Design, Development, And Fabrication Of Tyre Lug Wrench

Mohd Faiz, Abd Rahim (2007) Design, Development, And Fabrication Of Tyre Lug Wrench. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Most of the people in Malaysia have their own transportation to shift around. The most popular one is totally, car. With the improved volume of cars on road each day, it shows that that kind of transportation has becoming crucial and a must in Malaysia. With a statistic like that, then the idea to improve the lug wrench comes about. The new design of lug wrench has to be easy in usage, ergonomics, and can solve the common problems for the available lug wrench in the market. The design has to be compact, so it will answer the problem from the mostly nowadays lug wrench that is not very space saver. Lug wrench which is used to loosen or tighten the lug nuts on car’s rim is compulsory for every car’s owner in case of emergency. For that, some research and findings has to be done about lug wrench and the cars rim composition. The idea on having a reduced torque lug wrench based on the questionnaire provided. Most of car owner has facing their main problem on lug nuts that are too tight to be loosened. So, with a 3:1 ratio on its input/output rotation, it will at least reduce the torque three times less theoretically. The epicylic gearing used is suitable in having such a compact design. The prototype built will be used in trial to show its compatibility in all sizes of cars rim. Methods such as Design for Manufactured (DFM) and Design for Assembly (DFA) are used for mass-productions.

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