Analisis Kekuatan Velg Cast Wheel Sepeda Motor Dengan Perangkat Lunak Berbasis Metode Elemen Hingga

Cast wheel on a motor cycle is a structure from a tire that able to hold force from the weight of a vehicle andpassengers. In this research is analyze effect of spoke quantity on a cast wheel rims of a motor cycle, stress anddeformation that actually happen on cast wheel can be know by using the help of a mathematical software thatusing finite element method. Local motor cycle cast wheel rims industry is usually using trial and error whendeveloping their products (Zuliantonil, 2007). Trial and error when developing a motor cycle cast wheel rims is amethod that against with principal of sustainable product design. To make design and testing easy, mathematicalsoftware based by finite element method is used to analyze structure of cast wheel rims. In this research isachieved maximum stress that occur on cast wheel that using three rims is 2.1284e+7 N/m and the maximumdeformation is 0.00020485 m, while maximum stress that occur on cast wheel that using five rims is 2.3171e+7N/m2 and the maximum deformation 0.00013528 m. Three rims cast wheel is a design that can represent the bestdesign with principal efficiency mass products productivity, because can cut material cost in a product withoutrule out the esthetics value and safety aspects for consumer.Keywords: cast whee velg l, static structural analysis, finite element method.Cast wheel pada sepeda motor adalah kerangka dari sebuah ban yang menahan gaya dari berat kendaraan danpenumpang. Dalam penelitian dilakukan analisis pengaruh jumlah spoke pada velg cast wheel sepeda motor,tegangan dan deformasi yang terjadi pada cast wheel dapat diketahui dengan mengggunakan bantuanmathematical software yang berbasis finite element method.. Industri velg cast wheel sepeda motor lokal lebihbanyak menggunakan trial and error dalam pengembangan desain produknya (Zuliantonil, 2007). Cara trial anderror dalam pengembangan motor cycle cast wheel adalah cara yang bertentangan dengan prinsip-prinsipsustainable product design. Untuk memudahkan proses desain dan pengujian, digunakan mathematical softwareyang berbasis finite element method untuk menganalisa struktur motor cycle cast wheel. Pada penelitian ini telahdidapatkan tegangan maksimum yang terjadi pada cast wheel tiga spoke sebesar 2