an iso 9001-2015 certified institute santgajananmaharaj

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An ISO 9001-2015 Certified Institute

SantGajananMaharaj College of Engineering, Mahagaon Site- Chinchewadi, Tal- Gadhinglaj, Dist- Kolhapur

Department of Mechanical Engineering

COURSE PLAN

Course Code ME311 Course Name Control Engineering

Prepared by Mr. Amol Kambale Academic Year 2019-20

Verified by Mr. V. R. Ghatage(HOD ME) Approved by Academic Coordinator/

Principal

Objective

Provide an introduction and basic understanding of Control System, its types,

applications, System Response, system stability and various control actions.

Prepare mathematical model of physical simple systems and Learn to use

MATLAB software to analyse control system.

COURSE OUTCOMES

At the end of this course the students should be able to:

Sr. No. CO CO No.

1. Understand control system, its type and applications. ME311.1

2. Understand model of physical simple systems ME311.2

3. Understand various transient response of control system ME311.3

4. Study the system stability and system response. ME311.4

5. Understand various control actions. ME311.5

6. Use MATLAB software to analyze control systems. ME311.6

EXAMINATION SCHEME

Examination

Scheme Theory Term Work #POE Total

Maximum Marks 100 25 ** 125

Contact Hours 3 2 ** 5

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MAPPING OF COs-Pos

POs

COs a b c d E f g h i j k l

ME311.1 3 2

ME311.2 3 2

ME311.3 2 2

ME311.4 2 2

ME311.5 3 2

ME311.6 3 2

Degree of Compliance of COs and POs 1: Low 2: Medium 3: High

COURSE CONTENTS

Chapter

No. Contents No. of Hours

I

Introduction to Automatic Control:

Generalized Control System Types, Open Loop and Closed Loop, Linear and

Non-Linear, Time Variant and Time invariant Systems with Examples.

Advantages of Automatic Control Systems. Mathematical Model of Control

System: Mechanical Translational Systems, Rotational System, Grounded Chair

Representation, Electrical Elements, Analogous Systems, Force – Voltage

Analogy, Force – Current Analogy, Mathematical Model of Liquid Level System,

Hydraulic/Pneumatic System, Thermal System, Gear Train.

8 Hrs.

II

Representation of Control System:

Linearization of Non Linear Functions, Linearization of Operating Curves, Block

Diagram Algebra, Rules for Reduction of Block Diagram.

6 Hrs.

III

Transient Response:

General Form of Transfer Function, Concept of Poles and Zeros, Distinct,

Repeated and Complex Zeros. Response of Systems (First and Second Order) to

Various Inputs (Impulse, Step, Ramp and Sinusoidal). Damping Ratio and

Natural Frequency, Transient Response Specification.

6 Hrs.

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IV

Stability and Root Locus Technique:

Routh’s Stability Criteria, Significance of Root Locus, Construction of Root

Loci, General Procedure, Effect of Poles and Zeros on the System Stability

7 Hrs.

V

Frequency Response Analysis:

Frequency Response Log Magnitude Plots and Phase angle Plots, Gain Margin,

Phase Margin, Evaluation of Gain ‘K’, Polar Plots (No Numerical), and Stability

Analysis. Introduction to System Compensation: Types of Compensators, Lead,

Lag, Lead-Lag Compensators (No Numerical).

7 Hrs.

VI

State Space Analysis:

System Representation, Direct, Parallel, Series and General Programming.

6 Hrs.

EVALUATION SCHEME

Section Maximum Marks Question No. Chapter No.

I

18 Marks Question-1 Chapter-1



II

16-18Marks Question-4 Chapter-4

16-18 Marks Question-5 Chapter-5


REFERENCES

Books

1. Control System Engineering”, R AnandNatarajan, P. Ramesh Babu, SciTech Publication, 2nd Edition.

2. Control Systems” ,A. Anand Kumar, Prentice Hall Publication

3. Automatic Control Engineering”, F.H. Raven Tata McGraw Hill Publication, 5th Edition

4. Modern Control Systems by K Ogata,Prentice Hall Publi

5. Automatic Control SystemsbyB.C. Kuo,Willey India Ltd

6. Automatic Control Engineeringby D. Roy and Choudhari, Orient Longman Publi

E-books/E-Links

1.

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2.

3.

NPTEL /Other Video Links

1. Introduction to system and control:https://youtu.be/39Ggoj2fQ2c

2. Modelling of system: https://youtu.be/5NlqMpJG2k

3. Examples of modelling: https://youtu.be/xQKeBvgAly4

4. Transfer function of modelling block diagram representation:https://youtu.be/kbjCGGTXqUo

5. Block diagram reduction: https://youtu.be/zXMklo-jxlo

6. Problems on block: https://youtu.be/tDXgiStzbcY

7. Time response analysis of system: https://youtu.be/ziu1oTwUrbw

8. Time response specifications: https://youtu.be/YuZ3iwA-47l

9. Stability: https://youtu.be/lrxppc_LCUK

10. Routh hurwith criterian: https://youtu.be/cez4lnLZ7Pw

11. Root locus technique: https://youtu.be/sUDoTw_Llbk

12. Introduction of frequency response: https://youtu.be/pTTTOuUps7l

13. Bode plots: https://youtu.be/Wi6xt7lyjA0

14. Introduction to state space system: https://youtu.be/xajgSUci9zs

LIST OF EXPERIMENT

Exp.

No. Experiment Title

A. Practical Exercise CO No.

1. Introduction, Study of Control System Components - D.C. Servomotor. ME311.1

2. Study of Control System Components - Hydraulic Servomotor. ME311.1

3 Study of On-Off Controller for Flow/ Temperature ME311.1

4. Study of Control Modes like P, PD, PI, PID for Pressure / Temperature / Flow ME311.1

5. Assignment on Mathematical Model of Control System ME311.1

https://youtu.be/39Ggoj2fQ2c

https://youtu.be/5NlqMpJG2k

https://youtu.be/xQKeBvgAly4

https://youtu.be/kbjCGGTXqUo

https://youtu.be/zXMklo-jxlo

https://youtu.be/ziu1oTwUrbw

https://youtu.be/YuZ3iwA-47l

https://youtu.be/lrxppc_LCUK

https://youtu.be/cez4lnLZ7Pw

https://youtu.be/sUDoTw_Llbk

https://youtu.be/pTTTOuUps7l

https://youtu.be/Wi6xt7lyjA0

https://youtu.be/xajgSUci9zs

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6. Assignment on Representation of control system ME311.2

7. Assignment on Transient Response ME311.3

8. Assignment on Stability and Root Locus Technique ME311.4

9. Assignment on Frequency Response Analysis ME311.5

10. Assignment on State Space Analysis ME311.6

11. Introduction to ‘MATLAB’ Software ME311.3

12 Assignment based on use of Software ‘MATLAB ME311.3

B. Beyond Syllabus Activity

1. Simulation of an ideal actuator with PID control to improve the performance of a suspension system.

ASSIGNMENT QUESTIONS/QUESTION BANK

Unit- I (Assignment 1) Introduction to Automatic Control 18 Marks

Que.

No. Question CO No. Remark

1.

Draw physical layout and block diagram, showing various functional

elements of the rolling mill. The system is used for controlling the

metal sheet thickness.

ME311.1

Common for All

2. Write a short note on open loop and closed loop control systems ME311.1

3. Write a short note on types of control systems. ME311.1

4.

Draw physical layout and block diagram, showing various functional

elements of a metal melting furnace to control the temperature of

molten metal.

ME311.1

5.

For a mechanical system shown in figure below, draw equivalent

electrical circuit using force-voltage analogy. Also write system

equations

ME311.1

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6.

Derive the transfer function of the network shown in figure shown

below. Also construct force voltage analogy circuit

ME311.1

7.

Figure given below shows a schematic diagram of jet pipe amplifier.

The jet pipe position is at centerline of springs. The jet pipe is

supplied with a high pressure hydraulic fluid such that steady stream

is continually flowing out of the nozzle. Slight shift in position ‘w’

moves the load accordingly. Determine the equation relating y to x.

Identify steady state gain and time constant of the system.

ME311.1

Additional questions

for Fast Learner

8.

For the tank shown in figure given below the fluid is supplied at the

rate Qs .Determine the equation for pressure P as a function of P1

and Qs. ( assume density of fluid in the tank as ρ and cross

sectional area of tank as A)

ME311.1

Unit-II: (Assignment 2) Representation of Control System16 Marks

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1.

Effect the linear approximation for the maximum stress and Q given

by the equation

=

The reference conditions are Fi= 250 N and Di= 25 mm. Determine

the percentage of error in using this approximation for Q when F =

260 N and D = 30 mm.

ME311.2

Common for All

2.

In a single acting reciprocating pump, friction head H isexpressed as

Where F, L, V and Dare friction factor, length of pipe, velocity of

flow and pipediameter respectively. Linearize the equation for H for

F=0.02, Li =3 m, Vi =5 m/s, Di =25 mm. Also determine the value of

friction head H when L =3.5 m, V =5.5 m/s and D=30 mm.

ME311.2

3.

The steady state operating curves for a unity feedback system

[KH=1] are shown in figure given below. Construct the block

diagram that describes the steady state operation of the system.

ME311.2

4.

The operating curves for a d.c. motor used for a robot are shown in

figure given below where T is the motor torque, N is the speed and V

is the voltage applied. For Ni =1000 and Ti =50 determine linear

approximation for change in torque about reference point. The net

torque available for acceleration for robot is (t – tL) = J D n where tL

is the load torque. For J = 0.025, determine the differential equation

relatingoutput n to input V and load torque tL. What is the time

constant

ME311.2

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5.

Obtain a simplified block diagram using the reduction rules and

determine the transfer function for the overall block diagram shown

blow.

ME311.2

6.

Find the transfer function R /C of the system shown below using

block diagram reduction technique.

ME311.2

7.

Simplify the block diagram shown below and obtain

ME311.2 Additional question

for Fast Learner

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Unit- III:(Assignment 3) Transient Response 16 Marks

Que.


1.

A system for controlling speed of a hypersonic plane is shown below.

Determine the response c (t) for each of the following case.

i) r(t) = µ(t) and c(0) = ć(0)=0

ii) r(t) = 0 , c(0) = 1 and ć(t)=1

ME311.3

Common for All 2.

If x is the input and y is the output of the system by the differential

equation.

Determine undamped natural frequency, undamped, natural

frequency, damping ratio, peak overshoot and settling time.

ME311.3

3.

A system for controlling the speed of a hypersonic plane is shown in

figure given below. Determine the response c(t) for each of the

following cases.

i) r(t) = u(t) , c(0) =ć(t)=0

ii) r(t) = 0 ,c(0) =1 and ć(0)=0

ME311.3

4.

In a paper industry, it is important to maintain a constanttension on a

continuous sheet of sheet of paper between wind off and wind up

rolls, such that a system is given below .Determine response c (t)

when.

i) r(t) = µ(t) and d(t) =c(0) = ć(0)=0

ii) r(t) = 0 , d(t) = µ(t) , c(0) = 1 and ć(t)=1


for Fast Learner

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Unit- IV:(Assignment 4) Stability and Root Locus Technique 16Marks

1.

List the rules of construction of root locus, Write a short note on

Routh Stability Criteria, Write a short note on concept of poles and

zeros

ME311.4

Common for All

2.

Sketch the root locus plot for a system with open loop transfer

function as.

ME311.4

3.

The characteristic equation for a system is

Determine the range of values of K for which the system is in stable

condition.

ME311.4

4.

It is desired that the root locus plot for the system shown in figure

given below go through the point -2 + 2j. Apply angle condition to

determine the location of poles at ‘a’ such that plot goes through the

point. Determine the value of K at this point.

ME311.4

5.

A system is having forward path transfer function G(s) =

and

feedback path transfer function H(s) = (1+ K s). What should be the

value of K to obtain damping ratio of 0.6? Also calculate the un-

damped natural frequency, % peak overshoot, and settling time

within 2% of final value


for Fast Learner

Unit- V: (Assignment 5) Frequency Response Analysis18Marks

1. Explain Types of Compensators ME311.5 Common for All

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2.

The open loop function of unity feedback system is given by

Draw the asymptotes of magnitude and phase angle plot. Find gain

and Phase margin.

ME311.5

3.

Explain electrical ckt used to provide lead compensation and sketch

theLog-magnitude and phase plot for the same.

ME311.5

4.

Draw bode plot

ME311.5

5.

For the following system sketch the polar plot


for Fast Learner

Unit- VI:(Assignment 6) State Space Analysis 16Marks

1.

Write a short note on State space and parallel programming, series

programming, general programming and direct programming.

ME311.6

Common for All

2.

The differential equation of the system

is

Determine the computer diagram and state space representation using

series programming method.

ME311.6

3.

The differential equation of the system is

Determine the computer diagram and state space representation using

series programming method

ME311.6

4.

The dynamics of a helicopter in the hovering condition is described

by the differential equation is

Determine the computer diagram using i) Direct programming

method ii) Parallel programming method.

ME311.6

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SantGajananMaharaj College of Engineering, Mahagaon Site- Chinchewadi, Tal- Gadhinglaj, Dist- Kolhapur


COURSE PLAN

Course Code ME 312/66242 Course Name Theory of machine-II

Prepared by Mr. S.R.MARAJAKKE Academic Year 2019-20

Verified by Mr. V.R.GHATAGE(HOD MECH) Approved by Academic Coordinator/

Principal

Objective

Know the basic theory of gears.

Analyze the various types of gear trains used for transmission of motion and power.

Study of gyroscopic effects on vehicles, aero-plane and ship.

Study and analyze the problems on balancing of rotary and reciprocating masses.

Study force analyses of simple mechanism.

Study turning moment diagram.

COURSE OUTCOMES


Sr. No. CO CO No.

1. Explain the basics of Gear, Gear Geometry and laws for different types of

gears. ME312.1

2. Solve numerical problems on epicyclic Gear Train ME312.2

3. Identify the Gyroscopic couple and its effect on Aero plane, Ship, Four-

Wheeler, Two –Wheeler. ME312.3

4. Analyze force analysis of various mechanisms. ME312.4

5. Demonstrate the procedure of balancing to reduce vibrations. ME312.5

6. Explain the basics of flywheel & its types. ME312.6

EXAMINATION SCHEME

Examination

Scheme Theory Term Work OE Total

Maximum Marks 100 25 25 150

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MAPPING OF COs-Pos

POs

COs a b c d e f g h i j k l

ME312.1 2 2

ME312.2 2 2

ME312.3 2

ME312.4 2 2

ME312.5 1

ME312.6 2 2

Degree of Compliance of COs and POs 1:Low 2: Medium 3: High

COURSE CONTENTS

Chapter


I

Toothed Gearing

Geometry of motion, Gear geometry, Types of gear profile- involute &

cycloidal, Theory of Spur, Helical & Spiral gears, Interference in

involute tooth gears and methods for its prevention, Path of contact,

Contact ratio ,Efficiency and center distance of spiral gears.

07 Hrs.

II

A.Gear Trains

Types of Gear trains - Simple, Compound, Reverted, Epicyclic gear

train, Tabular method for finding the speeds of elements in epicyclic

gear train, Torques in epicyclic gear train, Differential gear box.

B. Equivalent mass and Moment of Inertia applied to gear trains.

07 Hrs.

III

Gyroscope

Gyroscopic couple, spinning and Precessional Motion, Gyroscopic

couple and its effect on i) Aero plane ii) Ship iii) Four-Wheeler iv)

Two –Wheeler.

06 Hrs.

IV

Static and dynamic Force analysis of Mechanisms

Velocity and acceleration of slider crank mechanism by analytical

method, Inertia force and torque, D’Alembert’s principle, Dynamically

equivalent system, force analysis of reciprocating engine mechanism

and four bar chain mechanism.

07 Hrs.

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V

Balancing

Static and Dynamic balancing of rotary and reciprocating masses,

Primary and Secondary forces and couples, Direct and Reverse cranks.. Balancing of Single cylinder, Multi cylinder-In-line and Radial

Engines for four wheeler.

07 Hrs.

VI

Flywheel

Turning moment diagrams, Fluctuation of energy, Coefficient of

fluctuation of speed, Rimmed flywheel.

06 Hrs.

EVALUATION SCHEME


I




II



16Marks Question-6 Chapter-6

REFERENCES

Books

1. Theory of Machines Thomas Bevan CBS Publishers, New Delhi. 3rdreprint 2005

2. Theory of Machines and Mechanism Shigley Oxford International 3rd 2009

3. Theory of Machinesand Mechanism G.S. Rao and R.V. Dukipatti New Age Int. Publications Ltd.Delhi. 2nd

1992

4. Theory of Machines Shah and JadhawaniDhanpatRai& Sons 2nd 2005

5. Theory of Machines Abdullah Shariff McGraw Hill, New Delhi 1st1994

6. Theory of mechanism and machines Sadhu Singh Person 1st2012

7. Theory of machines and Mechanism JagdishLalMetropolitin Book Company1st 2011

8. Mechanism and Machines Gosh And Mallik East West Press 3rd 1998

9. Theory of Machine Sarkar Tata McGraw Hill 1st2002


1. Law of gearing: https://nptel.ac.in/courses/112105234/2

2. Involute tooth properties and terminology:https://nptel.ac.in/courses/112105234/2

3. Gear train,speed ratio and train volue:https://www.youtube.com/watch?v=x4beJvhLYdQ

https://nptel.ac.in/courses/112105234/2

https://nptel.ac.in/courses/112105234/2

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4. Epicyclic Gear Train Solved Example:https://www.youtube.com/watch?v=6MaUbqcvtLU

5. Gyroscopic Action in Machines:https://www.youtube.com/watch?v=FydJu1A1oeM

6. Gyroscopic effect on four wheeler:https://www.youtube.com/watch?v=JhZf2UphaCY

7. Dynamic force analysis of mechanism: https://www.youtube.com/watch?v=fEdz91oWrts

8. Static force analysis of four bar mechanism:https://www.youtube.com/watch?v=qbVdTF3ZXyI

9. Static and dynamic balancing:https://www.youtube.com/watch?v=x1-cl8P2GGg

10. Balancing of single slider machine: https://www.youtube.com/watch?v=YoZgk1xlIW4

11. Turning moment diagram: https://www.youtube.com/watch?v=swgvKwyOnYk

12. Fly wheel analysis: https://www.youtube.com/watch?v=oZhR1HPdvR4

LIST OF EXPERIMENT

Exp.



1. Generation of involute profile using rack cutter method. ME312.1

2. Experiment on Torque Measurement in Epicyclic Gear Train. ME312.2

3 Experiment on Gyroscope. ME312.3

4. Determination of M.I. using Bifilar suspension system. ME312.4

5. Determination of M.I. using Trifilar suspension system. ME312.4

6. Experiment on Balancing of rotary masses (Static and Dynamic). ME312.5

7. Problems on balancing of reciprocating masses. ( Minimum 3) ME312.5

8. Determination of M.I. of connecting rod by Compound pendulum method. ME312.4

9. Assignment on Flywheel. ME312.6

10. Computer aided force analysis of any one of the following

a) Slider crank mechanism b) Four bar mechanism ME312.4

B. Field Visit

https://www.youtube.com/watch?v=FydJu1A1oeM

https://www.youtube.com/watch?v=fEdz91oWrts

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1. Filed visit to gear manufacturing Industry.

C. Beyond Syllabus Activity

1. Study and design of gear train.


Unit- I (Assignment 1) Toothed wheels 18 Mark

Que.

No. Questions CO No. Remark

1. State velocity of sliding and prove that the velocity of sliding is

proportional to the distance of the point of contact from the pitch point

ME312.1

Common for All

2. Derive the expression for length of path of contact.

ME312.1

3. Derive an expression for minimum number of teeth required on pinion to

avoid interference in mesh with gear.

ME312.1

4. Derive an expression for the centre distance for a pair of spiral gears and

define the term i. Pitch circle. ii.Backlash

ME312.1

5.

A 200 involute pinion with 20 teeth drives a 50 teeth gear. Module is 8

mm. The contact ratio is to be maximum without interference. Find the two

addenda, length of arc of contact and contact ratio.

ME312.1

6.

A centre distance between two meshing spiral gears is 150 mm and the

angle between the shafts is 600. The gear ratio is 2 and the normal circular

pitch is10 mm.The driven gear has a helix angle of 250. Determine. The

number of teeth on each wheel, exact centre distance and Efficiency if

friction angle is 40.

ME312.1

7.

A drive on a machine tool is to be made by two spiral gear wheels, the

spirals of which are of the same hand and has normal pitch of 12.5 mm.

The wheels are of equal diameter and the centre distance between the axes

of the shafts is approximately 134 mm. The angle between the shafts is 80°

and the speed ratio 1.25. Determine :

1. the spiral angle of each wheel,

2. the number of teeth on each wheel,

3. the efficiency of the drive, if the friction angle is 6°, and

4. the maximum efficiency.

ME312.1

Additional

questions for

Fast Learner

8.

In a spiral gear drive connecting two shafts, the approximate centre

distance is 400 mm and the speed ratio = 3. The angle between the two

shafts is 50° and the normal pitch is 18 mm. The spiral angle for the

driving and driven wheels are equal. Find : 1. Number of teeth on each

wheel, 2. Exact centre distance, and 3. Efficiency of the drive, if friction

angle = 6°.

ME312.1

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Unit-II: (Assignment 2) Gear train 16 Marks

1. Write a short note on various types of gear train. ME312.2

Common for All

2. Explain the procedure to analyze an epicyclic gear train

ME312.2

3. Explain the torque in epicyclic gear train

ME312.2

4. Write a short note inertia geared system.

ME312.2

5.

An epicyclic gear train consist of three wheels A,B and C. Wheel A has 72

internal teeth ,C has 32 external teeth. The wheel B gears with both A and

C and is carried on an arm which rotes about the center of A at 18 rpm. If

the wheel A is fixed. Determine the speed of wheels B and C

ME312.2

Unit- III:(Assignment 3) Gyroscope 16 Marks

Que.

No. Questions CO No. Remark

1. Draw gyroscopic couple figure and define the following terms

i. Axis of spin ii.Precessional angular motion iii. Axis of precession

ME312.3

Common for All

2. Derive the expression for gyroscopic couple magnitude.

ME312.3

3. Derive an expression for angle of heel of two wheeler taking a turn

ME312.3

4.

The turbine of rotor ship has a mass of 900 kg and radius of gyration 600

mm. It rotates at 1800 rpm clockwise when looking from the stern

determine the gyroscopic couple when

i.The ship is travelling at 40 km/hr and steers to the left in a curve of 100 m

radius and its effect.

ii.The ship pitching and bow is descending with maximum velocity. The

pitching is simple harmonic motion, the periodic time being 30 seconds

and the total angular moment between the extreme positions is 120

ME312.3

5.

A two wheeler of 400 mm wheel radius is negotiating a turn of radius 60

m at a speed of 100 km/h.The combined mass of vehicle with its rider is

300kg.The C.G. of rider is 0.6 m above ground level. The mass moment of

inertia of engine fly wheel is 0.3 kg -m2.If the speed of the engine is five

times of the speed of the wheel and in the same direction, find the angle of

heel of vehicle.

ME312.3 Additional

question for Fast

Learner

Unit- IV:(Assignment 4) Static and dynamic force analysis of mechanism 16 Marks

1. Derive the equation for natural frequency of compound pendulum ME312.4

Common for All

2. Derive the equation for velocity and acceleration of slider in reciprocating

engine mechanism

ME312.4

3. Explain dynamically equivalent system to replace connecting rod by a two

mass system

ME312.4

4. In a double acting vertical steam engine running at 360 rpm.Cylinder bore

diameter is 25 cm,stroke is 30 cm , diameter of piston rod is 3.75 cm and

length of connecting rod is 60 cm.When the crank has turned 1200 from top

ME312.4

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dead center, the pressure at steam at cover end is 35 104 N/M

2 and at the

crank end is 3 104 N/M2.If the mass of reciprocating parts is 45 kg .find

piston effoprt and turning moment on the crank shaft for the given crank

position.

Unit- V: (Assignment 5) Balancing 18 Marks

1. Explain balancing of single revolving mass in different plane. ME312.5

Common for All

2. Explain partial balancing of unbalanced of primary force in a reciprocating

engine.

ME312.5

3. Explain the direct and reverse crank method for balancing of radial engine

ME312.5

4.

A five cylinder inline engine running at 750 rpm has successive cranks

1440 apart, the distance between the cylinder lines being 375 mm. The

piston stroke is 225 mm and the ratio of the connecting rod to the crank

length is 4.Exmine the engine for balance of primary and secondary forces

and couples and find their maximum values. The reciprocating mass for

each cylinder is 15 kg.

ME312.5

5.

A shaft carries four rotating masses A, B,C& D in this order along the shaft

and are concentrated at a radii of 12 cm and 15 cm, 14 cm and 18 cm

respectively. The masses at A,C and D are 15 kg,10 kg and 8 kg

respectively. The planes of rotation of A and B are 15 cm apart and of B

and C are 18 cm apart .The angle between the radii of A & C is 900.If the

shaft is in complete dynamic balance ,determine i. i. The angle between the

radii of A,B and D

ii.The distance between the planes of rotation of C and D.

iii.The mass at C.

ME312.5 Additional

question for Fast

Learner

Unit- VI: (Assignment 6) Fly wheel 16 Marks

1. Explain coefficient of fluctuation of speed and coefficient of fluctuation of

energy. ME312.6

Common for All

2. Derive the expression for energy stored in a flywheel ME312.6

3.

The turning moment diagram for petrol engine is drawn to the following

scale: Turning moment 1 mm=5 N-m, crank angle 1mm=10. The turning

moment diagram repeats itself at every half revolution of the engine and

the areas above and below the mean turning moment line taken in order are

295, 685, 40, 340, 960, 270, mm2.

The rotating parts are equivalent to a

mass of 36 kg at a radius of gyration of 150 mm. Determine the coefficient

of fluctuation speed when the engine runs at 1800 rpm.

ME312.6

4.

Turning moment diagram for a multi cylinder engine has been drawn to a

scale of 1 m to 500 N-M torque and 1 mm to 60

of crank displacement .The

intercepted area between output torque curve and mean resistance line

taken in order from one end in sq.mm are.-30,+410,-280,+320,-330,+250,-

360,+280,-260 sq.mm,when the engine running at 800 rpm.The engine has

a stroke of 300 mm and the fluctuation of the speed is not to exceed 2 % of

the mean speed. Determine the suitable diameter and cross section of the

rim for limiting value of the safe centrifugal stress of 7 MPa.The material

density may be assumed as 7200 kg/m3.The width of the rim is to be 5

ME312.6

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times the thickness.

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Sant Gajanan Maharaj College of Engineering, Mahagaon Site- Chinchewadi, Tal- Gadhinglaj, Dist- Kolhapur


COURSE PLAN

Course Code ME313/66243 Course Name Heat And Mass

Transfer

Prepared by Mr. Powar D.D Academic Year 2019-20

Verified by Mr. V. R. Ghatage (HOD MECH) Approved by

Academic Coordinator/

Principal

Objectives

1) Students will learn about what is heat transfer, what governs the rate of heat transfer

and importance of heat transfer.

2) They will also learn the three major modes of heat transfer viz., conduction,

convection, and radiation. In addition to these three main modes of heat transfer, students

will also learn the phenomena of heat transfer during phase change (boiling and

condensation heat transfer).

COURSE OUTCOMES At the end of this course the students should be able to:

Sr. No. CO CO No.

1. Formulate basic equations for heat transfer problems.

ME 313.01

2. Apply heat transfer principles to design and evaluate performance of thermal

systems. ME313.02

3. Calculate the effectiveness and rating of heat exchangers.

ME313.03

4. Calculate heat transfer by radiation between objects with simple geometries.

ME313.04

5. Calculate and evaluate the impact of boundary conditions on the solutions of

heat transfer problems. ME313.05

6. Evaluate the relative contributions of different modes of heat transfer.

ME313.06

EXAMINATION SCHEME

Examination

Scheme Theory Term Work POE Total

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Maximum Marks 100 25 25 150


MAPPING OF COs-Pos

POs

COs a b c D e f g h i j K l

ME 313.01 1 1

ME313.02 1 3

ME313.03 1 2 3

ME313.04 1 2 3 2

ME313.05 1 2

ME313.06 1 2 3


COURSE CONTENTS

Chapter No. Contents No. of

Hours

I

1.1 Basic Concepts:

Modes of heat transfer. Basic laws of heat transfer, Introduction to combined modes of heat

transfer, Thermal conductivity and its variation with temperature for various Engg.

Materials (Description only). Nano fluids. Introduction to mass transfer: Modes of mass

transfer, Analogybetween heat, mass and momentum transfer, Fick’s law of diffusion,

various dimensionless numbers. Derivation of Generalized differential equation of Heat

Conduction in Cartesian co-ordinates, its reduction to Fourier, Laplace and Poisson’s

equations. Generalized Heat conduction equation in cylindrical and spherical coordinates

(no derivation)

1.2 One dimensional steady state heat conduction without heat generation:

Reduction of Generalized differential equation of Heat Conduction to one dimension (1D),

Heat conduction through plane wall, cylinder, sphere; electrical analogy; concept of

thermal resistance and conductance, composite slab, composite cylinder and composite

sphere, critical radius of insulation for cylinder and sphere. Economic thickness of

insulation.

07

Hrs.

II

Heat conduction with heat generation and unsteady state heat conduction:

2.1 One dimensional steady state heat conduction with heat generation:

One dimensional steady state heat conduction with uniform heat generation for plane wall

cylinder, and sphere

2.2 One dimensional unsteady State Heat Conduction

Lumped Heat capacity Analysis,Biot and Fourier number and their

significance,(Numericals based on Lumped Heat capacity Analysis).Use of Hiesler and

06

Hrs.

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Grober Charts (No numerical based on Hiesler and Grober Charts) .

III

EXTENDED SURFACES:

Boundary and Initial conditions:

Temperature boundary conditions, heat flux boundary condition, convection boundary

condition and radiation boundary condition.

Heat transfer through extended surfaces:

Types and applications of fins, Heat transfer from rectangular and pin fins. Fin

effectiveness and efficiency, Error estimation in temperature measurement in thermo well.

07

Hrs.

IV

CONVECTION

4.1 Fundamentals of convection:

Mechanism of natural and forced convection. Concept of Hydrodynamic and thermal

boundary layer, local and average convective coefficient for laminar and turbulent flow for

flat plate and

pipe

4.2 Forced Convection:

Dimensional analysis, Physical significance of dimension less numbers, Reynolds analogy

for laminar flow, correlations for forced convection over flat plate and closed conduits.

4.3 Natural or Free Convection:

Dimensional analysis, Physical significance of dimensionless numbers, correlations for

natural convection over vertical plate cylinder sphere and flow patterns.

07

Hrs.

V

RADIATION:

Nature of thermal radiation, absorbitivity, reflectivity, transmissivity, emissive power and

emmissivity,spectural and total concept, blackbody, gray body, and white body Kirchoff’s

law, Wein’s law and Planck’s law, and deduction of Stefan Boltzmann law. Lambert

cosine rule, Intensity of radiation. Energy exchange by radiation between two black

surfaces with non-absorbing medium in between and in absence of reradiating surfaces.

Shape factor and its characteristics .Energy exchange by radiation between two gray

surfaces without absorbing medium , concept of radiosity and irradiation. Radiation

network method, network for two surfaces which see each other and nothing else, radiation

shields.

06

Hrs.

VI

HEAT EXCHANGERS AND PHASE CHANGE PHENOMENON

6.1 Heat Exchangers:

Classification and types ofHeat exchangers, Fouling factor, and Overall heat transfer

coefficient, Heat Exchanger Analysis using LMTD and NTU methods for parallel and

counter flow, Design consideration of Heat exchangers and introduction to design standards

like TEMA.

6.2 Boiling and Condensation (Descriptive treatment only):

Types of boiling, pool boiling and Forced convection boiling, Nusselt’s theory of

condensation for vertical plate, condensation correlations for practical applications, Film

wise and drop wise

condensation, promoters.

07

Hrs.

EVALUATION SCHEME


I




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II




REFERENCES

Books

1 “Heat Transfer”, J.P. Holman, Tata McGraw Hill Book Company, NewYork, 2nd Edition

2 “Fundamentals of Heat and Mass Transfer”,R.C. Sachdeva, Willey Eastern Ltd.,

3 “A Text Book on Heat Transfer”, Dr. S. P. Sukhatme, Orient Longman Publication Hyderabad

4 “Heat and Mass Transfer”, S.C.Arrora and S. Dokoundwar, Dhanpat Rai and Sons, Delhi.

5 “Fundamentals of Heat and Mass Transfer”,C.P. Kothandaraman

6 “Heat and Mass Transfer”, R.K.Rajput, S. Chand and Company Ltd., New Delhi.,5th Edition.

7 “Heat Transfer – A Practical approach”,Yunus. A .Cengel, Tata McGraw Hill.

8 “Heat Transfer” Chapman A.J., Tata McGraw Hill Book Company, NewYork.

9 “Fundamentals of Heat and Mass Transfer”, Frank P.Incropera, David P.Dewitt,Wisley India. 5th

Edition.

10 “Heat Transfer”, S.P.Venkateshan , Ane Books Pvt.Ltd., 2nd Edition.

E-books/E-Links

1. https://link.springer.com/journal/231


1. https://nptel.ac.in/courses/112101097/

LIST OF EXPERIMENT

Exp.



1. Determination of thermal conductivity of Insulating powder ME 313.01

2. Determination of thermal conductivity of insulating material in Lagged pipe

ME 313.01

5 | P a g e

3 Determination of local and average heat transfer coefficient in Natural convection

heat transfer from a vertical cylinder. ME 313.02

4. Determination of Heat Transfer Coefficient under forced convection to air from a

Heated pipe. ME 313.02

5. Determination of emissivity of a Nonblack surface. ME 313.05

6. Determination of Stefan Boltzmann Constant. ME 313.05

7. Determination of heat transfer coefficient in dropwise and filmwise condensation ME 313.06

8. Determination of overall heat transfer coefficient and effectiveness in a Parallel

flow and Counter flow Heat Exchanger. ME 313.06

9. Study and Demonstration of Heat Pipe ME 313.01

10. Performance analysis of extended surfaces ME 313.03


Unit- I (Assignment 1) Basic Concepts 16-24 Marks

Que

.

No.

Question CO No. Remark

1.

Derive an one dimensional heat transfer equation without heat

generation for cylinder

ME 313.01

Common for All

2. Effect of temperature on thermal conductivity ME 313.01

3.

An aluminum pipe carries steam at 110 C. The pipe (K= 185 W/mK)

has an inner diameter 10 cm and outer diameter 12 cm. The pipe is

located in a room where the ambient temperature is 30 C and

convective heat transfer coefficient 15 w/m2-k. Determine heat transfer

rate per unit length and parentage reduction in heat loss by the

insulation. Neglect convective resistance of steam.

ME 313.01

4. Derive the expression for critical radius of insulation for cylinder ME 313.01

5. Derive differential equation of conduction in Cartesian coordinate

system . Also give its different forms

ME 313.01

Unit-II: (Assignment 2) Heat conduction with heat generation and unsteady state heat conduction

16 to 26 Marks

1. Derive heat transfer per unit area equation for insulated tip fin

ME 313.02

Common for All 2. Explain fin efficieny and effectiveness

ME 313.02

3. Explain Lumped heat capacity system with biot and fourier numbers ME 313.02

Unit- III:(Assignment 3) Extended Surfaces 16 to 24 Marks

Que.


1. Derive expression for temperature distribution and heat transfer rate of

a Fin with insulated tip ME 313.03 Common for All

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2.

A steam at 300°C is passing through a steel tube A thermometer

pocket of steel(K=45W/m°K) of inside diameter of 14mm and 1mm

thick is used to measure the temperature .Calculate the length of

thermometer pocket needed to measure the temperature within 1.8%

possible error The diameter of steel tube is 95mm The heat transfer

coefficient is 93 W/m2°K and tube wall temperature is 100°C

ME 313.03

3. Explain different types of fins. ME 313.03

Unit- IV:(Assignment 4) CONVECTION 16 to 24 Marks

1. Explain the analysis the problem of forced convention with the help of

dimension analysis ME 313.04

Common for All

2. Explain the hydrodynamic and thermal boundary layer ME 313.04

3.

A two stroke motor cycle petrol engine cylinder consists of 15 annular

fins

If outside and inside diameters of each fin are 200mm & 100mm

respectively The average fin surface temperature is 475°C & they are

exposed to air at 25°C Calculate heat transfer rate when motor cycle is

at

rest The thermo physical properties of air at 250°C are k=0.0427

W/m°K Pr=0.677 v=40.61*10-6m2/s use following correlation

Nu=0.54(Gr.Pr)0.25

ME 313.04

Unit- V: (Assignment 5) RADIATION: 16 to 24 Marks

1. State Planks law and derive Stefan Boltzmann law from planks law ME 313.05

Common for All

2. Explain absorbitivity, reflectivity, transmissivity. ME 313.05

3.

Two parallel infinite gray surfaces are maintained at temperature

127°C and 227 °C respectively If temperature of hot surface is

increased to 327 °C By what factor is the net radiation exchange per

unit area increased ?Assume emissivity’s of colder and hotter surface

to be0.9and 0.7respectively

ME 313.05

Unit- VI: (Assignment 6) HEAT EXCHANGERS AND PHASE CHANGE PHENOMENON

16 to 24 Marks

1.

Distinguish between

i) Sub cooled and saturated boiling

ii) Pool Boiling and forced convection boiling

ME 313.06

Common for All

2. Effectiveness –NTU method of heat exchanger Design ME 313.06

3.

A Heat Exchanger is required to cool 55000kg/Hr of alcohol from

66°C to

40°C using 40,000kg/hr of water entering at 5 °C Calculate:

I)Exit Temperature of water

ii)Heat Transfer Rate

iii) Surface area required for parallel and Counter flow type of heat

exchanger

Take Cp(alcohol)=3760 J/kg °K,Cp(Water)=4180 J/kg °K,U=580W/m2°K

ME 313.06

1 | P a g e




COURSE PLAN

Course Code ME314/ 66244 Course Name Machine Design-I

Prepared by Mr. R. V. Bammankatti Academic Year 2019-20

Verified by Mr. V. R. Ghatage (HOD MECH.) Approved by


Principal

Objective

Provide an introduction and basic understanding of principles involved in evaluating the dimensions of a component to satisfy functional and strength requirements. And to learn use of catalogues and design data book.

COURSE OUTCOMES


Sr. No. CO CO No.

1. Study the fundamentals of machine design ME314.1

2. Design machine elements on the basis of strength concept ME314.2

3. Use design data books and standard practices ME314.3

4. Select machine elements from manufacturer’s catalogue ME314.4

EXAMINATION SCHEME

Examination

Scheme Theory

Term

Work/tutorial #POE Total

Maximum Marks 100 25 125

Contact Hours 4 1 6

2 | P a g e

MAPPING OF COs-Pos

POs


ME314.1 3

ME314.2 2 3

ME314.3 3 2 2

ME314.4 2 2


COURSE CONTENTS

Unit No. Contents No. of Hours

I

Fundamentals of Machine Design:

Concept of Machine design, Types of loads, Factor of safety- its selection and

significance, Review of theories of elastic failure and their applications, Basic

procedure of design of machine elements, Review and selection of various

engineering material properties and I.S. coding for ferrous materials, Factors

governing selection of Engineering materials.

5 Hrs.

II

Design of Joints and Machine Elements:

Design of machine elements under static loading- Knuckle joint, Turn buckle and bell crank Lever. Design of bolted joints subjected to following conditions- 1) Joints in shear 2) Joints subjected to load perpendicular to the axis of bolt. Design of welded joints- Strength of transverse and parallel fillet welds Eccentric load in the plane of weld Welded joint subjected to bending moment.

9 Hrs.

III

Design of Shaft, Keys, and Couplings :

Design of solid and hollow shafts, splined shafts, ASME code for shaft design, Types and Design of Keys, Types of Couplings, Design of Muff, Rigid Coupling, flexible bushed pin type flanged coupling.

6 Hrs.

3 | P a g e

IV

Design of spring:

Types of springs and their applications, Styles of end, Design of Helical Compression, Spring subjected to static loading.

5 Hrs.

V

Design of Power Screw:

Forms of threads, Terminology of threads, Torque requirement (lifting and lowering load) Self locking and overhauling properties, Efficiency of square threaded, Self locking screw, Trapezoidal and Acme thread, collar friction torque, Design of power screw and nuts, Introduction to Recirculating ball Screw.

9 Hrs.

VI

Design of Pulley and Selection of Belts:

Design of Pulley- flat and V belt pulley, Selection of flat belt, V belt as per the standard manufacturer’s catalogue, Introduction to timing belts.

6 Hrs.

EVALUATION SCHEME


I

6 Q1- a, b 1

6, 8 Q1- c, d, Q2- a, b 2

6, 10 Q3- a, b 3

II

6, 10 Q4- a, b 4

6, 12 Q5- a, b 5

6, 10 Q6- a, b 6

REFERENCES

Books

1. V.B.Bhandari, Design of Machine Elements, 3e, Tata McGraw Hill Publication

2. J.F. Shigley, Design of Machine Element, Tata McGraw Hill Publication

3. U.C.Jindal, Machine Design , Pearson

4. R.L Norton, Machine Design An Integrated Approach, 2e , Pearson

5. Robert C. Juvniall, Machine Component Design,5e , Willey

6.

7.

8.

9.

Data Manuals

4 | P a g e

1. V. B. Bhandari, Machine Design Data Book, 1e, 2014, Tata McGraw Hill Publication

2. PSG Design data Book

E-books/E-Links

1. J.F. Shigley, Design of Machine Element, Tata McGraw Hill Publication

2.

3.


1. Theories of failure. Strength of materials

[https:// youtu.be/qbv2rOEMyiA]

2. Design of knuckle joint

[NPTEL: Lecture 13- Design of fasteners, https:// youtu.be/ J9Aj17MAyLY]

3. Design of coupling

[https:// youtu.be/Q60smssCepA]

4.

5.

6.

7.

8.

9.

10.

11.

5 | P a g e


Unit- I Fundamentals of Machine Design 6 to 12 Marks

Que.


1. What is factor of safety? Why it is used in machine design?

2. State & explain various steps involved in design of a machine

elements

3. Enlist different theories of failure. Explain maximum principal

stress theory / maximum shear stress theory with its limitations

4. Discuss various factors that govern selection of material while

designing a machine component

Unit-II: Design of Joints and Machine Elements

1. Draw neat sketch of a knuckle joint and explain the design procedure.

2. Write a note on design of bolted joints with load perpendicular to the axis of bolt.

3. What are advantages and disadvantages of welded joints over bolted joints?

4. Design a knuckle joint to transmit a pull of 80 KN. The permissible stresses are 70 MPa in tension, 55 MPa in shear and 120 MPa in compression.

5.

Design a turn- buckle to be used for a stay rope subjected to pull of 18 KN. The permissible tensile stress for the steel rods used is 72 MPa. The permissible tensile and shear stress for the cast iron nut used is 36 MPa and 30 MPa respectively. Design the turn- buckle.

6.

Design a right angled bell crank lever. The horizontal arm is 500 mm long and a load of 5 KN acts vertically download at the end of this arm. A short arm is 100 mm on which force acts. The permissible stresses for lever and pin materials are 75 MPa in tension and 60 MPa in shear. Safe bearing pressure is 10 N/ mm2. The lever has rectangular cross section and ratio of width to thickness is 3:1. The pin

6 | P a g e

length is 1.25 times pin diameter.

7.

A rectangular steel plate is welded as a cantilever to a vertical column. It carries 50 KN as shown in fig. P8. Determine the weld size if shear stress in the same is not exceed to 120 N/ mm2. Refer sketch (All dimensions are in mm)

Unit- III: Design of Shaft, Keys, and Couplings

Que.


1. Discuss design of shaft for rigidity

2. What are various types of keys? Compare stresses in woodruff key with flat key?

3. What are different types of coupling? Discuss the design procedure for muff coupling.

4.

It is required to transmit a power of 7kW at 750 rpm. The angular deflection of the steel of the steel spindle transmitting the power should not be more than 0.35° per meter length. The modulus of rigidity for the spindle material is 84 GPa. Determine the diameter of the spindle and the shear stress induced in it.

5.

Design and draw rigid unprotected type flanged coupling to transmit 20 KW at 1000 rpm. The maximum torque is 25% more than mean torque. The permissible shear stress for bolt, shaft and key is 40 MPa and crushing stress for bolt and key is 80 MPa. The permissible shear stress for

7 | P a g e

flange material is 18 MPa.

Unit- IV: Design of spring

1. What are the various types of springs used in practice? explain one

application of each.

2. Explain with neat sketches, the stresses induced in helical spring of

circular cross section.

3. Derive an expression for deflection of helical spring of circular

wire.

4.

Design a helical compression spring for a maximum load of 1000 N

for deflection of 25 mm using the valve having spring index of 5. the

maximum permissible shear stress for spring wire is 420 MPa and

modulus of rigidity is 84 KN/ mm2. assume square and ground ends.

Unit- V: Design of power screws

1. Derive an expression for maximum efficiency for square threaded

screw.

2. Discuss various forms of threads used for power transmission giving

their relative merits and demerits

3.

The nominal diameter of triple threaded screw thread is 50 mm,

while the pitch is 8 mm. It is used with collar having outer diameter

of 100 mm and inner diameter as 65 mm. The coefficient of friction

at thread surface as well as collar surface can be taken as 0.15. The

screw is used to raise a load of 15 KN. Using the uniform wear

theory for collar friction, calculate:

i. torque transmitted to raise the load

ii. Torque transmitted to lower the load; and

iii. the force required to raise the load, if applied at a radius of

500 mm

Unit- VI: Design of Pulley and Selection of Belts

1. Explain the step by step procedure for selection of v- belt from

manufacturers catalogue.

2. It is required to select a flat belt drive for a compressor running at

720 rpm, which is driven by a 25 KW, 1440 rpm motor. space is

available for a centre distance of 3 m. The belt open- type.

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COURSE PLAN

Course Code ME315 Course Name Manufacturing Engineering

Prepared by Mr. M.G.MULLA Academic Year 2019-20

Verified by Mr. V. R. Ghatage (HOD MECH) Approved by


Principal

Objectives

1. Study of metal cutting technology including the process, measurements, design and

selection of various cutting tools and their industrial specifications.

2. Introduce the students to design practices of tooling (Jigs and Fixtures) and die

design for presswork.

3. Introduce the students to design practices of Single spindle automat.

4. Study of various aspects of CNC machine technology and its tooling.

COURSE OUTCOMES


Sr. No. CO CO No.

1. Identify parameters of single and multipoint cutting tools ME315.01

2. Identify parameters of Tool Life & Calculation of Tool Life ME315.02

3. Understand single spindle automat, tool layout, cam design ME315.03

4. Selection of production tooling & Design of jigs and fixtures ME315.04

5. Select and design dies for press working operations ME315.05

6. Understand and apply CNC technology ME315.06

EXAMINATION SCHEME

Examination

Scheme Theory Term Work #OE Total

Maximum Marks 100 25 ** 125


2 | P a g e

MAPPING OF COs-Pos

POs


ME315.01 1 2

ME315.02 1 2 3

ME315.03 1 3 2 1

ME315.04 3 2 2

ME315.05 3 2

ME315.06 1 3 2


COURSE CONTENTS

Chap

ter

No.

Contents No. of

Hours

I

Unit 1Theory of Metal Cutting

Wedge action, Concept of speed, Feed and depth of cut, orthogonal and oblique cutting.

Mechanics of metal cutting-Chip formation, Types of chips, cutting ratio, shear plane and

shear angle, velocity relationships, force measurement by tool dynamometers, cutting tool

materials and their properties, Advanced cutting tools. Machinability of Metals- Factors

affecting, improvement and machinability index.

07 Hrs.

II

Unit 2 Tool Life and Tool geometry

A. Tool life - Types of wear, relationship with cutting parameters, Taylor’s equation, and

improvement measures. Surface finish- Factors affecting, effect of cutting parameters,

improvements. Heat generation in machining, its effect on cutting force, tool life and surface

finish, types and selection criteria of cutting fluids.

B. Tool geometry-Parts, angles and types of single point cutting tools, tool geometry of

single point cutting tool, tool geometry of multipoint cutting tools.-drills, milling cutters,

reamers.

07 Hrs.

III

Unit 3 Form Tools and Automat

Types (Flat, Circular, Dovetail) Correction of form tools with and without rake angles, tool

layout of single spindle, automat, process sheet, cam profile, tool layout, calculation of

production rate.

06 Hrs.

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IV

Unit 4 Drilling Jigs and Milling Fixtures

Applications, basic elements, principles and types of locating, clamping and indexing

elements, auxiliary elements like tenon, setting block etc. Type of Drilling jigs and Milling

fixtures-Design consideration of Jigs and fixtures with respect to different operations.

Introduction to modular fixtures.

08 Hrs.

V

Unit 5 Press Tools

Dies, punches, types of presses, clearances, types of dies, strip layout, calculation of press

capacity, center of pressure, Design consideration for die elements (Theoretical treatment

only).

06 Hrs.

VI

Unit 6 CNC Technology and Tooling CNC Technology and CNC tooling: Introduction, Construction and working of CNC, DNC and

machining center. CNC axes and drives. Automatic Tool Changer (ATC) and Automatic pallet

changer (APC) New trends in Tool Materials, Turning tool geometry, Tool inserts (coated and

uncoated), Modular tooling system for Turning. Milling tooling systems, Tools presetting, Work

holding.

06 Hrs.

EVALUATION SCHEME

Secti

on Maximum Marks Question No.

Chapter

No.

I

16-20 Marks Question-1 Chapter-

1


2


3

II


4


5


6

4 | P a g e

REFERENCES

Books

1. “Elements of Workshop Technology Vol. II”, S. K Hajra Choudhury , Media

Promoters and Publishers, Mumbai.

2. “Text Book of Production Engineering”, P.C. Sharma, S. Chand Publication, 11th

Edition.

3. “Machine Tool Engineering” G.R. Nagarpal, Khanna Publication.

4. “Principles of Modern Manufacturing”, Groover, Wiley Publication., 5th Edition.

5. “Production Technology”, HMT –Tata McGraw-Hill Publishing Ltd,. ISBN,

0070964432, 9780070964433., (2001).

6. “Metal Cutting Theory and Tool design” Mr. Arshinnov, MIR Publication.

7. “Fundamentals of Tool Design” ASTME,Prentice-Hall of India Private Ltd., New

Delhi Publication, (1976).

8. “Tool Design”, Donaldson,THM Publication, 3rd Edition.

9. “Machine Tool Engineering”, G.R. Nagarpal, Khanna Publication.

E-books/E-Links

1. https://drive.google.com/drive/folders/0B1k2RCDnejGvNFZWTWhJeDctWDQ

2. https://downloadplaza.com/download/workshop%20technology%20vol%202%20by%20hajra%20chou

dhary%20origenore.html?aff.id=8857&aff.subid=100&dp-pctx=210228233&dp=3312

3. http://bookgedebook.tk/downloads/machine-tool-engineering-g-r-nagpal.pdf





4. https://nptel.ac.in/downloads/112105127/

5. https://nptel.ac.in/courses/112105126/35







5 | P a g e


LIST OF EXPERIMENT

Exp.



1. Study of Broaching machine ---

2. Study and Demonstration of Grinding machine. ----

3 Study of Slotting machine ----

4. Design and drawing of any one Drilling jig. ME315.04

5. Design and drawing of any one Milling fixture. ME315.04

6. Tool layout, process sheet and cam design for single spindle automat. ME315.03

7. Study and Demonstration of tools used in CNC machining. ME315.06

8. Industrial visit to study jig and fixtures, sheet metal. ME315.04

B. Field Visit

1. Field Industrial visit to study jig and fixtures, sheet metal.

C. Beyond Syllabus Activity

1. Hands-on Manufacturing Simulation software (Free available on NET)

6 | P a g e


Unit- I (Assignment 1) Theory of Metal Cutting 16 to 24 Marks

Que.


1. Explain different types of chips with sketch. ME421.1

Common for All

2. Define Machinability and explain various factors affecting on it ME421.1

3. Explain the mechanism of chip formation. ME421.1

4. Explain Orthogonal and Oblique cutting operation with sketch. ME421.1

5. Derive the expression for shear angle in metal cutting ME421.1

6. What is meant by orthogonal cutting? How does it differ from oblique

cutting? ME421.1

7.

In an orthogonal cutting operation the followed data have been

observed:

Uncut chip thickness t =0.127 mm, Width of cut b= 6.35 mm,

Cutting speed V=

2m/s, Rake angle α 1 , Cutting force Fc = 567 N, Thrust forces Ft =

227 N, Chip thickness tc = 0.228 mm. Determine: Shear angle, the

friction angle, shear stress along the shcar plane and the power for

the cutting operation. Also find the chip velocity, and shear strain in

chip.

Additional questions

for Fast Learner

Unit-II: (Assignment 2) Tool Life and Tool geometry 16 to 24 Marks

1. Explain concept of heat generation in metal cutting and use of coolants.

2. Explain with sketch, types of wear in cutting tool.

3. How tool life is specified? List the factors affecting on tool life

4. What are the different materials used for cutting tools. Explain its

important properties.

5.

Find Taylors tool life equation from following data, also determine

cutting speed for 50 min. tool life

V (m/min) 25 40

T (min) 40 20

ME421.2

Common for All 6.

the following equation for tool life is given for a cutting operation,

VT0.13 f0.77 d0.37 =C

A 60min tool life was obtain while cutting speed 30m/min, f

=0.3mm/revol., and d = 2.5mm. Deermine the change in tool life if

the cutting speed, feed and depth of cut are increased by 20%

individually and also thaken together

ME421.2

7. ME421.2

8. While machining C 40 steel with HSS tool at a feed rate of

0.5mm/rev and 3 mm depth of cut, following observations were

ME421.2

7 | P a g e

noted. Assuming Taylor’s equation VTn

C, recommend cutting speed for desired tool life of 60 min.

V1 (m/min) = 25 , T1 (min) = 90 and V2 = 35, T2 = 20

9.

During orthogonal turning operation of C40 steel with carbide

cutting tool, following observations were made. Cutting force

=3000N, Feed force = 2000N,

Rake angle 1 , chip thickness ratio= 0.35. Find out Shear plane

angle, Coefficient of friction between chip and tool interface and

friction angle.

ME421.2

Additional question

for Fast Learner

Unit- III:(Assignment 3) Digital Circuits, Microprocessor and Microcontroller 16 to 24 Marks

Que.


1.

The component is shown in figure is to be processed on single

spindle automat.

Study the component and prepare: i) Detailed process sheet. ii) Tool

layout.

iii) Cam profiles for all radial and axial operations. iv) Production

rate per hour.

ME421.3

Common for All

2. Explain 8051 Microcontroller architecture ME421.3

3. Explain 8085 Microprocessor architecture ME421.3

4. Explain different Logic Gates in Detail ME421.3

5. Explain J K Flip Flops ME421.3

6. What are Flip Flops ? Explain Master Slave flip flops ME421.3

7.

Addition of 8 bit number

Subtracts of 8 bit number

Multiplication of 8 bit number

Division of 8 bit number


for Fast Learner

Unit- IV:(Assignment 4) Programmable Logic Controllers (PLC) 12 to 16 Marks

1. Define programmable Logic Controller (PLC). List advantage

&disadvantage of it over traditional wired control system.

ME421.4

Common for All 2. Draw labeled block diagram of PLC & Explain each component. ME421.4

3. Explain different types of Switches used in PLC with its Symbols. ME421.4

4. Explain Input- Output updating w.r.t. programmable logic controllers ME421.4

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5.

Describe the important function of each &the following components

parts of a plc

a) Process module b) I/O module

c) Programming device d) Power supply device


for Fast Learner

Unit- V: (Assignment 5) PLC Programming 16 to 24 Marks

1. What are ladder diagrams? Explain how internal relays are

incorporated .

ME421.5

Common for All

2. How to construct the ladder diagram explain its rules. ME421.5

3. Short note on scan –update –scan (update i/o-solve-o/p) ME421.5

4. Short note on- fail safe circuit using in PLC ME421.5

5. Explain Timer & its types ME421.5

6. Explain Counter & its types ME421.5

7. Problems on Timer. ME421.5 Additional question

for Fast Learner 8. Problems on Counter. ME421.5

Unit- VI: (Assignment 6) Mechatronics Systems 16 to 24 Marks

1. Compare Mechatronics System with Traditional System.

ME421.5

Common for All 2. Explain the Johanson's method of optimum design and terms used. ME421.5

3. Explain VFD, MEMS, SCADA

ME421.5

4. Problems on PLC used for Industrial Application


for Fast Learner

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COURSE PLAN

Course Code ME316 Course Name CAD- CAM Lab

Prepared by Mr. R. V. Bammankatti Academic Year 2019-20

Verified by Mr. V. R. Ghatage (HOD MECH.) Approved by


Principal

Objective

Provide basic understanding of parametric modeling fundamentals, computer aided

manufacturing fundamentals and develop ability to create solid, surface, assembly

modeling and preparing part programme's.

COURSE OUTCOMES


Sr. No. CO CO No.

1. Understand various applications of CAD ME316.1

2. Apply appropriate command to construct solid model ME316.2

3. Apply appropriate command to construct surface model ME316.3

4. Design a part or assembly of parts using Computer-Aided Design software

ME316.4

5. Learn the basic concepts and elements of a numerical control system

ME316.5

6. Prepare the program for NC/CNC system ME316.6

EXAMINATION SCHEME

Examination

Scheme Theory

Term

Work/tutorial OE/ POE Total

Maximum Marks 25 25 50

Contact Hours 2 6

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MAPPING OF COs-Pos

POs


ME316.1 3

ME316.2 2 2

ME316.3 2 2

ME316.4 2 2

ME316.5 2

ME316.6 2 1


COURSE CONTENTS

Unit No. Contents No. of Hours

I

Introduction to CAD/CAM, GUI, Solid Modeling:

Introduction – Introduction to CAD/CAM in PLC, modeling, simulation, analysis

and optimization. Introduction to Graphical User Interface (GUI), Parametric

solid modeling – fundamentals, apply/modify constraints and dimensions;

transform the parametric 2-D sketch into a 3D solid, feature operations.

6 Hrs.

II

Surface Modeling:

Introduction, various commands in surface modeling.

4 Hrs.

III

Assembly Modeling and Production Drawing:

Assembly modeling – Defining relationship between various parts of machine,

creation of constraints, generation of exploded view.

Production drawing – Generation of 2-D sketches from parts and assembly 3-D

model, appropriate dimensioning and tolerancing

6 Hrs.

IV

Geometric Dimensioning and Tolerance:

Introduction to ASME Y14.5 – 2009, straightness, perpendicularity, flatness,

angularity, roundness, concentricity, cylindricity, run out, profile, true position,

parallelism, orientation.

2 Hrs.

V

Part Programming:

4 Hrs.

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Introduction to manual part programming, use of G and M codes to generate parts

on turning centers, VMC’s, HMC’s etc.

VI

Computer Aided Manufacturing:

Introduction to data exchange formats, integration of CAD/CAM software to

generate tool path using suitable software, CADEM-doNC, SeeNC, CutVIEW,

MillVIEW, MasterCAM, Esprit or equivalent.

4 Hrs.

EVALUATION SCHEME Practical examination for this subject shall consist of creation of part models and assembly of a machine with

minimum five components and tool path generation using G and M Codes.

REFERENCES

Books

1. ''CAD/CAM- Principals and Applications”,2e, P.N. Rao, Tata McGraw Hill

2. Machine Drawing”, N. D. Bhatt and V.M. Panchal, Charoter Publications

Data Manuals

1. Help Manuals and Tutorials of Referred Software

E-books/E-Links

1.

2.

3.


1.

2.

3.

4.

5.

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TERM WORK

Sr.

No. ASSIGNMENT CO No. Remark

1. Solid Modeling with drafting - 2 Exercises ME316.2

2. Surface Modeling like mouse, badminton racket, monitor, hair dryer

etc. - 2 Exercises ME316.3

3. Assembly with minimum 5 components like crane hook, tail stock,

screw jack, universal coupling etc. ME316.4

4. Part programming for CNC turning center – 2 parts ME316.5 ME316.6

5. Part programming for Vertical Machining Center – 2 parts ME316.5 ME316.6

6. Tool path generation by using suitable CAM software – 2 parts ME316.6

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COURSE PLAN

Course Code ME 317 Course Name Professional Skill Development

Prepared by Mr. P.A. Harari Academic Year 2019-20

Verified by Mr. V.R. Ghatage (HOD Mech) Approved by Academic Coordinator /

Principal

Objective

Communicate effectively in business situations. Practice and improve technical

skills. Utilize collaborative and management skills in a team context. Develop

presentation skills.

COURSE OUTCOMES


Sr. No. CO CO No.

1. Strengthen technical and soft skills necessary for workplace success

ME 317.1

2. Increase awareness of marketability on the job market and confidence in

abilities ME 317.2

3. Effectively make the transition from school to the workplace

ME 317.3

4. Manage their career by navigating through the working world more

effectively ME 317.4

EXAMINATION SCHEME

Examination

Scheme Theory Term Work POE Total

Maximum Marks ** 25 ** 125

Contact Hours ** 1 ** 1

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MAPPING OF COs-Pos

POs


ME 317.1 1

ME 317.2 2 2

ME 317.3 2 2

ME 317.4 2 2


COURSE CONTENTS

Chapter


I

Technical Writing and Business Communication

Informal and formal letter writing ,quotations, purchase orders, enquiry letter,

invitation and acceptance letter, notice of meeting ,circular, agenda and minutes

of meeting.

2 Hrs.

II

Report and Proposal Writing

Different types of report, structure of a report, characteristics of a good report,

project report, structure of a general format proposal, importance of a proposal.

2 Hrs.

III

The e-English

Writing email to an unknown person, guidelines for continuing the conversation

on emails, the top ten Do’s, Business emails, marketing emails. 2 Hrs.

IV

Team Building and Time Management

Interpersonal skills, what is needed to form smart team. Different approaches to

team building. Techniques of a time management: ABC analysis, Pareto analysis,

fit analysis, POSEC method, Eisenhower method, Prerequisite of time

management.

4 Hrs.

V

Corporate Etiquettes

Business dress and grooming, office etiquettes, telephone etiquettes, dining

etiquettes, meeting etiquettes, travel etiquettes. 2 Hrs.

VI

Writing a Research Article and Mastering Presentation Skills

General form, title page, abstract, methods, results, literature cited, Microsoft

office power points creating presentation, formatting, adding Graphics, animation

videos.

2 Hrs.

REFERENCES

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Books

1. “Soft skills for managers”, Dr. T. Kalyana Chatravarthi, Dr. T. Latha Chatravarthi Biztantra.

2. “Soft skills for young managers”, by Prof. M. S. Rao Wiley India Pvt. Limited.

3. “Technical English”, Dr. M. Hemamalini, Published by Wiley India Pvt.ltd.

4. “Soft skills”, S. Hariharan MJP Publiishers Chennai, (2010).

Web Links

1. https://natajournals.org/doi/pdf/10.4085/1947-380X-3.1.2

2. https://www.aicte-india.org/bureaus/skill-development

3. https://www.classicaldressage.co.uk/Progressive-Skill-Development/progressive-skill-development.html

4. http://www.victoria.ac.nz/som/study/subjectsoffered/images-and-documents2/hrir-progressive-skills-

development.pdf

5. https://www.moderncollegegk.org/pdf/skill-development-brochure.pdf

6. https://m.economictimes.com/industry/govt-is-committed-to-skill

development/articleshow/41062740.cms

LIST OF ASSIGNMENTS

Asst.

No. Assignment Title

1. Quotation and Purchase order for the Engineering goods. ME 317.1

2. Agenda, notice and minutes of a meeting. ME 317.1

3 One report based on the project /literature review/comparison etc. ME 317.2

4. One proposal for research /Business etc. ME 317.2

5. One term paper based on recent trends based on Mechanical Engineering. ME 317.2

ASSIGNMENT QUESTIONS / QUESTION BANK

Unit- I Technical Writing and Business Communication

1. Write one letter to HOD regarding medical leave

Common for All 2. Get two or three quotation of two wheeler bike of different companies

https://natajournals.org/doi/pdf/10.4085/1947-380X-3.1.2

https://www.aicte-india.org/bureaus/skill-development

https://www.classicaldressage.co.uk/Progressive-Skill-Development/progressive-skill-development.html

http://www.victoria.ac.nz/som/study/subjectsoffered/images-and-documents2/hrir-progressive-skills-development.pdf

http://www.victoria.ac.nz/som/study/subjectsoffered/images-and-documents2/hrir-progressive-skills-development.pdf

https://www.moderncollegegk.org/pdf/skill-development-brochure.pdf

https://m.economictimes.com/industry/govt-is-committed-to-skill%20development/articleshow/41062740.cms

https://m.economictimes.com/industry/govt-is-committed-to-skill%20development/articleshow/41062740.cms

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Unit-II Report and Proposal Writing

1. Write one literature review on 10 research papers of any topic Common for All

2. Write one report on mini project

Unit- III The e-English

1. Write one E-mail to unknown person regarding your plan to sell some books Common for All

2. Write one E-mail to receive quotation of laptop

Unit- IV Team Building and Time Management

1. What are different approaches for team building? Common for All

2. What are different techniques of time management?

Unit- V Corporate Etiquettes

1. What are office etiquates, telephone etiquates Common for All

2. What are dining etiquates, meeting etiquates, travel etiquates

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