Design Fundamentals of Moulds Government Polytechnic 2010 Question Paper

Exam Board: Government Polytechnic
Question Paper Course: Diploma Hospital Management
Subject of Question Paper: Design Fundamentals of Moulds
Time allotted: 3 Hours
Max. Marks: 70
Year of the exam paper: 2010
Question Paper Format: Text

Q.1 (a) Design and draw sectional elevation and plan view of hand injection mold for a hollow cylinder type product. Assume suitable dimensions. 14

Q.2 (a) Define parting surface. Sketch any two types of parting surface. 07
(b) Draw socket headed screw of M-10 size with necessary dimensions. 07
OR
(b) Differentiate integer method and insert-bolster method. 07

Q.3 (a) Explain positioning of guide pin with neat sketch. 07
(b) Explain positioning of gate with neat sketches. 07
OR
Q.3 (a) Explain subsurface gate or sprue gate with neat sketch. 07
(b) Explain balancing of runner with neat sketch. 07

Q.4 (a) Draw a neat sketch of ejector plate assembly. 07
(b) Explain stripper plate ejection with neat sketch. 07
OR
Q. 4 (a) Draw a neat sketch of sleeve ejection technique. 07
(b) Sketch any four ejection elements. 07

Q.5 (a) Give function of any seven elements of two plate machine injection mold. 07
(b) Sketch any two designs for cooling core inserts. 07
OR
Q.5 (a) Give material of construction of any seven elements of two plate machine injection mold. 07
(b) Sketch any two design for cooling integer type core plate. 07 

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