15PO41T: Mould and Die Design Polymer 4th Sem Syllabus for Diploma DTE Karnataka C15 Scheme

Mould and Die Design detail DTE Kar Diploma syllabus for Polymer Technology (PO), C15 scheme is extracted from DTE Karnataka official website and presented for diploma students. The course code (15PO41T), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below. The syllabus PDFs can be downloaded from official website.

For all other polymer 4th sem syllabus for diploma c15 scheme dte karnataka you can visit Polymer 4th Sem Syllabus for Diploma C15 Scheme DTE Karnataka Subjects. The detail syllabus for mould and die design is as follows.

Pre-requisites:

Prerequisites: Knowledge of basics Engineering Graphics & Cad lab.

Course Objectives:

1. To impart knowledge of injection mould design calculation procedure.
2. To provide understanding of compression and transfer mould design for making plastic products.
3. To provide understanding of calculation and design procedure of blow mould and extrusion dies.
4. To equip with the knowledge of recent developments in mould and die design

Course Outcomes:

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UNIT-I: MOULD DESIGN FUNDAMENTALS (10 hours)

Basic terminology and mould construction – Cavity and core – Bolster – Sprue bush – Guide pillar – Mould fastening, Parting line construction – Feed system -Design and importance of sprue – Design of runners – Runner selection – Runner cross section – Balancing of runner. Design of gate system – Types of gating system – Winkle gate – Diaphragm gate – Sprue- gate – Edge gate – Fan gate -Ring gate – Submarine gate – Pin point gate – Tab gate – Selection of gate and application – use of mold flow for gate design – Types of ejection – Pin, sleeve, air- calculation of ejector force- types of sprue pullers.

UNIT II: INJECTION MOULDING AND COOLING SYSTEM (8 hours)

Classification of injection molds – number of cavities – selection of injection molding machine -Design two plate and three plate mold – Design of cooling system – Cavity cooling techniques -Core cooling techniques- cooling time calculation and cooling channel layout.

UNIT III: COMPRESSION (7 hours)

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UNIT IV: TRANSFER MOULD DESIGN (7 hours)

Transfer molding – types, design of pot and plunger, feed system, economic determination of number of cavities, loading chamber design, advantages and disadvantages of compression and transfer molds

UNIT V: BLOW MOULD DESIGN (10 hours)

Blow mould – Die and mandrel design – – Side feed – Spider or axial flow head – Accumulator head – Parison control – Parison programming – Neck pinch off – Venting and mould surface finish -Cooling. Die geometry – Designing of pipe die – Production line – Torpedo, mandrel – Blow mold design – material selection, mold cooling, mold venting, pinch-off, parison diameter calculation, blow ratio. Design and constructional features of different type of parison dies.

UNIT VI: EXTRUSION DIE AND MOULD DESIGN (10 hour)

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Course Delivery:

The Course will be delivered through lectures, classroom interaction, exercises and assignments.

Text Books:

1. R.G.W.PYE, Injection Mould Design, SPE Publication, 1986.
2. Menges Mohren, How to Make Injection Molds Hanser Publication, New York, Second Edition, 1986.
3. M.V.Joshi, Dies for Plastic Extrusion Macmillan India Ltd. First Publication1984.
4. Laszlo Sors and Imre Balazs, Design of Plastics Moulds and Dies, Elsevier, 1989.

Reference Books:

1. J.Harry Dubois, Plastics Mold Engineering Handbook Wayne.I.Pribble Publisher, Nergi Bossi.Spa, 1987.
2. Herbert Rees, Mold Engineering by Hanser Publishers, Munich Vienna, N.Y1995.
3. Gastrow, Unger.P, Injection Molds for Engineers, Hanser Publications, 2006.

e-Resources

1. www.youtubemoldflowanalysis.com
2. http://www.dswmould.com/injection-mold-die-tooling.html
3. http://www.wisetool.com/tdesign-1.html
4. http://webhotel2.tut.fi/projects/caeds/tekstit/mould/mould_starndard_parts.pdf
5. https://www.youtube.com/watch?v=3ojMlirLZNw
6. https://www.youtube.com/watch?v=-ewx94zGB5o

SUGGESTED LIST OF STUDENT ACTIVITIES

Note: the following activities or similar activities for assessing CIE (IA) for 5 marks (Any one)

1. Each student should do any one of the following type activity or any other similar activity related to the course and before conduction, get it approved from concerned Teacher and HOD.
2. Each student should conduct different activity and no repeating should occur

1. To write in brief about different molding techniques other than prescribed in the syllabus and ,Submit hand written report of 500 words
2. Visit polymer industry and collect information about molding machines, moulds and dies and Submit hand written report of 500 words
3. Visit any designing of the polymer or metal component and Compare the polymer products and software used in particular industry. Submit hand written report of 500 words.
4. Compare different software used in our institution and write the application ,advantages and disadvantages of the same. And write note report of 500 words.
5. Motivate student to take case study on particular activity to inculcate self and continues learning, Submit hand written report of 500 words on selected case study

Course Delivery:

The Course will be delivered through lectures, classroom interaction, animations, group discussion, exercises and assignments

Note to IA verifier:

The following documents to be verified by CIE verifier at the end of semester

1. Blue books ( 20 marks)
2. Student suggested activities report for 5 marks

Student feedback on course regarding Effectiveness of Delivery of instructions & Assessment Methods

Model Question Paper:

(CIE.

1. Discuss the design of ribs, bosses & rim polymer (5) OR
2. List out gating systems (5)
1. Explain the positioning of gates & runners (5) OR
2. Distinguish warpage and parting line (5)
3. Classify the feed system and balancing of runners (5)
4. Illustrate design of mould cooling systems.(5)

Model Question Paper:

PART-A 6×5=30 marks

1. Discus the following term.
1. Cavity
2. Core
2. List the different types of gate, explain any one type with sketch
3. Explain the balancing of runner
4. Differentiate between compression mould and transfer mould design
5. Describe the following term
1. Bulk factor
2. Shrinkage
6. Design and construction features of parision die
7. Write a brief note on parision programming
8. List a various types of profile dies.
9. Draw a neat diagram of sheet die and name its parts.

PART-B 7×10=70 marks

1. Explain with a neat diagram of Parting Line construction
2. Explain with a neat diagram Wrinkle gate
3. Discus the design of cooling system in the injection mol with a neat sketch
4. Explain with a neat diagram of positive type of mould and also write down their advantages
5. Explain design of pot type transfer mould
6. List five advantages ,disadvantages and application of flash mould
7. Explain with a neat diagram of pipe die
8. Discus the following term
1. Mandrel
2. Torpedo
9. Describe the production method of blown film process with a neat diagram
10. Explain the production line of monofilament process and also their applications.

For detail syllabus of all other subjects of BE Polymer, C15 scheme do visit Polymer 4th Sem syllabus for C15 scheme.

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