Plastics Process Analysis, Instrumentation, and Control
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Follow on Instagram for UpdatesPlastics Process Analysis, Instrumentation, and Control Syllabus — Unit-wise Content
The official GTU curriculum for Plastics Process Analysis, Instrumentation, and Control (subject code BE05023071) as prescribed for Plastic · Semester 5 divides the course into 5 units, covering 54 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 (BE05023071)Unit 1 Introduction
- Process control and its importance
- need for instrumentation
- need for controllers
- terminology [A] Measurements: Role of instruments
- block diagram of instrumentation system. [B] Pressure measurement: Pneumatic pressure transducers
- Mechanical Consideration
- Comparison of different transudes BIS Standard- IS 3624: Pressure and Vacuum Gauges — Specification [C] Temperature measurements: Methods of temp measurement
- Barrel temp Measurement
- Stock temp measurement
- Ultrasound transmission line. [D] Other measurements: Power measurement
- Rotational speed measurement
- Extrudate thickness
- Extrudate surface condition
Unit 2 Controllers
- • Temp controllers-analog & digital. • Power controllers. • Dual output controllers
- Time temp characteristics: • Thermal characteristics of systems. • Temp
- Tuning of the controller parameters: • Performance criteria. • Effect of PID parameters. • Pre tuned temp controllers. • Self tuning temp controllers
Unit 3 Injection molding process controls
- • Mould cycles –Machinery used-parts and functions-starts-up and shut down procedures-cylinder nozzles-press capacity projected area • On machine monitor• Temperature control of barrel and melt • PID in pre controller• Relating process control to process parameters • Adaptive ROM programmable• Simplified approach to undesirable process control• Process control techniques• Total injection molding proc
Unit 4 Extrusion molding process controls
- • Instrumentation requirements
- most important parameters Program Name: Engineering Level: Undergraduate Branch: Plastic Technology Subject Code: BE05023071 Subject Name: Plastics Process Analysis
- Instrumentation, and Control • General features of extruders viz. barrel
- types of screws
- drive mechanism
- heating and cooling systems
- • Pressure measurements: Importance of melt process
- different types of pressure transducers
- mechanical consideration
- comparison of different transducers • Temperature measurements: method of temp
- barrel temp. measurements
- stock temp measurements • Other measurements: Power measurements
- rotational speed
- Extrudate thickness
- Extrudate surface conditions • Temp
- Control: On Off Control
- Proportional control- controllers – time temp. characteristics – tuning of controller parameters • Total process control: True total extrusion process control
Unit 5 Blow molding process controls
- • Controls for blow molding • Machine controls: Temperature
- Placement of sensors
- Dual sensors • Control characteristics: On/off
- Proportional controls
- Automatic reset. • Types of sensors: Thermocouple
- Resistance temp. detectors (RTD)• Automatic tuning• RPM speed regulation Timing and sequencing • Process controls: Melt temp process control
- melt pressure
- melt pump
- parison programming
- parison length control
- product control
- weight control
- thickness controls
- Plant wide control and management • Screw and Plunger Systems – Cross head die design – Blow moulding machine features and operation including hydraulic and electrical control systems-faults
- causes and remedies• Parison programming
- blow mould construction
- cooling methods
- mould venting
- blow moulding of difficult articles like fuel tanks
- odd shaped containers with handles
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