Rashtrasant Tukadoji Maharaj Nagpur University, Maharashtra, Mechanical Engineering Semester 4, Machining Processes Syllabus

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Unit - 1 Pattern Making & Moulding

Unit 1

Introduction to Machining Parameters

1.1 Introduction to machining Tool materials nomenclature and tool geometry of single point cutting tool tool materials properties classification HSS carbide tool coated tools diamond coated tool.

1.2 Theory of Metal Cutting Introduction

1.3 Orthogonal and Oblique cutting

1.4 Mechanics of Metal Cutting

1.5 Merchant’s circle Chip formation cutting force calculations cutting fluids cutting speed feed and depth of cut on power requirement Estimation of tool life

Unit 1

Introduction to Machining Parameters

1.1 Introduction to machining Tool materials nomenclature and tool geometry of single point cutting tool tool materials properties classification HSS carbide tool coated tools diamond coated tool.

1.2 Theory of Metal Cutting Introduction

1.3 Orthogonal and Oblique cutting

1.4 Mechanics of Metal Cutting

1.5 Merchant’s circle Chip formation cutting force calculations cutting fluids cutting speed feed and depth of cut on power requirement Estimation of tool life

Unit - 2 Joining Processes

Unit 2

Lathe

2.1 Lathe Introduction types construction of simple lathe mechanism and attachments for various operations machine specifications basis for selection of cutting speed feed and depth of cut time estimation for turning operations such as facing step turning taper turning threading knurling

2.2 Introduction to Capstan Turret Lathe and fundamentals of NC. Shaper Introduction types specification description of machines cutting parameters

2.3 Mechanism of shaper Quick return mechanism Crank slotted link mechanism Table feed mechanism attachments for shaper work holding devices shaper operations

2.4 Planer Introduction specifications description types of planner open side planner pit planner

2.5 Mechanism for planner Driving mechanism feeding mechanism planner cutting tools cutting parameters

Unit 2

Lathe

2.1 Lathe Introduction types construction of simple lathe mechanism and attachments for various operations machine specifications basis for selection of cutting speed feed and depth of cut time estimation for turning operations such as facing step turning taper turning threading knurling

2.2 Introduction to Capstan Turret Lathe and fundamentals of NC. Shaper Introduction types specification description of machines cutting parameters

2.3 Mechanism of shaper Quick return mechanism Crank slotted link mechanism Table feed mechanism attachments for shaper work holding devices shaper operations

2.4 Planer Introduction specifications description types of planner open side planner pit planner

2.5 Mechanism for planner Driving mechanism feeding mechanism planner cutting tools cutting parameters

Unit - 3 Forming Process For Metals

Unit 3

Milling

3.1 Milling Introduction

3.2 Specification types column knee type milling machine fixed bed type milling machines production milling machines special purpose milling machines such as thread milling Machines profile milling machine Gear Milling

3.3 Hobbing machines

3.4 Mechanisms Attachments for Milling Cutting parameters Types of milling operations Types of milling cutters Tool geometry their specifications

3.5 Indexing simple compound and differential

3.6 Slotter Introduction specifications description type of drives for slotter types of slotting machines production slotter puncher slotter tool room slotter slotter tools

Unit 3

Milling

3.1 Milling Introduction

3.2 Specification types column knee type milling machine fixed bed type milling machines production milling machines special purpose milling machines such as thread milling Machines profile milling machine Gear Milling

3.3 Hobbing machines

3.4 Mechanisms Attachments for Milling Cutting parameters Types of milling operations Types of milling cutters Tool geometry their specifications

3.5 Indexing simple compound and differential

3.6 Slotter Introduction specifications description type of drives for slotter types of slotting machines production slotter puncher slotter tool room slotter slotter tools

Unit - 4 Sheet metal working

Unit 4

Grinding

4.1 Grinding Operations grinding wheel specifications selection cylindrical central less grinding operation surface grinding tool cutter grinding time estimation for grinding operations

4.2 Super finishing process Honing Lapping super finishing polishing buffing metal spraying galvanizing and electroplating

4.3 Process parameters and attainable grades of surface finish surface measurement

Unit 4

Grinding

4.1 Grinding Operations grinding wheel specifications selection cylindrical central less grinding operation surface grinding tool cutter grinding time estimation for grinding operations

4.2 Super finishing process Honing Lapping super finishing polishing buffing metal spraying galvanizing and electroplating

4.3 Process parameters and attainable grades of surface finish surface measurement

Unit - 5 Introduction to Plastics

Unit 5

Drilling

5.1 Drilling introduction tools for drilling classification of drills twist drills drill size and specifications tipped drills type of drilling machinesportable drilling machine

5.2 Bench drilling machine right drilling machine radial drilling machine universal drilling machine multi sided drilling machine

5.3 Drilling machines operations time estimation for drilling

5.4 Reaming Introduction description of reamer type of reaming operations

5.5 Boring Introduction types of boring machine horizontal boring machine vertical boring machine jig machine micro boring and boring operations

5.6 Broaching Introduction type of broaches nomenclature of broaches types of broaching machines

Unit 5

Drilling

5.1 Drilling introduction tools for drilling classification of drills twist drills drill size and specifications tipped drills type of drilling machinesportable drilling machine

5.2 Bench drilling machine right drilling machine radial drilling machine universal drilling machine multi sided drilling machine

5.3 Drilling machines operations time estimation for drilling

5.4 Reaming Introduction description of reamer type of reaming operations

5.5 Boring Introduction types of boring machine horizontal boring machine vertical boring machine jig machine micro boring and boring operations

5.6 Broaching Introduction type of broaches nomenclature of broaches types of broaching machines

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Other Subjects of Semester-2

Material science & engineering

Fluid mechanics & hydraulic machines