Plastic Extrusion Technology
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Follow on Instagram for UpdatesPlastic Extrusion Technology Syllabus — Unit-wise Content
The official GTU curriculum for Plastic Extrusion Technology (subject code BE05023021) as prescribed for Plastic · Semester 5 divides the course into 7 units, covering 28 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 (BE05023021)Unit 1 Introduction
- Basic principle of Extrusion
- Extrusion techniques like Ram Extrusion
- Wet Extrusion
- Extrusion Pump and spinneret extrusion
- Dry extrusion
- Terminologies of extruder and extruder machine
- Drag flow
- Pressure flow
- Leak flow in extruder
Unit 2 Constructional features of screw Extruder
- Extruder Screws Barrel and feed throat Feed Hopper Grooved Barrel Technology Heating & Cooling systems
- Thrust bearing assembly Die assembly: Breaker plate
- screen and screen changers Extruder drives
- Material Selection Criteria
- Melting Mechanism
Unit 3 Twin screw extruder
- Twin vs. single screw extruder
- Intermeshing (Co- rotating and counter-rotating) and non intermeshing twin screw extruders
Unit 4 Screw design for extruder
- Standard extruder screw
- Modifications of standard extrusion screw
- Devolatizing Extruder screws- Conventional Vented extruder screw & multivent extruder screw
- cascade extruder and venting through screw
- Multi-flighted extruder screw
- Mixing screws
Unit 5 Extrusion lines
- Pipe and tube Wire coating and Cable coating Sheet and film (Tubular and Flat) Monofilaments Profile extrusion Palletizing Coating Co extrusion BIS Standard- IS 4984: Polyethylene (PE) Pipes for Water Supply:
Unit 6 Dies for extruder
- Typical extrusion dies-Straight through
- cross head dies and offset dies
- Wire covering cross head die Dies for tubular film
- Flat film dies Sheet dies Pipe and Tube dies Dies for solid sections Coextrusion dies
Unit 7 Trouble shooting extruders
- its causes and remedies
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