Mailam Engineering College > Courses > B.E. Mechanical Engineering

The Department of Mechanical Engineering takes a great pride in turning out successful technocrats who can tender their best service with boundless competence and untiring dynamism. The Department was awarded with third rank for the best infrastructure facilities available among 225 self-financing colleges by the Anna university verification committee for the year 2008. The course has an updated curriculum which is suitably framed to meet the latest innovation and demands of the industry. Students are imparted with subjects like Design, Production, Thermal, CAD, CAM, CIM, Microprocessor and Computer Programming, etc which turn them to be compatible with all types of industries. Weekly seminars on thrust areas, group discussions and communication skills supplement the regular class works. It has well-furnished Laboratories according to the requirement of the syllabus framed by the Anna University, Chennai.

List of Laboratories:

Manufacturing Technology-I

List of Experiments

1. Facing, plain turning and step turning

2. Taper turning using compound rest, Tailstock set over, etc

3. Single and Multi-start V thread, cutting and knurling

4. Boring and internal thread cutting.

WELDING EXCERCISES

1. Horizontal, Vertical and overhead welding.

2. Gas Cutting, Gas Welding

3. Brazing - for demonstration purpose

SHEET METAL WORK

1. Fabrication of sheet metal tray

2. Fabrication of a funnel

PREPARATION OF SAND MOULD

1. Mould with solid, split patterns

2. Mould with loose-piece pattern

PLASTIC MOULDING

1 Injection Moulding- for demonstration purpose

Fluid Mechanics and Machinery Laboratory

List of Experiments

1. Determination of the Coefficient of discharge of given Orifice meter.

2. Determination of the Coefficient of discharge of given Venturimeter.

3. Calculation of the rate of flow using Rota meter.

4. Determination of friction factor for a given set of pipes.

5. Conducting experiments and drawing the characteristic curves of centrifugal Pump / submergible pump

6. Conducting experiments and drawing the characteristic curves of reciprocating Pump.

7. Conducting experiments and drawing the characteristic curves of Gear pump.

8. Conducting experiments and drawing the characteristic curves of Pelton wheel.

9. Conducting experiments and drawing the characteristics curves of Francis Turbine.

10. Conducting experiments and drawing the characteristic curves of Kaplan turbine.

Manufacturing Technology Laboratory-II:

List Of Experiments:

1. Two or More Measurements in Metal Cutting Experiment (Example: Shear Angle, Cutting Force, Tool Wear etc.)

2. One or More Exercises in Shaper, Slotter, Planner, Drilling, Milling Machines (Example: Round to Square, Dovetail in shaper, internal keyway cutting in Slotter, Round to square in Planner, Drilling, reaming and tapping in drilling machine, Gear Milling and Keyway milling in milling machine.)

3. Two or More Exercises in Grinding / Abrasive machining (Example: Surface Grinding, Cylindrical Grinding.)

4. Two or More Exercises in Assembly of Machined Components for different fits. (Example: Parts machined using Lathes, Shapers, Drilling, Milling, and Grinding Machines etc.)

5. One or More Exercises in Capstan or Turret Lathes

6. One or More Exercises in Gear Machining (Example: Gear Milling, Gear Hobbing etc.)

Strength of Materials Laboratory:

List of Experiments:

1. Tension test on a mild steel rod

2. Double shear test on Mild steel and Aluminium rods

3. Torsion test on mild steel rod

4. Impact test on metal specimen

5. Hardness test on metals - Brinnell and Rockwell Hardness Number

6. Deflection test on beams

7. Compression test on helical springs

8. Strain Measurement using Rosette strain gauge

9. Effect of hardening- Improvement in hardness and impact resistance of steels.

10. Tempering- Improvement Mechanical properties Comparison

(i) Unhardened specimen

(ii) Quenched Specimen and

(iii) Quenched and tempered specimen.

11. Microscopic Examination of

(i) Hardened samples and

(ii) Hardened and tempered samples.

COMPUTER AIDED MACHINE DRAWING LABORATORY

List of Experiments:

1. DRAWING STANDARDS

Code of practice for Engineering Drawing, BIS specifications – Welding symbols, riveted Joints, keys, fasteners – Reference to hand book for the selection of standard Components like bolts, nuts, screws, keys etc.

Limits, Fits – Tolerancing of individual dimensions- Specification of Fits- Manual Preparation of production drawings and reading of part and assembly drawings.

3. CAD PRACTICE (USING APPLICATION PACKAGES)

Drawing, Editing, Dimensioning, Plotting Commands, Layering Concepts, Hatching, Detailing, Assembly, basic principles of GD&T (geometric dimensioning & tolerancing)

4. ASSEMBLY DRAWING (MANUAL & USING APPLICATION PACKAGES)

Manual parts drawing and preparation of assembled views given part details for Components followed by practicing the same using CAD packages.

Suggested Assemblies:

Shaft couplings – Plummer block – Screw jack- Lathe Tailstock – Universal Joint – Machine Vice – Stuffing box- safety Valves - Non-return valves- Connecting rod -Piston And crank shaft- Multi plate clutch- Preparation of Bill of materials and tolerance data Sheet

THERMAL ENGINEERING LABORATORY - I

LIST OF EXPERIMENTS

I.C ENGINE LAB AND FUELS LAB

1. Valve Timing and Port Timing Diagrams.

2. Performance Test on 4-stroke Diesel Engine.

3. Heat Balance Test on 4-stroke Diesel Engine.

4. Morse Test on Multicylinder Petrol Engine.

5. Retardation Test to find Frictional Power of a Diesel Engine.

6. Determination of Viscosity – Red Wood Viscometer.

7. Determination of Flash Point and Fire Point.

1. Study of Steam Generators and Turbines.

2. Performance and Energy Balance Test on a Steam Generator.

3. Performance and Energy Balance Test on Steam Turbine.

DYNAMICS OF MACHINERY LABORATORY

LIST OF EXPERIMENTS

1. a) Study of gear parameters./font>

b) Experimental study of velocity ratios of simple, compound, Epicyclic and

Differential gear trains.

2. a) Kinematics of Four Bar, Slider Crank, Crank Rocker, Double crank, Double rocker,

Oscillating cylinder Mechanisms.

b) Kinematics of single and double universal joints.

3. a) Determination of Mass moment of inertia of Fly wheel and Axle system.

b) Determination of Mass Moment of Inertia of axisymmetric bodies using Turn Table apparatus.

c) Determination of Mass Moment of Inertia using bifilar suspension and compound pendulum.

4. Motorized gyroscope – Study of gyroscopic effect and couple.

5. Governor - Determination of range sensitivity, effort etc., for Watts, Porter, Proell, and Hartnell Governors.

6. Cams – Cam profile drawing, Motion curves and study of jump phenomenon

7. a) Single degree of freedom Spring Mass System – Determination of natural Frequency and verification of Laws of springs – Damping coefficient determination.

b) Multi degree freedom suspension system – Determination of influence coefficient.

8. a) Determination of torsional natural frequency of single and Double Rotor systems.- Undamped and Damped Natural frequencies.

b) Vibration Absorber – Tuned vibration absorber.

9. Vibration of Equivalent Spring mass system – undamped and damped vibration.

10. Whirling of shafts – Determination of critical speeds of shafts with concentrated loads.

11. a). Balancing of rotating masses. (b) Balancing of reciprocating masses.

12. a) Transverse vibration of Free-Free beam – with and without concentrated masses.

b) Forced Vibration of Cantilever beam – Mode shapes and natural frequencies.

c) Determination of transmissibility ratio using vibrating table.

METROLOGY AND MEASUREMENT LABORATORY

LIST OF EXPERIMENTS

1. Calibration of Vernier / Micrometer / Dial Gauge/font>

2. Checking Dimensions of part using slip gauges Measurements of Gear Tooth Dimensions

3. Measurement of Angle using sine bar / sine center / tool makers microscope

4. Measurement of straightness and flatness

5. Measurement of thread parameters

6. Setting up of comparators for inspection (Mechanical / Pneumatic / Electrical)

7. Measurement of Temperature using Thermocouple / Pyrometer

8. Measurement of Displacement

9. Measurement of Force

10. Measurement of Torque

11. Measurement of Vibration / Shock

CAD/CAM LABORATORY

List of Experiments:

1. 3D GEOMETRIC MODELING

Creation of 3D Models - Wire Frame, Surface, Solid modeling Techniques Using CAD Packages – CSG, B-Rep Approaches in Solid Modeling - Feature Based Modeling Technique – Assembly – Detailing - Exposure to Industrial Components – Application of GD&T

2. STL FILE GENERATION – REVERSE ENGINEERING

Manual CNC Part Programming Using Standard G and M Codes - Tool Path Simulation– Exposure to Various Standard Control Systems- Machining simple components byUsing CNC machines.

3. COMPUTER AIDED PART PROGRAMMING

CL Data Generation by Using CAM Software– Post Process Generation for Different Control System – Machining of Computer Generated Part Program by Using Machining Center and Turning Center.

4. STUDY OF EXPERIMENTS

Multi-axial Machining in CNC Machining Center –EDM – EDM Wire Cut – Rapid Prototyping

THERMAL ENGINEERING LAB - II

LIST OF EXPERIMENTS

1. Thermal conductivity measurement by guarded plate method

2. Thermal conductivity of pipe insulation using lagged pipe apparatus

3. Natural convection heat transfer from a vertical cylinder

4. Forced convection inside tube

5. Heat transfer from pin-fin (natural & forced convection modes)

6. Determination of Stefan-Boltzmann constant

7. Determination of emissivity of a grey surface

8. Effectiveness of Parallel/counter flow heat exchanger

REFRIGERATION AND AIR CONDITIONING

1. Determination of COP of a refrigeration system /font>

2. Experiments on air-conditioning system

3. Performance test on single/two stage reciprocating air compressor

COMPUTER AIDED SIMULATION AND ANALYSIS

LIST OF EXPERIMENTS

Simulation of Air conditioning system with condenser temperature and evaporator temperatures as input to get COP using C /MAT Lab.

Simulation of Hydraulic / Pneumatic cylinder using C / MAT Lab.

SSimulation of cam and follower mechanism using C / MAT Lab.

B. ANALYSIS (SIMPLE TREATMENT ONLY)

1. Stress analysis of a plate with a circular hole. /font>

2. Stress analysis of rectangular L bracket

3. Stress analysis of an axi-symmetric component

4. Stress analysis of beams (Cantilever, Simply supported, Fixed ends)

5. Mode frequency analysis of a 2 D component

6. Mode frequency analysis of beams (Cantilever, Simply supported, Fixed ends)

7. Harmonic analysis of a 2D component

8. Thermal stress analysis of a 2D component

9. Conductive heat transfer analysis of a 2D component

110. Convective heat transfer analysis of a 2D component

MECHATRONICS LABORATORY:

LIST OF EXPERIMENTS

1. Design and testing of fluid power circuits to control /font>

(i) Velocity (ii) direction and (iii) force of single and double acting actuators

2. Design of circuits with logic sequence using Electro pneumatic trainer kits.

3. Simulation of basic Hydraulic, Pneumatic and Electric circuits using software

4. Circuits with multiple cylinder sequences in Electro pneumatic using PLC

5. Speed Control of AC & DC drives

6. Servo controller interfacing for DC motor

7. PID controller interfacing

8. Stepper motor interfacing with 8051 Micro controller

(i) full step resolution (ii) half step resolution

9. Modeling and analysis of basic electrical, hydraulic and pneumatic systems using LAB VIEW

10. Computerized data logging system with control for process variables like pressure flow and temperature.

DEPARTMENT OF MECHANICAL ENGINEERING