Unit 1 Introduction

4 lecture hours

• meaning and definitions of tool
• tool design and tool engineering
• features & applications
• Tool engineering-functions and importance to enhance productivity and quality
• Importance of process planning in tool engineering
• importance and principles in tool engineering
• Universal acts & their elements of a manufacturing operation with suitable simple example

Unit 2 Cutting tool material and tool holders. Cutting tool materials-types, composition, properties

8 lecture hours

• and applications
• Carbide inserts-types
• ISO-designation and applications
• Re-sharpening methods of following cutting tools: i
• Drill. ii
• Side and face milling cutter. iii
• End mill. iv
• Centre drill
• type A and B. v
• Gear hob
• Tool holders for turning and milling carbide inserts-types
• Tool holding and tool mounting systems for conventional milling and drilling machine tools
• Tool sharpening method for single point cutting tool

Unit 3 Locating and clamping devices

• meaning and definitions of location and clamping
• Use of locating and clamping principles in day-to-day supervision on shop floor
• Degree of freedom-concept and importance. 3-2-1 principle of location
• Types- ii
• Sketches with nomenclature. iii
• Working. iv
• Applications. 8 Subject Code: 3172510 w.e.f
• AY 2018-19 Fool proofing and ejecting
• Clamping devices: i

Unit 4 Jigs and fixtures. Concept, meaning, differences and benefits of jigs and fixtures

10 lecture hours

• sketches with nomenclature
• working and applications of jigs
• working and applications of fixtures
• Steps to design jigs and fixture
• For given simple component: i
• Select type (Jig or fixture). ii
• Develop locating method. iii
• Develop clamping method. iv
• Design jig and fixture (as applicable). v
• Prepare details and assembly sketches

Unit 5 Press tool design.Press working processes-types, sketches and applications. Press tools

10 lecture hours

• components and their functions
• definitions and calculations of press tonnage and shut height of press tool
• Shear action in die cutting operation
• Centre of pressure: Concept
• methods of finding and importance
• Die clearance: Concept
• effects and methods of application
• Cutting force: Methods to calculate and methods of reducing
• Shear angle- concept
• need and method to give shear angle on punch and die.Scrap strip layout: - Concept
• method to prepare, and determining percentage stock utilization
• working, and applications of stock stop
• strippers and knockouts
• Cutting dies-types and applications Design of progressive cutting die: i
• Sketch the component. ii
• Prepare scrap strip layout. iii
• Calculate tonnage. iv
• Determine centre of pressure. v
• Determine dimensions of punches
• die block and die shoe. vi
• Prepare sketch of stripper plate. vii
• General assembly sketch of punches arrangement
• die block
• die shoe and stripper plate

Unit 6 Dies and moulds. Bending

• Types. ii
• Parts and functions of bending die. iii
• calculations and factors affecting bend radii
• bend allowance and spring back. iv
• Method to compute bending pressure. v
• working and applications of bending dies
• Drawing dies-types and method to determine blank size for drawing operation
• working and applications of drawing dies (embossing
• swaging and hole flanging)
• Forging dies- terminology
• working and applications.Sketch
• working and applications of following dies/mould: i
• Extrusion. ii
• Plastic injection. iii
• Blow moulding. 05 Total Hours 45 Subject Code: 3172510 w.e.f