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All Journal Rotasi AUSTENIT Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin J Statistika: Jurnal Ilmiah Teori dan Aplikasi Statistika JISO : Journal of Industrial and Systems Optimization International Conference on Maritime Technology and Its Application
Karuniawan, Bayu Wiro
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Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Penerapan Metode Taguchi Dalam Optimasi Parameter Pada Proses Electrical Discharge Machining (EDM) Rachman, Farizi Rachman; Setiawan, Tri Andi; Karuniawan, Bayu Wiro; Maya, Risma Aris
J STATISTIKA: Jurnal Imiah Teori dan Aplikasi Statistika Vol 12 No 1 (2019): Jurnal Ilmiah Teori dan Aplikasi Statistika
Publisher : Fakultas Sains dan Teknologi Univ. PGRI Adi Buana Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (519.982 KB) | DOI: 10.36456/jstat.vol12.no1.a1991

Abstract

EDM is a non-conventional machining process with feeding material carried out by electric spark (spark) through a gap between the electrode and the workpiece containing liquid in the electric. The usefulness of the liquid is as a medium for rinsing the remnants of erosion material, electrodes and workpieces as electrical conductors. In the manufacturing industry, EDM is widely used for the manufacture of products that demand the quality of surface roughness resulting from smooth cutting and high precision. The Taguchi method is one method in experimental design that can be used to control product quality. This study considers 3 parameters, namely gap voltage, on time, and off time on the SKD-11 material as one of the 13 mm thick dies / dies. This study uses the Taguchi method to obtain optimal parameters with smaller criteria better. Based on the table above the highest voltage parameter gap at level 1 which is 30 volts, the parameters at the most agreed time at level 3 are 120 μs and the most difficult off time parameter to be reached at level 1 is 20 μs to roughness. EDM adalah suatu proses permesinan yang bersifat non konvensional dengan pemakanan material benda kerja yang dilakukan oleh loncatan bunga api listrik (spark) melalui celah antara elektroda dan benda kerja yang berisi cairan di elektrik. Kegunaan cairan tersebut adalah sebagai medium untuk flushing sisa-sisa partikel material hasil erosi,pendinginan elektroda dan benda kerja serta sebagai konduktor listrik. Dalam industri manufaktur, EDM banyak digunakan untuk pembuatan produk-produk yang menuntut kualitas kekasaran permukaan hasil pemotongan yang halus dan kepresisian yang tinggi. Metode Taguchi merupakan salah satu metode dalam desain eksperimen yang dapat digunakan untuk mengendalikan kualitas produk. Penelitian ini mempertimbangkan 3 parameter yaitu gap voltage, on time, dan off time pada pengerjaan material SKD-11 sebagai salah satu bahan pembuatan cetakan/dies dengan tebal 13 mm. Penelitian ini menggunakan metode Taguchi untuk mendapatkan parameter yang optimum dengan kriteria smaller is better. Berdasarkan tabel diatas parameter gap voltage paling berpengaruh pada level 1 yaitu 30 volt, parameter on time paling berpengaruh pada level 3 yaitu 120 µs dan parameter off time paling berpengaruh pada level 1 yaitu 20 µs terhadap kekasaran.
ANALISIS PENGARUH PARAMETER MESIN BUBUT KONVENSIONAL TERHADAP KESILINDRISAN PERMUKAAN BAJA ST 42 MENGGUNAKAN METODE BOX BEHNKEN DESIGN Sidi, Pranowo; Karuniawan, Bayu Wiro; Musharofah, Nadia
JISO : Journal of Industrial and Systems Optimization Vol. 6 No. 2 (2023): Desember 2023
Publisher : Universitas Maarif Hasyim Latif

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51804/jiso.v6i2.110-116

Abstract

The dimensional accuracy of the workpiece might be impacted by geometric variations that machines frequently experience. The geometric shape of the workpiece as a result of the machining process can be used to quantify machine quality and can take the form of cylindricality, smoothness, roundness, and other geometric shapes. The results of the workpiece surface's cylindricality will depend on machining parameters such spindel speed, feeding, and depth of cut. For the design of the research experiment and the data analysis, this study employs the Box Behnken Design in Response Surface Method that is figuring out the trial variation using 3 stages. The specimen used was ST 42 steel, and a DNMG 150404 carbide insert tool was used on a Pinacho L-1/260 conventional lathe machine to perform a total of 15 experimental modifications on the specimen. Furthermore, the cylindricity test was carried out using a dial indicator. The research results on the effect of parameters on surface cylindricity, namely engine speed with a Pvalue of 0.068, depth of feed with a Pvalue of 0.784, and feed speed with a Pvalue of 0.839, the three parameters were declared not to have a significant effect. The engine rotation parameter provides a contribution effect of 26.87%, the depth of cut is 0.52% and the feed speed is 0.28%. Keakuratan dimensi benda kerja mungkin dipengaruhi oleh variasi geometris yang sering dialami mesin. Bentuk geometris benda kerja sebagai hasil dari proses pemesinan dapat digunakan untuk mengukur kualitas mesin dan dapat mengambil bentuk silindris, kehalusan, kebulatan, dan bentuk geometris lainnya. Hasil kesilindrisan permukaan benda kerja akan tergantung pada parameter pemesinan seperti putaran mesin, kecepatan pemakanan, dan kedalaman pemakanan. Untuk desain percobaan penelitian dan analisis data, penelitian ini menggunakan Metode Response Surface Box Behnken Design yaitu mencari tahu variasi percobaan dengan menggunakan 3 tahap. Spesimen yang digunakan adalah baja ST 42, dan alat insert DNMG 150404 carbide digunakan pada mesin bubut konvensional Pinacho L-1/260 untuk melakukan total 15 modifikasi eksperimental pada spesimen. Selanjutnya dilakukan uji kesilindrisan dengan menggunakan dial indikator. Hasil penelitian tentang pengaruh parameter terhadap kesilindrisan permukaan yaitu putaran mesin dengan Pvalue 0,068, kedalaman pemakanan dengan Pvalue 0,784, dan kecepatan pemakanan dengan Pvalue 0,839, ketiga parameter tersebut dinyatakan tidak berpengaruh signifikan. Parameter putaran mesin memberikan efek kontribusi 26,87%, kedalaman umpan 0,52% dan kecepatan umpan 0,28%.
APPLICATION OF TAGUCHI METHOD IN OPTIMIZING INJECTION MOLDING PARAMETERS TO NETTO OF BIORING CONE CUP PRODUCTS Pramestiani, Ika; Karuniawan, Bayu Wiro; Rachman, Farizi
JISO : Journal of Industrial and Systems Optimization Vol. 6 No. 2 (2023): Desember 2023
Publisher : Universitas Maarif Hasyim Latif

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51804/jiso.v6i2.117-123

Abstract

Bioring Cone Cup products are produced by Sukodono molding industry with injection molding machine. However, at the beginning of production in getting the parameter value still uses a trial and error system, so this problem results in defects that cause the weight of the product is not in accordance with the agreement so that this product must be recycled again by spending a long time. With this problem, the company suffered losses because it had to pay compensation for production delays. So that research is needed that discusses the optimization of injection molding parameters on the net response of bioring cone cup products. This research uses the parameters of injection pressure, injection temperature, and cooling time. The method used is taguchi with signal to noise ratio criteria, namely smaller is better to determine the effect of factors and also the optimal parameters for the production process. From the experimental results, the optimal combination of variables is obtained, namely the injection pressure parameter at level 1 with a value of 80 bar, injection temperature at level 3 with a value of 230 , and cooling time at level 3 with a value of 0.5 seconds. Produk Bioring Cone Cup diproduksi oleh industri molding Sukodono dengan mesin injection molding. Namun pada awal produksi dalam mendapatkan nilai parameter masih menggunakan sistem trial and error, sehingga permasalahan ini mengakibatkan adanya cacat yang menyebabkan berat produk tidak sesuai kesepakatan sehingga produk ini harus didaur ulang kembali dengan menghabiskan waktu yang cukup lama. Dengan permasalahan tersebut, perusahaan ini mengalami kerugian dikarenakan harus membayar kompensasi keterlambatan produksi. Sehingga dibutuhkan penelitian yang membahas optimalisasi parameter injection molding terhadap respon netto produk bioring cone cup. Penelitian ini menggunakan parameter injection pressure, injection temperature, dan cooling time. Metode yang digunakan adalah taguchi dengan kriteria rasio signal to noise yaitu smaller is better untuk mengetahui pengaruh factor dan juga parameter yang optimal untuk proses produksi. Dari hasil eksperimen, didapatkan hasil kombinasi variabel yang optimal yaitu parameter injection pressure pada level 1 dengan nilai 80 bar, injection temperature pada level 3 dengan nilai 230 , dan cooling time pada level 3 dengan nilai 0,5 detik. 
Design of Bearing Housing JIG and Fixture for Machining Process in Vertical CNC Turning Machine Indrawan, Rizal; Uhaque, Salsabila Diya; Purnomo, Dhika Aditya; Hamzah, Fais; Karuniawan, Bayu Wiro
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 9, No 3 (2024): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55679/enthalpy.v9i3.49007

Abstract

Bearing housing merupakan salah satu produk yang diproduksi di PT. X, yang memiliki target produksi sebesar 150 pcs/bulan. PT. X adalah salah satu perusahaan manufaktur terbesar di indonesia yang bergerak di bidang pengecoran pengecoran investasi dan permesinan canggih. Proses pembubutan untuk rumah bearing memiliki beberapa kelemahan, yaitu membutuhkan lebih banyak mesin bubut CNC untuk memproses setiap bagian rumah bearing. Hal ini menyebabkan proses bongkar muat yang memakan waktu. Selain itu, ada kelemahan lain yang menyebabkan diameter yang tidak konsentris yang akan dianggap sebagai produk yang tidak baik atau ditolak. Mesin ini menggunakan fixture dan penjepit sebagai penghenti untuk membantu dalam pemrosesan produk pengecoran secara massal. Untuk membantu proses finishing produksi rumah bearing dengan cepat, maka dibuatlah alat bantu seperti jig dan fixture, sehingga dapat mempercepat proses pengerjaan produk dan mengurangi waktu pengerjaan. Desain jig dan fixture bearing housing menggunakan Autodesk Fusion 360. Penelitian ini menggunakan metode Ulrich untuk membantu proses perancangan dan pengembangan produk dengan membandingkan 3 konsep yang berbeda. ketiga konsep tersebut dipilih karena sesuai dengan kebutuhan biaya yang murah, perawatan yang mudah, pengoperasian yang mudah, dan produksi yang mudah. Kata kunci: Jig, Fixture, Jig dan Fixture, Bearing Housing, CNC Bubut Vertikal, Bubut, Metode Ulrich
Design and Fabrication of Jig and Fixture for Milling Operations in the Manufacturing Sector Indrawan, Rizal; Purnomo, Dhika Aditya; Bisono, Fipka; Karuniawan, Bayu Wiro; Fajardini, Ridhani Anita
ROTASI Vol 26, No 4 (2024): VOLUME 26, NOMOR 4, OKTOBER 2024
Publisher : Departemen Teknik Mesin, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/rotasi.26.4.54-59

Abstract

Fixtures and jigs are work-holding devices used to position and support workpieces. Fixtures and jigs are important tools in production because their use determines the performance of the entire production process of a product. There are still situations in the manufacturing sector where products manufactured could be more precise. Work-holding devices that facilitate the machining process must be developed to ensure that the final products satisfy the required criteria. This study aimed to design, manufacture, and evaluate fixtures and jigs and then assess how well they worked with test specimens in rectangular shapes. The jigs and fixtures are planned based on a vacuum table that is adjusted to the machining position on the side of the material. The intention of employing a vacuum system is to simplify the process of setting up the workpiece. Fusion360 Design Software was utilized to design fixtures and jig models. Since aluminum is easy to form and has high wear resistance, it was chosen as the workpiece material. CNC machine was employed in the manufacturing process. Testing of jig and fixture tools is carried out on the side of the test specimen. According to the study's findings, jigs and fixtures accelerate the milling process on the material side. When jigs and fixtures are used, the milling process proceeds 17.47 minutes. Using this jig and fixture makes it possible to shorten the operating time, making the milling process run more quickly. Furthermore, the final product has remarkable dimensional accuracy.
CALCULATE ENERGY BALANCE IN POWER BOILERS USING BIOMASS TO DETERMINE ENERGY REQUIREMENTS Sriwijayasih, Imaniah; Novianarenti, Eky; Setiawan, Priyo Agus; Abubakar, Kgs Muhammad; Haryati, Sri; Karuniawan, Bayu Wiro; Auliya, Prativi Khilyatul; Sarena, Sryang Tera
International Conference on Maritime Technology and Its Application Vol. 3 No. 1 (2025): ICOMTA : International Conference on Maritime Technology and Its Application
Publisher : Surabaya State Polytechnic of Shipbuilding

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35991/icomta.v1i1.7

Abstract

Boilers function to produce hot water or hot steam from combustion products to be converted as energy. Steam is used to drive turbines to produce electrical energy, apart from that steam is also used for heating. The boiler fuel uses biomass in the form of tree bark, namely acacia mangium. The aim of this study is to find out whether the process running in the Power boiler is good or not, it can be seen from its efficiency, so that the energy balance calculation is carried out on the Power boiler itself. Therefore, a study is needed to determine the energy balance of the unit. From the heat balance calculation, the heat data for producing steam was 1924,927,054 kcal, the latent heat of vaporization was 5732,620,038 kcal and the feed water heat was 11156296.65 kcal. So from the calculations obtained we can find out the energy balance in the boiler and the resulting Supply Steam Consumption
OPTIMASI PARAMETER MESIN PRINTER 3D TERHADAP KEKASARAN PERMUKAAN PRODUK MATERIAL ABS MENGGUNAKAN METODE TAGUCHI Karuniawan, Bayu Wiro; Rachman, Farizi; Yoningtias, Mega Tri
AUSTENIT Vol. 14 No. 2 (2022): AUSTENIT: October 2022
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/austenit.v14i2.4631

Abstract

The examination was directed utilizing 3D Printer FDM (Fused Deposition Modeling) Ender-3 Pro with different mixes of boundaries. Choice of boundaries for 3 kinds of boundaries (Layer level, infill example, and spout temperature), every boundary fluctuated by 3 varieties. The material utilized is ABS (Acrylonitrile Butadiene Styrene) material. The examination strategy utilizes the Taguchi technique. Plan of Experiment involving the Taguchi technique as an orthogonal matrix L9(34) with three replications. The resulting response is only surface roughness. Tests produce the ideal boundaries: layer height 0.1 mm, infill pattern is line pattern and nozzle temperature 240°C. The layer height parameter result a contribution percentage of 99,63%, infill pattern 0,04%, and nozzle temperature 0,15%.
Co-Authors Abubakar, Kgs Muhammad Auliya, Prativi Khilyatul Dhika Aditya Purnomo Eky Novianarenti Farizi Rachman Fipka Bisono Hamzah, Fais Imaniah Sriwijayasih Maya, Risma Aris Musharofah, Nadia Pramestiani, Ika Pranowo Sidi Ridhani Anita Fajardini Rizal Indrawan Sarena, Sryang Tera Sri Haryati Tri Andi Setiawan Uhaque, Salsabila Diya Yoningtias, Mega Tri