Plastic Manufacturing Technology — Winter 2019

Define Plastics Processing Techniques and write down selection criteria for choosing a particular processing method?

Explain Melting & Solidification behavior of polymer

What are the process parameters merits and de-merits of Thermoset Injection moulding machine.

Define:1) Shot Capacity, 2) Clamping Force, 3) Injection pressure

Write down Cycle time process variables & its effects on moulding quality

Explain Transfer Molding with merits and demerits

Explain Influence of process variables such as temperature, pressure, part size & configuration on quality and cycle time of Compression moulding

Write a short note on Plunger transfer moulding

Differentiate between single screw extruder and Twin screw extruder

Classify the types of screw used in extrusion and explain any one in details with neat sketch.

Write a short note on screw transfer moulding

Write down merit and de-merit of Twin screw extruder

Classify the types of dies used in extrusion and explain any one in details with neat sketch.

Write a short note on Blown film

Write short note on multilayer blow moulding process

Write down the Trouble shooting in blow moulding with remedies

Write a short note on Cast film

Differentiate between extrusion blow moulding process & injection blow moulding process.

Explain parision programming.

Classify the types blow moulding machine

Discuss Matched die forming in detail

Explain pressure forming process with neat sketch

Write down design factors affecting blow mould product

Discuss in drape Forming in detail

Explain plug assist thermoforming process with Advantage, Disadvantage & applications.