Designing Of Extrusion Dies
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Designing Of Extrusion Dies Syllabus — Unit-wise Content
The official GTU curriculum for Designing Of Extrusion Dies (subject code 3372303) as prescribed for AI & ML · Semester 7 divides the course into 4 units, covering 39 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 (3372303)Unit 1 POLYMER MELT RHEOLOGY 1.a Understand the terms related with rheology 1.b Identify various types of flow
- 1.1. Basic Definitions: shear, shear stress, shear rate & viscosity
- 1.2. Effect of shear stress and shear rate on viscosity of melt
- 1.3. Velocity profiles of Newtonian and Non- Newtonian fluids
- 1.4. Types of flow
- 1.5. Visco-elasticity, viscous flow and elastic flow
Unit 2 BASICS OF DIE DESIGN
- 2. a Identify Factors for die design.
- 2. b Analyze die design factors
- 2.1. Factors affecting die design
- 2.2. General die design rules
- 2.3. Materials for extrusion dies
- 2.4. Equation for output of Newtonian fluid through tubular cross section
- 2.5. Land length and its importance in die design
- 2.6. Die geometry
- 2.7. Die restriction methods and its effect on melt flow
- 2.8. Die streamlining methods
- 2.9. Melt fracture phenomenon
- 2.10. Die-swell and its effect on extrudate
Unit 3 DIE ADAPTOR, BREAKER PLATE & SCREEN PACK 3.a Understand die adaptor design 3.b Select proper adaptor
- 3.1. Significance of die adaptor
- 3.2. Position of die adaptor and its fitting methods
- 3.3. Factors to be considered for adaptor design Screen Pack & Breaker Plate
- 3.4. Position and functions of screen pack and breaker plate
- 3.5. Various breaker plate designs
- 3.6. Factors for correct breaker plate assembly
Unit 4 TYPES OF EXTRUSION DIES 4.a Understand constructional features of various dies 4.b Analyze various dies according to shape of
- 4.1. Types of various extrusion dies with respect to melt flow direction
- 4.2. Straight through, crosshead, offset dies and its applications Flat and Tubular Film Dies
- 4.3. Tubular (blown) film dies – side fed & center fed dies
- 4.4. Constructional features of tubular dies
- 4.5. Comparison of side fed & centre fed tubular Designing of Extrusion Dies Course Code: 3372303 3 Unit Major Learning Outcomes Topics and Sub-topics dies
- 4.6. Constructional features of flat film die
- 4.7. Multilayer film die and its features
- 4.8. Compare feed block and multi-manifold multilayer dies Wire Coating Die
- 4.9. Pressure and tubing die
- 4.10. Constructional features of wire coating die and functions of various components Pipe & Tube Die
- 4.11. Constructional features of tube die
- 4.12. Construction features of straight through and offset pipe die
- 4.13. Significance of internal and external sizing calibrators Sheet Dies
- 4.14. Constructional features of coat hanger sheet die
- 4.15. Fish tail die constructional features and its applications Dies for Solid Sections
- 4.16. Dies for Rod, tape and profiles
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