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Design Of Cooling System For Two Plate Mould

Kong, Ching Yee (2017) Design Of Cooling System For Two Plate Mould. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Productivity is an important aspect of injection moulding process.The cooling stage is a critical stage in such process,and has a direct influence on the mould productivity,as well as on the quality of the moulded parts.A substantial portion of the total moulding cycle (e.g., as much as 80%) could be required for cooling. Therefore,for high-production moulds,it is imperative that the cooling time is reduced to a minimum.This project aims to design the cooling channel for the core and cavity inserts for reducing cycle time and improving part quality.Cooling is related to the heat transfer in the mould,thus heat flow process inside mould plate need to know well for designing suitable cooling channel layout for the inserts.The mould insert CAD model is draw by Solidworks, where the draft analysis is analysed before “Mold Tools” is used to created the mould.Cooling effect is analysed using Moldflow software for existing product of two plate mould.The cooling channel within larger diameter can shorter the time to reach ejection temperature,but will reduced the Reynolds number.Based on the analysis studied result, the multiple series layout is the best cooling channel system recommended for this type of mould.This type of cooling system layout design are able to generate 47,236 of Reynolds number higher than parallel layout design which is 4250 only.Multiple series layout design consumes longer time which about 15.10 sec or 0.6 sec higher than parallel layout design to reach the eject temperature.Followed by process parameters optimization,the time taken to reach eject temperature can be improved from 15.10 sec to 13.40 sec or 11% for multiple series cooling layout design.

Item Type: Monograph (Project Report)
Uncontrolled Keywords: Injection molding of plastics.
Subjects: T Technology > T Technology (General)
T Technology > TP Chemical technology
Divisions: Library > Projek Sarjana Muda > FTK
Depositing User: Mohd. Nazir Taib
Date Deposited: 21 Dec 2018 08:17
Last Modified: 21 Dec 2018 08:17

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