum, deddendum, module, pitch circle, circular pitch, pitch point, diametric pitch, clearance
- Explain simple gear train, compound gear train, reverted gear train and epicyclic gear train
- Solve simple problems on simple and compound gear trains
MODULE I
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MODULE II
Tensional stresses and strains (Review) – strength of solid and hollow shaft – comparisons – problems -power transmitted by shaft – simple problems – working stresses for shafts – design of shaft based on strength and rigidity – shafts subjected to twisting moment and bending moment – simple problems -design of shafts on the basis of torsional rigidity- simple problems -Compare solid and hollow shaft in terms of their weight, strength and stiffness -simple problems. Couplings Shaft couplings – requirement – types -design of sleeve or muff coupling – design and sketch flange coupling using calculated values-unprotected type -simple problems.
MODULE III
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MODULE IV
BELT, ROPE AND CHAIN DRIVE Types of belts – flat belt, circular belt or rope, V-belt – types of flat belt drives – open and crossed belt drive – compound belt drive – stepped or cone pulley drive – velocity ratio – slip – creep -problems -length of an open belt – length of crossed belt – problems – power transmitted by a belt -ratio driving tensions for flat belt drive (no proof) – angle of contact – problems – centrifugal tension – calculation of width of the belt (without considering centrifugal tension) – problems V-belt drive – rope or circular belt drive – chain drive – advantages and disadvantages over belt drive. Gears and Gear Trains Functions of gears – friction wheels – advantages and disadvantages of a gear drive – spur gear nomenclature – addendum, dedendum, module, pitch circle, circular pitch, pitch point, diametric pitch, and clearance. Simple gear drive – Velocity ratio – gear trains – simple gear train – compound gear train – reverted gear train – epicyclic gear train -simple problems on simple and compound gear trains-number of teeth and gears.
Text Books:
For the complete syllabus, results, class timetable, and many other features kindly download the iStudy App
It is a lightweight, easy to use, no images, and no pdfs platform to make students’s lives easier..
Reference Books:
- A Text book of Automobile Engineering – T.R. Banger and Nathu Singh
- Machine Design – Dr. Sadhu Singh.
- Design of Machine elements M.R.Thomas.
For detailed syllabus of all other subjects of Mechanical Engineering, 2015 revision curriculum do visit ME 5th Sem subject syllabuses for 2015 revision.
To see the syllabus of all other branches of diploma 2015 revision curriculum do visit all branches of SITTTR diploma 2015 revision.