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Download GTU BE/B.Tech 2017 Winter 8th Sem New 2182307 Advanced Plastic Mould Design Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2017 Winter 8th Sem New 2182307 Advanced Plastic Mould Design Previous Question Paper

This post was last modified on 20 February 2020

This download link is referred from the post: GTU BE/B.Tech 2017 Winter Question Papers || Gujarat Technological University


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Subject Code: 2182307

GUJARAT TECHNOLOGICAL UNIVERSITY

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BE - SEMESTER-VIII (NEW) EXAMINATION — WINTER 2017

Subject Name: Advanced Plastic Mould Design

Time: 02:30 PM TO 05:30 PM

Instructions:

  1. Attempt all questions.
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  3. Make suitable assumptions wherever necessary.
  4. Figures to the right indicate full marks.
Q.1 (a) Define Split mould. Why do we use split moulds? 03
(b) Discuss cooling of shallow inserts 04
(c) Design a fully automatic injection mould for the product shown in fig[a] 07
Q.2 (a) Define : waterways, locking heel, O ring 03
(b) Discuss stripping of internal threads design 04
(c) Determine the pitch and the pitch circle diameter for the interconnecting groove design , given the following information: Diameter of insert : 30mm ; Gap between inlet and outlet grooves : 4mm ; number of impressions : 14 ; depth of groove : Smm. 07
OR
(c) For the product shown in fig[a], draw a fully automatic injection machine mould. Use graph paper 07
Q.3 (a) Fill in the blanks:
a. core cooling is preferred if we have deep cores.
b. Sprue puller is preferred for nylons

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c. Material of O ring is
03
(b) Write C program for shot capacity 04
(c) Discuss various transmission systems for unscrewing moulds with sketches 07
OR
(c) What is shrinkage? Why should mould be designed considering shrinkage? 07
Q4 (a) Write a C program for cooling period of Cycle 03
(b) What is a sprue puller? Discuss various types with applications 04
(c) Write MOC for split cavity , O ring, locking heel 07
Q4 (a) Write C program for no.of impressions 03
(b) Discuss Heat Pipes 04
(c) OR
Differentiate between finger cam and dog leg cam for Split moulds
07
Q.5 (a) Where do we use a angled lift split mould? 03
(b) Discuss in detail about cooling of DEEP cores 04
(c) Core withdrawal systems using hydraulics 07
Q.5 (a) Draw cooling layout for cavity in case of round caps , impression mould. 03
(b) Discuss in detail Collapsible cores 04
(c) List various methods of actuation of Split mould and discuss any one in detail 07
(a) Discuss Core withdrawal system using Rack & Pinion 03
(b) Discuss in detail about Heat Pipes 04

Date: 07/11/2017

Total Marks: 70


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This download link is referred from the post: GTU BE/B.Tech 2017 Winter Question Papers || Gujarat Technological University