Unit 1 Introduction

4 lecture hours

• Mould making techniques
• Toolroom Machines for moulds making like Lathe
• Grinding, EDM, Wire EDM, Computer assisted machines and their importance

Unit 2 Material for Moulds

• Selection of steels – Properties of steels – common 07 20% steels used for moulds – strength of materials
• calculation of wall thickness for cavity – Insert size – Life of mould Non-ferrous metals for mould construction: Application – Zinc base alloys – Aluminium alloys – Beryllium copper Practically used EN materials
• etc. with importance and application

Unit 3 Surface Treatment of Mould Materials

7 lecture hours

• Introduction – Heat treatment process – case hardening – through hardening – nitriding – tips on successful heat treatment – vacuum hardening – cryogenic heat treatment. – Hard chrome plating – Nickel plating – chemical etching – Mould Polishing techniques

Unit 4 Mould Making Techniques

• Pantograph engraving – Hydro copying – Jig 07 20% w.e.f
• Academic Year: 2024-25 Semester: 1st Semester Category of the Course: PEC GUJARATTECHNOLOGICALUNIVERSITY Program Name: Engineering Level: PG Branch: Plastic Engineering Course/Subject Code: ME01084071 Course/Subject Name: Plastic Mould Manufacturing Techniques boring – CNC machines – CNC Lathe –CNC Milling – CNC EDM – CNC programming- Programming codes like G Code
• M codes etc
• Advantages and its Applications – Assembly of moulds – Rapid prototyping techniques

Unit 5 Inspection and Quality Control of Moulds

• Introduction to Tool Room 10 15% measuring instruments – Vernier – Micrometer – Height Gauge – Slip Gauge – Dial Gauge – Measuring tapers and angles – CMM

Unit 6 Mould Estimation, Repair and Protection

• Procedure for estimating 10 15% mould cost – General outline – Cost calculation – Basic moulds – Cavity – Basic functional components – Special functions etc
• Introduction – Mould Repair and maintenance – scheduling mould maintenance – advantages – storage – corrosion protection – wear and lubrication – special consideration