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Farizi Rachman
Politeknik Perkapalan Negeri Surabaya
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Journal : PROCEEDINGS CONFERENCE ON DESIGN AND MANUFACTURE AND ITS APPLICATION

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Analisis Waste dengan Menggunakan Value Stream Analysis Tools (Valsat) pada Proses Produksi Klip (Studi Kasus di PT. Indoprima Gemilang Engineering) Irishka Sara Aprilia; Renanda Nia Rachmadita; Farizi Rachman
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 1 No 1 (2017): Conference on Design and Manufacture and Its Aplication
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Sebagai perusahaan yang memproduksi produk massal (mass production), PT. Indoprima GemilangEngineering perlu mereduksi waste. Penelitian ini bertujuan untuk mengidentifikasi pemborosanyang terjadi dengan menggunakan metode Value Stream Analysis Toolsserta memberikan usulanperbaikan terhadap proses produksi klip. Penelitian ini meliputi penggambaran big picturemapping, pembobotan wastedengan menyebarkan kuisioner, setelah didapat rata-rata dariperhitungan waste, dilakukan perhitungan VALSAT untuk mendapatkan tool yang nantinya dapatmengidentifikasi lebih detail wasteyang terjadi selama proses produksi, setelah itu wastedianalisamenggunakan fishbone diagram untuk selanjutnya dibuat usulan perbaikan.Dari hasil analisisProcess Activity Mapping, didapatkan presentase hasil aktivitas VA sebesar 51,54%, aktivitasNNVA sebesar 33,74%, aktivitas NVA sebesar 14,72%. Dari 23 aktivitas produksi, terdapat 21,74%aktivitas operation, 17,39% aktivitas transport, 39,13% aktivitas inspection, 4,347% aktivitasstoragedan 17,39% aktivitas delay. Berdasarkan hasil penelitian, didapatkan beberapa penyebabwasteantara lain seperti permintaan produk yang berubah-ubah, kurangnya ketersediaan box, setupmatras yang terlalu lama, ataupun masalah dalam perencanaan produksi. Usulan perbaikan yangdapat diberikan adalah seperti membuat penjadwalan dan perencanaan produksi yang tepat,melakukan monitoring terhadap proses produksi yang berjalan, mempersingkat waktu setting danjuga training untuk pekerja.
Perbandingan Metode Autoregressive Integrated Moving Average (ARIMA) dan Exponential Smoothing pada Peramalan Penjualan Klip (Studi Kasus PT. Indoprima Gemilang Engineering) Aditia Rizki Sudrajat; Renanda Nia Rachmadita; Farizi Rachman
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 1 No 1 (2017): Conference on Design and Manufacture and Its Aplication
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Seiring bertambahnya permintaan produksi klip yang ada pada PT.Indoprima GemilangEngineering dan pihak perusahaan ingin semua proses berjalan berbanding lurus, antarapermintaan dengan proses produksi yang ada pada perusahaan. Karena pada kenyataannya prosesdilapangan selalu mengalami perbedaan dengan hasil peramalan produksi yang ada.Penelitian ini bertujuan untuk membandingkan keakuratan metode Autoregressive IntegratedMoving Average (ARIMA) dan Exponential Smoothing pada peramalan penjualan klip di PT.Indoprima Gemilang Engineering, sehingga perusahaan dapat melakukan prediksi untuk periodeselanjutnya dengan metode yang lebih akurat diantara kedua metode tersebut. Pada penelitian kaliini penulis melakukan peramalan untuk hasil 12 periode kedepan di tahun 2016, denganmenggunakan pengujian keakuratan nilai MSE yang dimiliki oleh masing-masing metode,perbandingan ini turut menggunakan aplikasi Minitab. Proses penelitian ini berfokus pada satusampel tipe klip, berdasarkan permintaan terbanyak. Dengan menginputkan 96 data bulanan yangdi peroleh dari tahun 2008 sampai dengan 2015 yang ada, untuk menghasilakan peramalan 12periode kedepan di tahun 2016.Setelah melakukan penelitian menggunakan software Minitab maka mendapatkan hasil metodeyang terbaik digunakan untuk peramalan adalah metode ARIMA dibandingkan dengan metodeExponential Smoothing, karena hasil MSE ARIMA lebih kecil sebesar 50983, sedangkan metodeExponential Smoothing sebesar 58476,8. Oleh karena itu metode ARIMA dapat dijadikan acuanmetode dalam membuat forecasting.
Analisa Pengendalian Kualitas Proses Produksi Botol pada Departemen Blow Molding di Industri Packaging admin CDMA; Neoninsa Risma Rossihanida; Renanda Nia Rachmadita; Farizi Rachman
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 2 No 1 (2018): Conference on Design and Manufacture and Its Aplication
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In the past one year, the problem of critical defects is the most dominant problem. With a percentage of 46% of all problems. This study aims to determine the factors that cause the bottle to leak and to find an effort to reduce the level of leaky bottles in the blow molding department's bottle production process. The method used in this study is Six Sigma which includes five stages of analysis, namely DMAIC (Define, Measure, Analyze, Improve, and Control). The approach used to improve the process. Each stage of DMAIC is done by carefully analyzing and maintaining the process. The results of this study indicate that the factors causing leaky bottles analyzed with FTA are problematic valves, air settings are not normal, blow pins are not centered, loose switch limit bolts, no checking rules, new technicians, and no defective mouth product reference . While the effort that must be done is changing the valve, the central pressure is increased to 7.5-8 bar, setting the blow pin to the center, changing the limit switch bolt, making the rules at the beginning of shift shifts, holding regular training for technicians, and making leaky product references.
Optimasi Waktu Siklus Produksi Kemasan Produk Botol Toner 200 ml Pada Proses Blow Molding Dengan Metode Respon Surface Akhzam Samyvikar; Bayu Wiro Karuniawan; Farizi Rachman
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 2 No 1 (2018): Conference on Design and Manufacture and Its Aplication
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Di jaman modern ini perkembangan terknologi semakin pesat membuat persaingan di dunia industri juga semakin ketat.Hal tersebut mengakibatkan industri plastik di Indonesia harus mampu meningkatkan produksinya, baik dalam hal kuantitas maupun kualitas produksinya.Mesin MKV 3 merupakan salah satu mesin extrusion blow molding yang digunakan untuk memproduksi botol Toner 200 ml. Proses produksi botol toner 200 ml ini membutuhkan waktu siklus selama± 22 detik dan menghasilkan 2885 botol per shift.Hal tersebut dinilai masih kurang karena kapasitas produksinya masih kurang memenuhi kapasitas yang diinginkan. Untuk mengatasi permasalahan tersebut dibutuhkan optimasi pada waktu siklus produksi botol toner 200 ml namun harus memperhatikan kualitas produknya, dalam hal ini adalah netto botol.Dalam penelitian ini variabel proses (parameter) yang diambil antara lain blowing pressure, blowing time dan stop time, sedangkan variabel respon yang dipilih pada penelitian ini adalah cycle time, netto. Metode analisa yang digunakan adalah Metoderespon surface. Metode analisa tersebut menghasilkan nilai variabel proses terhadap variabel respon yang optimal.Berdasrkan hasil penelitian didapat kesimpulan bahwa keadaan optimum dihasilkan pada kondisi blowing pressure sebesar 6.3535 bar; blowing time sebesar 12 detik; dan stop time 2 detik. Dari keadaan optimum tersebut cycle time yang dihasilkan yaitu 19.97 detik dan netto yang dihasilkan sesuai standar yaitu 22.02 gram.
Optimasi Kekerasan Baja S45C pada Proses Hardening Helical Gear Menggunakan Metode Taguchi Rikma Mila Ilmaya; Pranowo Sidi; Farizi Rachman
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 2 No 1 (2018): Conference on Design and Manufacture and Its Aplication
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One of the uses of steel is as a basic material for making helical gear. Helical gear is made of medium carbon steel S45C which is carbon steel for the use of machine structure. Sometimes in the production process of helical gear has a hardness values that are not in accordance with the standards of hardness that have been determined by the customer. One way to improve the nature of hardness is the hardening process. The hardening process can be done by considering the factors that affected the hardness of a material, such as heating temperature, holding time, cooling medium, and coolant media temperature. In this research, the method of analysis used is Taguchi with signal to noise ratio (RSN) nominal the best to determine the effect of factors and determine the optimal parameter combination in order for knowing the appropriate of hardness value. From the results of research, it is found the factors that influence the hardness of S45C steel in the hardening process of helical gear are the temperature of cooling medium. As for the optimum parameter combination is heating temperature 740oC, holding time 20 minutes, oil cooling medium and coolant temperature 35oC.
Analisa Nilai Pertambahan Panjang Material ST37 Pada CNC Mesin Bending TRUMPF TruBend 5050 Menggunakan Metode Full Factorial Zaqi Asshidiqi; Wahyudi Wahyudi; Farizi Rachman
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 2 No 1 (2018): Conference on Design and Manufacture and Its Aplication
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CNC bending is a set of updated bending conventional machine, which has more advantages than conventional bending machine. To get final result with precision and accurate dimension using CNC bending TRUMPF TruBend 5050, the operators must have the bend allowance (Δ) table. The bend allowance is influenced by several parameters like dies, force and thickness of material. The three parameters really affect the final result of bending process. Testing is conducted to know the influence of parameter of dies, force and thickness of material toward bend allowance. The full factorial method is one of suitable methods used to know influence parameter, with level value dies in 8mm,10mm, 12mm, force in 150N, 300N, 500N and thickness of material in 1mm, 1.5mm, 2mm. The result shows that the parameters, dies, force and thickness of material have the signifiance influence on bend allowance. From third parametes the thickness of material has the highest influence. It can be seen from Fhitung value that has 278.1230 compared with the parameters of dies which is 6.4325 and force that is 3.8611.
Optimasi Setting Parameter Mesin Plasma Cutting terhadap Kekasaran Permukaan dan Lebar Pemotongan pada Aluminium 5083 Menggunakan Metode Taguchi Adelia Al Sakina; Bachtiar Bachtiar; Farizi Rachman
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 2 No 1 (2018): Conference on Design and Manufacture and Its Aplication
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Many factors determine the product quality, such as surface roughness and cutting width, especially in plate cutting industry. Getting the minimum roughness and the suitable cutting width becomes much easier if the machine operators know the right parameter while cutting. In this study, plasma cutting is used. Some parameter in this study are considered such as cutting speed, cutting height, arc voltage and air flow rates on cutting aluminium 5083 with 10 mm thickness. The analysis is conducted using Taguchi Grey Relational Analysis Method to surface roughness and cutting width. The result from this study is getting the optimal parameter combination consists of cutting speed with 1470 mm/min, cut height with 6 mm, arc voltage with 163 volt and air flow rates with 40 lpm. Moreover, the percentage contribution for cutting height is 6,780%, arc voltage is 20,141% and air flow is 56,779%. Meanwhile cutting speed didn’t signi ically a ect sur ace roughness and cutting width.
ANALISIS PENGARUH VARIASI JENIS BAHAN PENGIKAT TERHADAP PERMEABILITAS PASIR CETAK PADA PENGECORAN LOGAM Tisya Pramesta Ramadhani; Farizi Rachman; Widya Emilia Primaningtyas
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 6 No 1 (2022): Conference on Design and Manufacture and Its Aplication
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The results of field observations and reports on the production and quality control of PT. Aneka Adhilogam Karya in 2021, show that the percentage of reject product decrease by 0.23% and company’s quality target decrease by 0.5% from the previous year, it can be concluded that every year the company try to reduce the percentage of reject products which are suspected to be caused by problems in the composition of the molding sand. It was found that the moisture content of the molding sand exceed the normal limit of 11,2%, so that the reject product was suspected to be caused by problems in the composition of the molding sand. Research on the correct composition of molding sand between the composition of sand and binder is needed to improve the quality of casting results. This research was carried out using an experimental method and then comparing the permeability of molding sand and casting results from two types of addition of binders, namely bentonite and molasses. Variations in the composition used are 1%, 3%, and 5%. The results of this study obtained a recommendation for the composition of molding sand that has the highest permeability and produces a product with the least quantity of defects is molding sand with the addition of 5% molasses binder, with a permeability value of 53.50±0.50 cm3/minute and a defect area of 11.97%.
Analisis Pengaruh Variasi Parameter 3D Printing terhadap Kekuatan Tarik, Kekuatan Impak, dan Building Time menggunakan Metode Taguchi – Grey Relational Analysis Ajeng Sukarno Putri; Bayu Wiro Karuniawan; Farizi Rachman
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 6 No 1 (2022): Conference on Design and Manufacture and Its Aplication
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The use of 3D printing in the manufacturing industry is not only limited to making prototypes, but also used in engineering applications. Optimal results in every production process are something to be achieved. One of them is a product with high tensile strength and impact strength, and fast building time. This study discusses the optimization of 3D printing results which are used as reference materials in the development of 3D printing technology. The experimental design used in this study was the Taguchi method with the orthogonal matrix L9(34) with three replications. The optimal combination of combined response is obtained by using the Gray Relational Analysis approach. Furthermore, a confirmation experiment was carried out as a validation of the experiment’s success. The optimal parameter results are layer height of 0.3 mm, infill pattern with a concentric pattern, and print speed of 60 mm/s. Based on the combined response analysis, the layer height parameter contribution is 51.576%, the infill pattern is 32.021%, and the print speed is 6.574%.
Analisis Pengaruh Cleanliness, Ketebalan, dan Jenis Cat pada Material Baja A572 terhadap Daya Rekat Cat dan Biaya Proses Menggunakan Metode Taguchi-Grey Relational Analysis Anggie Madhu Firdiandani; Farizi Rachman; Bayu Wiro Karuniawan
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 5 No 1 (2021): Conference on Design and Manufacture and Its Aplication
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A general constructor company engaged in manufacturing and construction services produces steel structure components that go through several stages of the fabrication process, one of which is the finishing stage. At the finishing stage, the product is coated by painting to protect the product from corrosion. The adhesion of the paint to the substrate must meet the criteria to get a good quality of protection for the product. Products with poor quality or defects require a repair stage so that the product can be sent to consumers. However, the repair stage can cause the process costs at the finishing stage to be higher. To get a product of good quality so that the resulting product has high adhesion and low processing costs, research is needed to obtain the optimal combination of process parameters in the painting process. The process parameters studied were cleanliness, thickness, and type of paint. The experimental design used the Taguchi method in the form of an orthogonal L9(34) matrix with three replications and used Grey Relational Analysis. From the experimental results, it was found that the optimal combination of process parameters for adhesion strength and process costs simultaneously was cleanliness at level 2 with a value of Sa2 1/2, thickness at level 1 with a value of 100?m, and paint types at level 1 with surface tolerant epoxy. The cleanliness parameter gives a contribution percentage of 67.5482%, thickness is 16.4417% and the type of paint is 13.5329%.
Co-Authors Achmad Syawariqul Anwar Adelia Al Sakina Aditia Rizki Sudrajat Aditya Maharai Aditya Maharani admin CDMA Afifah, Zumrotin Nur Ahdinia Intan Lestari Ajeng Sukarno Putri Akhmad Nabil Allam Akhzam Samyvikar Akseptori, Ristanti Alifia Rojana Am Maisarah Disrinama Aminatus Sa’diyah Anda Iviana Juniani Anggie Madhu Firdiandani Anggie Madhu Firdiandani Anita Nuryanti Anni Intan Faricha Anni Intan Faricha Aprilia Puspita Dewi Arfianto, Afif Zuhri Arief, M.Lukman Arif, Muhammad Lukman Arum Sukma Mutiara Arumsari, Nurvita Arun Sukma Mutiara Ashari, M Luqman Bachtiar Bachtiar Bagas Ramadhan Sutrisno Bayu Wiro K Bayu Wiro K. Bayu Wiro Karuniawan Bayu Wiro Karuniawan Bayu Wiro Karuniawan Bayu Wiro Kurniawan Beauty, Nur Lailany Fenny Clarissa Addikko Febryantie Yasmine Deni Oktavina Radiant Dewi Kurniasih Dewi Kurniasih Dewi Kurniasih Dewi Kurniasih Dhika Aditya Purnomo Diajeng Rizky Amelia Dian Asa Utari Fais Hamzah Faiz Hamzah, Faiz Faren Rizka Samara Fipka Bisono Firmansyah, Vicky Candra Fitri Hardiyanti Gaguk Suhardjito Hamzah, Fais Hasugian, Devina Bianca Putri Rahadyan Heppy Ridhatul Aula Hisyam Rafly Syahputra Iis Nafisa Ika Erawati Ika Erawati Ika Pramestiani Ika Pramestiani Ika Rista Yuniarti Astutik Indri Santiasih Inge Ventarani Abdul Irishka Sara Aprilia Irna Faridatul Khasanah Isanda Ika Damayanti Isna Aulia Kharisma Ivan Bagus Achmal Karuniawan, Bayu Wiro Kholish Adilah Damayanti Kinari Lalitya Kirana Enggar Kusuma Kurniawan, Bayu W. Kusuma, George E Lanang Ilham Kelana Lintang Aditya Wardani Lukman Handoko M. Basuki Rahmat Maharani, Aditya Mahfudzi, Imam Maya, Risma Aris Mega Tri Yoningtias Mega Tri Yoningtias Melia Chandra Millana Mohammad Basuki Rahmat Muhammad Afif Muhammad Haffid Indra Brillyanto Nanda Dini Eka Syah Putri Neoninsa Risma Rossihanida Nizar Anas Noorman Rinanto Novita Anggraini Nur Lailany Fenny Beauty Oktaviana Vara Ika Putri Pradita Nurkholies Pramestiani, Ika Pranowo Sidi Primaningtyas, Widya Emilia Purnomo, Dhika A. Purwitasari, Ratri Wahyuning Putri Amalia Maviroh R. A. Norromadani Yuniati R. A. Norromadani Yuniati Rachmat, Aulia Nadia Ratri Wahyuning Purwitasari Rena Riza Umami Renanda Nia Rachmadita Ridhani Anita Fajardini Rikma Mila Ilmaya Rina Sandora Risdyani Nabila Basyasyah Risma Aris Maya Risma Aris Maya Rizal Indrawan Rosyita Firdaus Rosyita Firdaus Ryan Yudha Aditya Santi Wulan Purnami Sidi, Pranoto Thina Ardliana Thina Ardliana, Thina Thoriqul Hakim Tisya P. Ramadhani Tisya Pramesta Ramadhani Tri Andi Setiawan Tri Andi Setiawan Wahyudi Wahyudi Wardani, Lintang Aditya Wisdha Riezqi Ginandhani Yahya Bahar Prihantono Yovindra Anggita Dyah Fortuna Yugowati Praharsi Yugowati Praharsi Yuniati, R.A. Norromadani Zaqi Asshidiqi Zumrotin Nur Afifah