Manufacturing of Molds for Plastic products.
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Manufacturing of Molds for Plastic products. Syllabus — Unit-wise Content
The official GTU curriculum for Manufacturing of Molds for Plastic products. (subject code 3172320) as prescribed for Plastic · Semester 7 divides the course into 6 units, covering 14 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (3172320)Unit 1 Introduction
- Mould making techniques
- factors to be considered
- machines for mould making like Lathe
- Grinding, EDm, etc. with applications
Unit 2 Material for Moulds
- Selection of steels – Properties of steels – common 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 Non-metallic materials for mould construction: Advantages and its applications – epoxies - polyester – silicon
Unit 3 Surface Treatment of Mould Materials
- 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 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 measuring instruments – Vernier – Micrometer – Height Gauge – Slip Gauge – Dial Gauge – Measuring tapers and angles – CMM 5 Subject Code: 3172320 w.e.f
Unit 6 Mould Estimation, Repair and Protection
- Procedure for estimating
- 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
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