PL6601 - FUNDAMENTALS OF PLASTICS MOULD AND DIE DESIGN (Syllabus) 2013-regulation Anna University

PL6601

FUNDAMENTALS OF PLASTICS MOULD AND DIE DESIGN

 LPTC

3003

OBJECTIVES: To enable the students
• To learn the fundamentals of mould design and different types of moulds.
• To learn the basic product design aspects related to the products made by injection molding, extrusion and blow moulding.

UNIT I

9

Orthographic projection-Projection of solids—vertical and horizontal surfaces-Inclined Surfaces-Curved Surfaces-Sectional views and assembly drawing.

UNIT II

9

Basic Principles-Shrinkage-Flash lines-Undercuts-suggested Wall thickness-Draft- Tolerance- Moulded holes-threads-radius- moulded hinges-integral hinge-snap fits – product design thumb rules - case studies and product design.


UNIT III

9

Parting line-Construction of core and cavity-types of gate-types of ejection-Mould temperature control - cooling - Mould alignment Mould anciliary parts.

UNIT IV

9

Types of moulds-two plate - three plate - split moulds - Machine selection-Principles of shrinkage allowances - materials for mould parts-life of mould-mould maintenance-case studies on mould design.

UNIT V

9

Extrusion -- extruder parts - extrusion screw - design features - design variables. Injection Moulds for threaded components – automatic unscrewing – various unscrewing methods

TOTAL : 45 PERIODS

OUTCOMES:
Upon completion of this course, the students will understand the basics of Plastics mould design and also product design. They also acquire knowledge about various moulds for different processing techniques.

TEXT BOOKS:
1. Plastic Design & Processing - By Sharma, S.C.
2. Injection Mould Design Fundamentals (Vol. I& II) - By Glanvill & Denton
3. Plastics Moulds & Dies - By Sors, & Others.

REFERENCES
1. Injection Mould -By VDI.
2. Injection Mould Design for Thermoplastic - By Pye, R.G.W.
3. Injection Mould & Molding - By Dym.
4. Injection Moulds – 130 Proven Design - By Gastrow, H.
5. Plastics Product Design Engineering Hand Book - By Dubois, H.
6. Plastics Product Design & Process Engineering - By Belofsky, Harold.

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