Dewi Marlina, Eko Pujiyanto dan Cucuk Nur Rosidi Keywords : Taguchi methods, optimum setting level and quality loss function. Jurusan Teknik Industri, Universitas Sebelas Maret, Surakarta Performa (2003) Vol. 2, No.1: 31- 39 32 Performa (2003) Vol. 2, No.1