Abstrak

  • November 2019
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ABSTRAK

Kerusi mempunyai kegunaannya yang tersendiri mengikut kesesuaian yang ditetapkan. Kerusi merupakan perabot untuk duduk, menyandarkan belakang, meletakkan tangan dan secara amnya digunakan oleh seorang sahaja. Kajian ini bertujuan untuk menyiasat kegagalan yang berlaku pada struktur kerusi kegunaan pelajar di UTeM dan mencadangkan penambahbaikan. Kajian meliputi struktur kerusi kegunaan pelajar di UTeM dengan mengenalpasti bahagian yang kritikal pada kerusi apabila dikenakan beban, melakukan analisis kegagalan statik secara teori dan rangka kerusi dilukis menggunakan perisian SolidWorks 2007 serta melakukan analisis kegagalan statik dengan menggunakan perisian MSC NASTRAN/PATRAN. Ujikaji tegangan dan ujikaji lesu dijalankan bagi menganalisis kegagalan statik dan hayat lesu pada komponen kerusi yang berkaitan. Kajian mendapati dengan melakukan pengiraan statik secara teori, komponen yang paling kritikal adalah pada bahagian penyokong tengah kerusi.

ABSTRACT

Chair has its own uses depends on its suitability. Chair is a type of furniture to seat, lean on our back, rest our hand and generally used for a person only. The purpose of this project is to analyze failure upon student chair structure at UTeM and propose an improvement. This project focuses on student chair structure at UTeM by ensuring the critical point at the chair component after load is applied, analyze the static failure theoretically and the student chair frame is drawn by using SolidWorks 2007 Software and also analyze the static failure by using MSC NASTRAN/PATRAN. Tensile and fatigue test are done to interpret the static and fatigue life at the chair komponen. The analysis of static theory carried out mostly the critical point is at the centre support of the chair.

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