Design improvement of the deflasher mechanism for blow molding machine

Suhaimee, Muhamed Emeer Shazreef (2019) Design improvement of the deflasher mechanism for blow molding machine. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The purpose of this project to remove the flash at the neck of the bottle 0.5L by using a unit cutting mechanism. The flash exists because of the excess pre-blown air into the form of cavity and plastic excessive will occur. Initially, the flash was removed manually by the technician with trimming the excess material. Therefore, the existence of this project will solve to eliminate the excess plastic with automation mechanism plus increase the amount of the product bottle. Fabricate the stainless steel material 1mm thickness to form a blade with different design outcome the result to eliminate the flash at the neck of the bottle. Based on the result, from the objective that to eliminate the flash at the neck of the bottle was achieved but in term of quality was unsatisfactory due to the trimming process. This is due to the design and material of the blade that unable to trimming the flash without defect at the neck of the bottle. As a conclusion, for the future work the cutting method be the in listing for recommendation to eliminate the flash at the neck of the bottle. Other than that, selecting material for making blade can improve the efficient to trimming the flash without any defect on the bottle. Finally, the size path of the deflasher can enlarge so that when the trimming process, the bottle easily can go through when the trimming process execute

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