PT3412: Plastics Processing Lab syllabus for Plastics 2021 regulation

Plastics Processing Lab detailed syllabus for Plastics Technology (Plastics) for 2021 regulation curriculum has been taken from the Anna University official website and presented for the Plastics students. For course code, course name, number of credits for a course and other scheme related information, do visit full semester subjects post given below.

For Plastics Technology 4th Sem scheme and its subjects, do visit Plastics 4th Sem 2021 regulation scheme. The detailed syllabus of plastics processing lab is as follows.

Course Objectives:

• To practice the students in different types of moulding machines.
• To practice the students in different types of Semi automatic moulding machines.
• To practice the students in different types of Automatic moulding machines.

List of Exercises:

1. Hand operated Injection Moulding Machine
   1. Study of Machine in Idle-Run Observation (IRO), Parts & functions, operating principle, Free sketch of Machineparts eg. Nozzle, Torpedo, Hopper, Rack & Pinion Barrel etc., shot capacity definition
   2. Operation practice to produce moulding on Different and injection moulds. Recording the observation and results in practical record books.
2. Injection Moulding Semi Automatic
   1. Study of Semi Automatic Injection Moulding M/cs of all types in IRO. Comparative study of Pneumatic type & Hydraulic type of M/cs, Operating Principle of M/cs. Line diagrams of M/cs with nomenclature of parts, M/cs specifications.
   2. Operation of Pneumatic & Hydraulic type of Semi automatic Injection moulding M/cs, to produce components in different moulds. Cycle-time analysis, observations of Process- Parameters & Procedure to be recorded
3. Extrusion Processes on Extruders
   1. Study of Extruders in IRO, Free sketch of machines, their parts and parts-function, List of products manufactured by Extrusion-Process. Study of different types of extrusion process.
   2. Operation-Practice by Trainee on setting up of Process parameter to produce Blown-Film on Film-plant, observations on extruder output, size of film produced and technical specifications of machines to be recorded
4. Compression moulding -Hand Operated
   1. Study of Hand compression M/c in IRO Free sketch of Parts & study of part-function, comparison of compression moulding M/c with Injection Moulding M/c. Compression moulding processes.
   2. Operating Principle of Hand Compression Press, mould setting procedure & parameter setting, operation practice on different compression moulds, M/c specification observations and recording
5. Blow Moulding and Recording Hand Operated
   1. Study of Hand Blow Moulding M/cs, Free-sketch of M/c with parts & study of part-function, Specification of M/c, Study of Parison-die with sketch.
   2. Die-centering practice by Trainees, operation of Hand Blow Machines, to produce components observations, cycle time analysis Procedure of operation and observations.
6. Scrap Grinding
   1. M/c Study in IRO, specification of M/c, study of parts & function, Line Diagram of M/c.
   2. Operation-practice with different materials and output study in Kg/hour for different materials.
7. Injection Moulding M/c.- Automatic Study of M/c Parts & function, Study of clamping systems in M/cs, Technical spec. of M/c, study of process sequence in Machine, Study & definitions of terms related to M/c operation e.g. M/c Day light, Locating -Ring Dimensions, ejector-stroke, Tie-Bar distance, M/c Platen sizes & mould clamping arrangements. Definitions of all Processing Parameters & study of controls in M/cs.
8. Compression & Transfer Moulding- Semi Automatic Technical specification of M/c, Mould clamping on M/c, Parameter setting, operation-practice on different compression & Transfer Moulds, Cycle-time analysis, observation & Procedure of start-up & shut down of M/c.
9. Blow-Moulding Semi Automatic Technical specification of M/c, Mould clamping on M/c, operation Practice with different moulds, Familiarisation with control-switches/ valves on the M/c, cycle-time analysis & procedure of operation of M/c.
10. Introduction to Maintenance Basic knowledge of Hydraulic & Pneumatic systems, Electrical system, Definition of terms- Hydraulic fluid, viscosity Directional Valves, Resistance, Current, Voltage, Power, Hydraulic Pumps -Types & function, electrical heaters, thermocouples and temp control parameters and timers, electrical Motors – Types & fn.
11. Introduction to Moulds, Tool Room M/ c & Drawing Practice Study of Different Types of Moulds & its Parts and function, free hand drawing practice, exposure to tool room machines.

List of Equipments:

MACHINERY FOR BATCH OF 30 STUDENTS

1. Hand operated Injection Moulding Machine 01
2. Injection Moulding Semi-Automatic 01
3. Extrusion Processes on Extruders 01
4. Compression moulding-Hand Operated 01
5. Blow Moulding and recording – Hand Operated 01
6. Scrap Grinding 01
7. Injection Moulding M/c.- Automatic 01
8. Compression& Transfer Moulding- Semi Automatic 01
9. Blow-Moulding Semi-Automatic 01
10. Introduction to Maintenance
11. Introduction to Moulds, Tool Room M/c &Drawing Practice

Course Outcomes:

• Upon completing this practical course, the student will have hands on experience on different types of hand operated moulding machines.
• The student will have hands on experience on different types of semi automatic moulding machines
• The student will have hands on experience on different types of fully automatic moulding machines

For detailed syllabus of all other subjects of Plastics Technology, 2021 regulation curriculum do visit Plastics 4th Sem subject syllabuses for 2021 regulation.

For all Plastics Technology results, visit Anna University Plastics all semester results direct link.