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All Journal Majalah Ilmiah MOMENTUM STEAM Engineering : Journal of Science, Technology, Education And Mechanical Engineering METAL : Jurnal Sistem Mekanik dan Termal Industrial Research Workshop and National Seminar
Rudy Yuni Widiatmoko
Jurusan Teknik Mesin Politeknik Negeri Bandung
Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Other

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Perancangan dan Perencanaan Mesin Pemipih Emping Jagung Skala Industri Gilang Gerry Garnida; Rudy Yuni Widiatmoko; Syahrul Ariq Ismail; Donny Firli Ardiawan; Nuha Desi Anggraeni; Budiana Ruslan
METAL: Jurnal Sistem Mekanik dan Termal Vol 4, No 2 (2020): Jurnal Sistem Mekanik dan Termal (METAL)
Publisher : Department of Mechanical Engineering, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1324.946 KB) | DOI: 10.25077/metal.4.2.82-86.2020

Abstract

UKM XYZ is a corn chips processing business that still uses the traditional method which requires a lot of time and effort. From this problem, the idea emerged to design a corn chip flattening machine which aims to speed up production time and reduce the energy spent processing corn chips. The research stage consisted of the problem identification stage, the goal-setting stage, the drafting stage, and the planning stage. The EOQ Economic Order Quantity method is used to determine the forecast for raw material requirements, the forecasting result is 11.7408 kg. The corn sheller machine is designed to have a capacity of 80 kg/hour, using a 120-watt electric motor, which is connected using a pulley and a belt to 2 axles with a diameter of 30 mm with a length of 620 mm and 570 mm in order to meet the needs of UKM XYZ. On the shaft, a gear is attached to cause rotation of the 2 axles in opposite directions. The piping uses 2 rollers with a diameter of 100 mm and a length of 400 mm. Component materials that have contact with corn use AISI 304 material because this material has high tensile strength and is categorized as a standard material for processing food.
Perancangan Mesin Gerinda Potong Multiguna pada Aplikasi Pemotongan Baja Profil Dengan Variasi Sudut Potong 15-90 Derajat Abdurrahman A. S.; Rudy Yuni Widiatmoko
Prosiding Industrial Research Workshop and National Seminar Vol 11 No 1 (2020): Prosiding 11th Industrial Research Workshop and National Seminar (IRWNS)
Publisher : Politeknik Negeri Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1345.239 KB) | DOI: 10.35313/irwns.v11i1.2036

Abstract

Mesin potong yang tersedia dipasaran umumnya hanya mampu memotong baja profil (benda kerja) dengan sudut 45-90o. Adapun baja profil yang dipotong selain dengan sudut 45-90o seperti pemotongan dengan sudut 15o umumnya dipotong menggunakan bantuan alat tambahan/fixture seperti halnya di CV Karya Hidup Sentosa bagian Sheetmetal. Penggunaan fixture pada pemotongan sudut ini akan menjadi tidak efektif jika terdapat banyak variasi sudut. Kemampuan mesin gerinda potong yang hanya dapat memotong sampai dengan 45-90o ini disebabkan oleh jarak rahang pencekam yang terbatas. Penelitian ini bertujuan untuk merekayasa sistem pencekam sehingga bisa compatible dengan pemotongan sudut 15-90o menggunakan pendekatan perancangan
Perancangan Mesin Pembuat Keripik Pangsit dengan Kapasitas 25 Kg/Jam di UMKM Pangsit Echo Bandung Yuda Mauluddin; Rudy Yuni Widiatmoko
Prosiding Industrial Research Workshop and National Seminar Vol 12 (2021): Prosiding 12th Industrial Research Workshop and National Seminar (IRWNS)
Publisher : Politeknik Negeri Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (675.184 KB)

Abstract

Perancangan Mesin Pembuat Keripik Pangsit dengan Kapasitas 25 Kg/Jam di UMKM Pangsit Echo Bandung
PENGARUH VARIASI TEKANAN PENGEPRESAN DAN KOMPOSISI PEREKAT TERHADAP KARAKTERISTIK BRIKET ARANG ECENG GONDOK (EICHHORNIA CRASSIPES) Stefi Cantara; Rudy Yuni Widiatmoko
Prosiding Industrial Research Workshop and National Seminar Vol 12 (2021): Prosiding 12th Industrial Research Workshop and National Seminar (IRWNS)
Publisher : Politeknik Negeri Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (289.467 KB)

Abstract

PENGARUH VARIASI TEKANAN PENGEPRESAN DAN KOMPOSISI PEREKAT TERHADAP KARAKTERISTIK BRIKET ARANG ECENG GONDOK (EICHHORNIA CRASSIPES)
OPTIMASI PARAMETER PEMOTONGAN CNC WET MILLING TERHADAP KEKASARAN PERMUKAAN STAINLESS STEEL AISI 304 Deni Mulyana; Ilham Azmy; Alvaro Gabrian; Rudy Yuni Widiatmoko; Petrus Londa
Steam Engineering Vol. 4 No. 1 (2022): STEAM Engineering, Vol. 4, No. 1, September 2022
Publisher : Program Studi Pendidikan Teknik Mesin, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (594.069 KB) | DOI: 10.37304/jptm.v4i1.5269

Abstract

Optimization of CNC wet milling cutting parameters for stainless steel AISI 304 was successfully attempted by using Taguchi method (S/N ratio and ANOVA). L9 orthogonal array is utilized for designing the experiments with 3 levels of spindle speeds and feed rates with an increment depth of cut. The effect of cutting parameters on surface roughness was examined. According to S/N ratio’s response table, the result obtained for spindle speed fervently indicates that spindle speed is the most pivotal factor for impacting the surface roughness than feed rate for stainless steel AISI 304. ANOVA results depicted that the contribution percentage of spindle speed for surface roughness is higher than feed. Optimum values of cutting parameters were endowed at a spindle speed of 3184 rpm and a feed rate of 1528,4 mm/min. The experimental values at optimum cutting condition were compared with predicted values and it reveals a significant congruity with the experimental results with a low error percentage. Therefore, this experiment aims to develop the productivity and quality of CNC milling operations for stainless steel AISI 304. In addition, number of studies for cutting parameter optimization stainless steel AISI 304 was not barely done yet. Hereafter, more investigations still needed to optimize the cutting parameters of this stainless steel AISI 304 for various machining operations specifically on CNC milling process.
Pengaruh Parameter Pemotongan Proses CNC Wet Milling Stainless Steel AISI 316 Terhadap Kekasaran Permukaan Ilham Azmy; Deni Mulyana; Alvaro Gabrian; Rudy Yuni Widiatmoko; Petrus Londa
JURNAL ILMIAH MOMENTUM Vol 18, No 2 (2022)
Publisher : Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36499/jim.v18i2.7134

Abstract

Proses pemesinan CNC wet milling pada material stainless steel AISI 316 dengan beberapa parameter pemotongan telah berhasil dilakukan dalam penelitian ini. Analisis optimasi parameter pemotongan menggunakan metode Taguchi dengan teknik perhitungan S/N ratio dan ANOVA. Untuk merancang proses eksperimentasi CNC wet milling dengan tiga parameter pemotongan yang bervariasi, maka digunakan teknik L9 orthogonal array. Dari tabel S/N ratio yang telah dianalisis, maka didapatkan bahwa kecepatan pemotongan (feed rate) menjadi faktor yang paling berpengaruh terhadap perubahan kekasaran permukaan bila dibandingkan dengan parameter kecepatan spindel dan kedalaman pemotongan pada material stainless steel AISI 316. Disisi lain, hasil pengolahan data ANOVA menunjukkan bahwa persentase kontribusi spindle speed lebih berpengaruh terhadap kekasaran permukaan bila dibandingkan feed rate. Paramater pemotongan optimal yang ditunjukkan dari spindle speed sebesar 3184 rpm, feed rate sebesar 541,4 mm/min dan depth of cut sebesar 0,3 mm. Parameter pemotongan optimal yang merupakan hasil proses eksperimen ini telah dibandingkan dengan nilai prediksi yang selanjutnya memperlihatkan korelasi yang berkaitan dengan nilai error yang relatif sangat kecil. Maka dari itu, penelitian ini memberikan sumbangsih pengembangan yang signifikan pada peningkatan machineability, kualitas, dan produktifitas proses pemesinan CNC milling untuk material stainless steel AISI 316.
Co-Authors Abdurrahman A. S. Alvaro Gabrian Anggraeni, Nuha Desi Deni Mulyana Donny Firli Ardiawan Gilang Gerry Garnida Ilham Azmy Petrus Londa Ruslan, Budiana Stefi Cantara Syahrul Ariq Ismail Yuda Mauluddin