Vol 4, No 2 (2019)

Design and Analysis of LPG Weighing Machine for Household Application

Abstract

Nowadays in India, everyone have Liquid Petroleum Gas (LPG) cylinders, which are used for cooking, heating, etc. LPG cylinder is made of low cast steel, which has more weight and it is difficult to handle by a person. LPG is filled with high pressure in the cylinder. The user cannot predict how much LPG left inside cylinder so as to order for a new LPG cylinder. This paper is focusing on developing a weighing machine which will be used to carry the cylinder easily. This will enable the user to know the weight of LPG cylinder consequently the amount of LPG is present inside the cylinder. The customer voice data compiled from the survey and plotted in the quality function deployment (QFD) chart to drive the technical voice. The concept were modeled in Catia V5 R21, Solid works 2015 and rendered in Key shot 5 tools. Final concept has been selected by weighted ranking method.

Next step was to create block diagram of product and understand function of each component and make the interface of component with one another. After understanding the interface between components parts were modelled and assembled in Catia V5 R20 and rendered in Key shot 5 to realize actual product how it looks. Further analyzed each components in Abaqus and results were found to be safe, detail drawings of each part were generated. After that fabricated load cell and tested in NI Lab view 2015, calibrated the load cell and took the results of load cell.

Keywords: LPG, cylinder weight, QFD.

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