Manufacturing Science And Technology - II Premium Lecture Notes. Specially for Mechanical Engineering Candidates. Syllabus Covered based on B.Tech Mechanical Engineering 5th Semester.
MANUFACTURING SCIENCE AND TECHNOLOGY – II
CONTENT:
Chapter – 1
CLASSIFICATION OF MACHINE METALING PROCESS
CHAPTER -2
MECHANISM OF CHIP FORMATION
CHAPTER-3
FORCE SYSTEM IN TURNING
CHAPTER 4
EVALUTION OF MACHINABILITY
CHAPTER – 5
JIGS AND FIXTURES
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Chapter – 1
CLASSIFICATION OF MACHINE METALING PROCESS
Shaping of forming
Joining process
Removal process
Regenerating manufacturing
Classification of material removal
Conventional cutting tool material
1. Carbon tool steel
2. Medium alloy steel
3. High speed steel
4. Satellite
Advanced cutting tool materials
Principle of coating
Coronite
Polycrystalline
Advantages
Disadvantages
Limitation
Diamond coated carbide tools
Types of tools
1. Single point cutting tool
2. Multi point cutting tool
Clearance angle
Effect of tool geometry
Effects of its various parameters
1. Strength of tool
2. Heat dissipation
3. Cutting force
4. Power consumption
5. Surface finish
CHAPTER -2
MECHANISM OF CHIP FORMATION
Basic mechanism
1. Yielding
2. Brittle fracturing
Shear plane
Types of chip
Factors involved in chip formation
Cutting variable
Cutting environment
CHAPTER-3
FORCE SYSTEM IN TURNING
Introduction
Merchant circle diagram
Evolution of cutting power and specific energy requirement
Drilling dynamometer
CHAPTER 4
EVALUTION OF MACHINABILITY
Introduction
Machinability depends on
1. Chemical composition of job material
2. Surface material
Properties of work material
Role of geometry cutting tool
Mechanism of tool wear
Tool life
Parameter affecting tool life
Taylor’s tool life equation
Mathematical analysis for optimum cutting speed
Experimental determination of tool temperature
Types of cutting fluid
Methods of application of cutting fluid
CHAPTER – 5
JIGS AND FIXTURES
Introduction
Advantages
Principle
Reduction of idle time
Rigidity and stability
Thermal expansion
Face plate fixture
Location and clamping elements
Classification of fixture
Types of drilling jigs
General design principles for locating device
General methods of locating
Quick clamping method
CHAPTER 6
DESIGN OF SINGLE POINT CUTTING TOOLS
Types of work piece material and tool material
Types of operation
Calculation for tool cross section
Design of tool tip
Classification of form tools
Flat form tool
CHAPTER 7
NON CONVENTIONAL MACHNING PROCESS
Introduction
Classification
Process parameter
Effects of process parameter
Application
Electrode material
Application
CHAPTER 8
PRINCIPLES OF NC,CNC and DNC MACHINES
Introduction
Difference between CNC and DNC
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