ME 1503 : MACHINE TOOLS & MACHINING SCIENCE

Syllabus

Module 1 
Engine lathe,Principle of working, specification of lathe, types of lathes, work holders, tool holders, Box tools, Taper turning, thread turning, for Lathes and attachments. Turret and capstan lathes, collet chucks, other work holders,tool holding devices. Principal features of automatic lathes – classification – Single spindle and multi-spindle automatic lathes. Shaping slotting and planing machines, Principles of working, Principal parts, Specification classification, Operations performed. Kinematic scheme of the shaping slotting and planning machines, machining time calculations. Drilling and Boring Machines, Principles of working, Specifications, types, Operations performed, Tool holding devices, Twist drill, Boring machines, Fine boring and Jig boring machines. 

Module II 
Milling Machine, Principles of working, Specifications, Classifications of milling machines, Principal features of horizontal, vertical and universal milling machines, Machining operations, Types of milling cutters, Methods of indexing, Accessories to milling machines, Grinding machine, Fundamentals, Theory of grinding , Classification of grinding machine, Ccylindrical and surface grinding machine, Tool and cutter grinding machine, Special types of grinding machines, Different types of abrasives – bonds specification of a grinding wheel and selection of a grinding wheel, Lapping, honing and broaching machines , Comparison to grinding . Jigs &Fixtures: Types and their application for turning, milling, drilling and boring, Principles of location and clamping, tool guidance. 

Module III

Mechanics of metal cutting, Merchant's circle diagram, Determination of cutting and thrust forces, Coefficient of friction, Measurement of shear angle, Direct and indirect methods; Mohr's circle diagram, Lee and Shaffer's relationship, Friction in Metal cutting, Mechanics of oblique cutting, Concept of rake angle measured in different planes, Shear angle; Velocity and force relationship. Tool wear and tool life, Mechanism of wear, Progressive tool wear, Flank wear, Crater wear, Model of diffusion wear; Tool life : Variables affecting tool life-Cutting conditions, Tool geometry; Tool materials; work materials; Work materials; Cutting fluids; Determination of tool life equation; Machinability, Economics of machining 

Module IV 
Mechanics of metal cutting, Merchant's circle diagram, Determination of cutting and thrust forces, Coefficient of friction, Measurement of shear angle, Direct and indirect methods; Mohr's circle diagram, Lee and Shaffer's relationship, Friction in Metal cutting, Mechanics of oblique cutting, Concept of rake angle measured in different planes, Shear angle; Velocity and force relationship. Tool wear and tool life, Mechanism of wear, Progressive tool wear, Flank wear, Crater wear, Model of diffusion wear; Tool life : Variables affecting tool life-Cutting conditions, Tool geometry; Tool materials; work materials; Work materials; Cutting fluids; Determination of tool life equation; Machinability, Economics of machining 

References: 
 1) Production Technology by R.K. Jain and S.C. Gupta. 
 2) Production Technology by H.M.T. Tata McGraw Hill 
 3) Modern Machining Processes – P.C.Pandey, H.S.Shan, Tata McGraw Hill. 
 4) Machining Science by Ghosh & Mallick, Affiliated East West Press 
 5) Machine tool practices – Richard R Kibbe,Roland O Meyer 
 6) Manufacturing Technology Volume -2 : P.N Rao ,McGraw Hill 
 7) ASTME: Fundamentals of Tool Design 
 8) Donaldson : Tool Design, Mc Graw Hill 
 
Type of Questions for University Exam.
Q 1.Eight short answer questions of 5 marks with two questions from each of the four modules. (8x5 = 40 marks) 
Q 2. to Q.5 : Two questions A & B of 15 marks from each modules with option to answer either A or B. (4x15 = 60 marks)