What is the role of CNC Machines in mould fabrication
[3 marks]What are the principles of mould design?
[4 marks]What are the different types of materials used for different parts of the mould?
[7 marks]Why heat treatment of mould is necessary? Name 3- Heat treatment techniques.
[3 marks]Explain compression molding cycle with neat sketch
[4 marks]Explain the working principle of CNC-Lathe machine. How many working axis does a lathe machine posses.
[7 marks]Explain three plate mould with neat sketch
[7 marks]How mould heating can be achieved?
[3 marks]Explain sub-marine gate.
[4 marks]Explain pin-ejection system with neat sketch
[7 marks]Explain a. Ejector plate b. Retainer Plate c. Push back pin
[3 marks]Differentiate injection molding Vs Compression molding
[4 marks]Explain Dog-leg cam actuation system with neat sketch.
[7 marks]Explain Mould cooling?
[3 marks]What are the requirements of Runner?
[4 marks]Explain different types of runners and their efficiencies with neat sketches.
[7 marks]Explain pin-point & Tab gate with neat sketch
[3 marks]Explain blade-ejection system with neat sketch.
[4 marks]What is plastic extrusion? Explain the extrusion die construction principles.
[7 marks]Explain integer & Insert type of moulds.
[3 marks]Explain stripper & Valve ejection system with neat sketches.
[4 marks]Explain positive & Semi positive type of compression moulds with neat sketches
[7 marks]Name the process parameters of transfer mould.
[3 marks]What is gate? Why gate positioning is important?
[4 marks]Explain pot & plunger type of transfer mould with neat sketch.
[7 marks]