Unit 1 Fundamentals of Material Removal & Tool Technology

• Overview of Machining  Broad classification of machining and machine tools

Unit 2 Cutting Tool Technology

•  Tool materials and their properties.  Cutting tool nomenclature and geometry for single-point tools

Unit 3 Mechanics of Cutting

•  Orthogonal vs. oblique cutting  Chip formation
• chip types

Unit 4 Cutting Fluids

• applications and Desirable properties

Unit 5 Machining Parameters & Calculations

•  Cutting speed
• depth of cut, MRR  Influence on tool life and surface finish

Unit 6 Carbide Insert Systems

•  ISO insert designation and tool holder coding

Unit 7 Shop-floor Safety

10 lecture hours

•  Safety practices for machining operations 06 13 Program Name: Diploma Engineering Level: Diploma Branch: Mechanical Engineering (CAD/CAM) Subject Code : DI04065021 Subject Name : Manufacturing Engineering Processes - II 2
• Lathe Operations & Process Planning 1
• Centre Lathe Fundamentals  Working concept with functional block diagram  Typical specifications of training lathes 2
• All-Geared Lathes  Constructional layout and drive kinematics  Operations: turning
• Work-Holding & Tool-Holding  Chucks (3-jaw
• Thread cutting on Lathe  Mechanism and Gear setting for thread cutting 5
• Taper turning on Lathe  Swiveling compound rest 6
• Machining Parameter Selection  Selection of cutting parameters for given tool–work combinations  Estimating machining time and cost — numerical examples for producing a simple lathe part.  Process Planning of simple workpiece. 08 17 3
• Milling Machines 1
• Introduction to Milling  Working concept using block diagram  Horizontal vs. vertical milling machines 2
• Vertical Universal Milling Machine  Construction and key features  Typical specifications for workshop practice  Operations performed  Up milling and down milling 3
• Tools & Tooling  Milling cutter types and applications  Geometry of milling cutters  Cutter holding devices  Work holding devices 4
• Indexing 08 17 Program Name: Diploma Engineering Level: Diploma Branch: Mechanical Engineering (CAD/CAM) Subject Code : DI04065021 Subject Name : Manufacturing Engineering Processes - II  Simple indexing: principle and simple numerical 5
• Machining Parameter Selection  Selection of parameters calculations  Estimating machining time and cost — numerical examples for producing a simple part on milling. 4
• Drilling & Boring Processes
• Shaping & Planing machines Drilling Machines  Working principle and construction  Standard types and their applications  Sample specifications of pillar type drilling machine  Operations performed  Work holding devices  Tool holding devices Radial Drilling  Construction
• Applications  Typical specifications Twist drill Geometry Cutting Parameters Selection  Selection of cutting parameters  Estimating machining time and cost — numerical examples for producing a simple drilling part
• Boring Machine  Working principle and industrial uses
• operations Shaping machine  Working principle and construction  Operations performed  Typical specification of standard shaper  Crank and Slotted Link Mechanism Planing  Working principle and construction of standard planer  Comparison with shaping 06 13 5 Grinding machines 1
• Grinding machines  Construction and working of Surface Grinding
• Cylindrical Grinding
• Centreless Grinding
• Tool& cutter Program Name: Diploma Engineering Level: Diploma Branch: Mechanical Engineering (CAD/CAM) Subject Code : DI04065021 Subject Name : Manufacturing Engineering Processes - II grinding machines 2
• Grinding Wheels  Wheel specification coding & selection 3
• Terms associated with Grinding Practices  Dressing
• balancing and mounting 4
• Honning Lapping & Super finishing  Working & applications Part B : Non-Conventional Machining Processes 6 Non-Conventional methods of Machining 1
• Electric Discharge Machining (EDM)  Principle