Parameter setting level optimal kekasaran permukaan hasil pembubutan pada mesin bubut dengan material stainless steel 304

Bambang Margono; Edy Suryono; Endra Dwi Cahyol

doi:10.54297/sjme.v4i1.1238

Bambang Margono Sekolah Tinggi Teknologi Warga Surakarta
Edy Suryono Sekolah Tinggi Teknologi Warga Surakarta
Endra Dwi Cahyol Sekolah Tinggi Teknologi Warga Surakarta

DOI: https://doi.org/10.54297/sjme.v4i1.1238

Keywords: insert karbida ZCC.CT, kekasaran permukaan, stainless steel 304

Abstract

Penelitian ini menerapkan metode Taguchi untuk menentukan pengaturan parameter optimal dalam menghasilkan kekasaran permukaan terbaik pada proses pembubutan material stainless steel 304. Proses pemesinan dilakukan menggunakan mesin bubut semi otomatis, dengan pahat insert karbida merek ZCC.CT sebagai alat potong. Parameter pemesinan yang divariasikan meliputi kecepatan spindel, kecepatan pemakanan, kedalaman pemakanan, dan jenis cairan pendingin. Kombinasi keempat parameter tersebut disusun menggunakan matriks ortogonal L9, kemudian dianalisis menggunakan metode Analysis of Variance (ANOVA) dan rasio signal-to-noise (S/N) untuk menentukan parameter yang paling berpengaruh serta kombinasi optimalnya. Hasil analisis menunjukkan bahwa kecepatan pemakanan dan kedalaman pemakanan merupakan faktor yang paling signifikan memengaruhi kekasaran permukaan pada stainless steel 304. Parameter optimal untuk menghasilkan kualitas permukaan terbaik diperoleh pada kecepatan spindel 660 rpm, kecepatan pemakanan 0,12 mm/rev, kedalaman pemakanan 0,8 mm, dan penggunaan pendingin kering/udara.

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