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SIR PADAMPAT SINGHANIA UNIVERSITY

UDAIPUR

Department of Mechanical Engineering

M.TECH. (Mechanical Engineering)II Semester

ME 504 Machining Processes and Analysis 3 credits [3-0-0]

Machining, definition and objectives. Geometry of cutting tools; turning, milling and

drilling - in different reference systems like machine reference system, tool reference

system and work reference system. Sharpening and resharpening of cutting tools.

Mechanism of chip formation by single point tools, drills and milling cutters. Types of

chips and their characteristics. Effective rake.

Mechanics of machining, theoretical estimation and experimental determination of

cutting forces and power consumption. Dynamometers; types, design, construction and

use.

Thermodynamics of machining, sources of heat generation, cutting temperature

modelling, measurement of cutting temperature. Cutting fluids; purpose, essential

characteristics, selection and methods of application. Cutting tools; methods of failure, mechanics of tool wear, essential properties,

assessment of tool life and cutting tool materials.

Economics of machining; principal objectives, main parameters and their role on

cutting forces, cutting temperature, tool life and surface quality, selection of optimum

combination of parameters.

Causes of vibration and chatter in machining and their remedy

References:

1. Fundamentals of machining processes: conventional and non-conventional by

Hassan El- Hophy, CRC Press

2. Fundamentals of machining and machining tools by Geoffrey Boothroyd, Winston

A. Knight, Taylor and Francis.

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3. Modern machining processes by P.C. Pandey, H.S. Shan, Tata Macgraw Hills.

4. Manufacturing Science by Amitabha Ghosh, Ashok Mallick, East- West Press

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ME 505 Advanced Machine Dynamics 3 credits [3-0-0]

Basic concepts of kinematics and mechanisms-type, number and dimensions, kinematic

pairs, chains and inversions, accuracy point and error analysis, velocity and

acceleration analysis of different complex mechanism (I, II & III ), gross motion in the 4-

bar mechanisms, static and dynamic force analysis of mechanisms. ; Synthesis of

coordinated positions, synthesis of mechanism to trace a curve or path generation,

synthesis for function generation. ; Dimensional synthesis, method of approach and

optimization of a solution. ; Equivalent and conjugate linkages, four bar chains, copular

curves, Robert's Law chebycheve's polynomials, path curvature Euler -Savary equation,

Polode curvature. ; Planer and spatial problems, graphical and analytical methods, finite

displacements, analytical design of 4-bar mechanisms for coordinated motion. ; Cams:

synthesis of cam profiles, advanced cam curves, dynamic analysis, accuracy analysis

and design of cams. ; Gears and gyroscopes: Elements of different secondary space

curves, conjugate action, general mechanism, noncircular sensors, dynamics of gears,

Gyrodynamics, gyroscopic actions in machines.

Text Book:

1. A. Ghosh & A.K. Mallik, Theory of Mechanism And Machines, Affiliated East-

West Press: 1998

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ME 506 Non Traditional Parameters in Design 3 credits [3-0-0]

Design for Fatigue: Fatigue under normal conditions, controlling factors in fatigue,

Design for fatigue, Fracture Theories of strength and working stress. ; Temperature and

creep stress strain properties, creep in tensor, creep in bending, members, subjected to

creep and combined stresses, Basic modes fracture. ; Formulation and solution of two

dimensional thermo elastic problems, basic problems in Thermoelasicity, circular disc

and cylinder with radial temperature distribution, thermal stress and deflection in beams,

introductory problems.

Text/Reference Boks:

1. J.M. Lessels. Resistance of Materials - (Ch.6, 7, 8 and 11).

2. J.Marie, Mechanical Behavior of Engineering Materials - (Chap.7 and 8).

3. Boley and Weiner, Theory of thermal stresses - John Wiley. (Chap. 4, 8, 9 and 10).