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PROCEEDINGS CONFERENCE ON DESIGN AND MANUFACTURE AND ITS APPLICATION
Published by Politeknik Perkapalan Negeri Surabaya
ISSN : -     EISSN : 26548631     DOI : https://doi.org/10.33863/cdma.v8i1.2898
Core Subject : Science, Engineering,
Control & Systems Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
The aim of the Conference on Design Manufacture Engineering and Its Application (CDMA) is to provide a scientific platform for researchers, academics, and professionals to share and disseminate original research, innovative ideas, and practical developments in the fields of design engineering, manufacturing technology, and their multidisciplinary applications. CDMA welcomes the submission of theoretical and empirical papers that aim to advance knowledge, challenge conventional practices, and offer new insights into areas such as product design, manufacturing systems, industrial automation, materials engineering, and related domains. Submissions may employ various methodological approaches, including experimental research, modeling and simulation, qualitative studies, and data-driven analysis.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 306 Documents
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Aplikasi Lean Six Sigma sebagai Upaya Pengurangan Defect Produk Water Pump Anni Intan Faricha; Yugowati Praharsi; Farizi Rachman
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 7 No 1 (2023): Conference On Design And Manufacture Its Application
Publisher : Proceedings Conference On Design Manufacture Engineering And Its Application

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Abstract

The foundry company has a commitment to always prioritise product quality, the exact dimensions of the products resulting from the finishing CNC process, are classified as without defects. Water Pump products are targeted that have a high reject rate, due to defects in the form of CNC dimension failure, bad casting and 5 variance of te defects. The results of processing Non Conformance Report waster pump products, the number of product quantity increases in production, this successfully proves that there is a defect waste process behaviour. This research applies Six Sigma method for reduce defect. This method includes DMAIC, Define critical waste defect (SIPOC), Measure with DPMO and sigma value Analyze with Fishbone Diagram, Improve with Kaizen resulting in an output sigma level value of 2.98 which rose to 3.00 with a DPMO value from 69,178 to 67,702 due to improvements as well as a predetermined target increase in the sigma level value.
Perbandingan Peramalan Penjualan Oil Filter di PT. United Tractors Surabaya dengan Metode Autoregressive Integrated Moving Average (ARIMA), Exponential Smoothing (ES), Trend Moment Kirana Enggar Kusuma; Farizi Rachman; Aditya Maharani
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 1 No 1 (2017): Conference on Design and Manufacture and Its Aplication
Publisher : Proceedings Conference On Design Manufacture Engineering And Its Application

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Abstract

PT. United Tractors is a heavy equipment distribution company selling spare parts such as oil filters. The results of the problems being faced by PT. UT cannot meet customers' demand; therefore, an oil filter sales forecasting analysis uses the Autoregressive Integrated Moving Average (ARIMA), Exponential Smoothing (ES), and Trend Moment method. The results of calculations and research carried out after processing data from 2013 to 2022, the slightest error value is obtained in the Exponential Smoothing method with the Double Exponential Smoothing model using a= 0.9. The accuracy values obtained are MAD= 5.021, MSE= 59.674, dan MAPE= 0.086%, when compared to ARIMA, MAD= 8.192, MSE= 131.473, and MAPE= 0.152%, and Trend Moment MAD= 132.447, MSE= 17788.856, and MAPE= 2.261%. So, the chosen method is Exponential Smoothing.
Analisis Tegangan pada Struktur Sasis Lowbed Trailer dengan Metode Elemen Hingga Friska Nur Anggraeni; Mohammad Miftachul Munir; Mohamad Hakam
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 7 No 1 (2023): Conference On Design And Manufacture Its Application
Publisher : Proceedings Conference On Design Manufacture Engineering And Its Application

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Abstract

The demand for heavy equipment is rising alongside industrial growth. The 120-ton Lowbed Trailer Dolly, owned by CV. XYZ, is commonly used for transporting heavy loads. Its chassis structure is crucial for supporting the truck and cargo. Structural analysis can help determine the strength and critical points with the highest stress, as well as the necessary structural stability to withstand the applied load. To understand the stress distribution and loading conditions, theoretical calculations were performed for comparison, along with 3D modeling using two types of beams: flat and arch. Furthermore, finite element analysis was conducted using Fusion 360 software (Education License). Theoritical calculation had a stress of 149.74 MPa and the stress analysis showed the flat-type beam had a stress of 168.925 MPa (below the maximum allowable stress of 233.33 MPa), while the arch-type beam had 267.097 MPa (exceeding the maximum allowable stress). Thus, the flat-type model is considered safe for a 120ton load. The percentage error between theoretical calculations and simulation results is 11.39% for flat-type and 43.49% for arch-type models.
PERANCANGAN KENDARAN LISTRIK SEBAGAI ALTERNATIF TRANSPORTASI BERKELANJUTAN DI MASA DEPAN Brahmantyo Luqman Sayoko; Rafly Mohammad Zidan Hanani Putra; Bagoes Anugrah Pramudiksa
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 7 No 1 (2023): Conference On Design And Manufacture Its Application
Publisher : Proceedings Conference On Design Manufacture Engineering And Its Application

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Awareness of the increasing negative impact of carbon emissions on the environment and the fossil energy crisis has encouraged the development of sustainable transportation alternatives. In this context, electric cars have emerged as a promising solution. This paper aims to present the design and build of an innovative electric car, with a focus on energy efficiency, reliable performance, and reduced carbon emissions. The design is carried out by considering various aspects including light weight, aerodynamic design, power systems, propulsion systems, energy storage systems, and vehicle dimensions. This research involves an analysis of the literature to understand electric vehicle technology and future development trends, while factors such as light weight, aerodynamic design, and long battery life of electric cars are designed to show satisfactory performance. Analysis of the test data revealed higher energy efficiency compared to internal combustion engine (ICE) powered vehicles. In addition, this electric car also shows a significant reduction in carbon emissions, making a positive contribution to global efforts to reduce environmental impact. The results of this study obtained an alternative design and design of electric vehicles, with a length of 2646.36 mm, a width of 1090 mm, a total height of 902.68 mm and a driving motor for the vehicle DB80L048030-ABRUSHLESS DC MOTOR from the Nanotec brand with a voltage of 48 V, rotating maximum of 3300 rpm, ideal speed of 19.2 km/hour, distance of 9.6 km with a time limit of 25 minutes. .The practical goal of this design is a more environmentally friendly and sustainable vehicle alternative to personal transport. It is hoped that this research can spark interest in the development of electric cars and encourage their wider use in the future.
ANALISIS PERLINDUNGAN KOROSI GEARBOX PADDLE WHEEL AERATOR DENGAN PELAPISAN NIKEL MENGGUNAKAN METODE ELEKTROPLATING Abu Zamani; Priyambodo Nur Ardi Nugroho; Widya Emilia Primaningtyas
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 7 No 1 (2023): Conference On Design And Manufacture Its Application
Publisher : Proceedings Conference On Design Manufacture Engineering And Its Application

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Corrosion of paddle wheel aerator gearboxes is a major factor affecting their performance in shrimp farms. To maintain its performance, protection from corrosion of the gearbox is necessary. This study focuses on the effect of nickel electroplating on corrosion rate. Electroplating is a way of coating metals with electric current. The variations used were electroplating current and time, then analyzed using the weight loss test. The results showed that the thickest coating occurred in the variation of 4A and 30 minutes, about 1.03 mm. The thinnest coating occurred in the 1A and 10 minutes variation, which was 0.10 mm. The lowest corrosion rate is at variation 4A and 30 minutes, which is about 0.1655 mmpy. The highest corrosion rate was in the 1A and 10 min variation, which was about 0.4246 mmpy. The greater the electroplating current and time, the more the service life of the coating increases. The conclusion of this research is that nickel plating by electroplating can reduce the corrosion rate of the aerator gearbox by about 92%, because the corrosion rate of the coated one is lower than the uncoated one.
Analisis Variasi Parameter Pengelasan Spot Welding Terhadap Kekuatan Tarik Pada Material SUS 304 dan DIN 1.4003 Berlyan Putri Anugrah Nillahi Ts.; Pranowo Sidi; Widya Emilia Primaningtyas
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 7 No 1 (2023): Conference On Design And Manufacture Its Application
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Spot welding technique is one of the most important parts in the train manufacturing process, especially in the plate working stage for the train carbody. This research aims to see the parameters that affect the tensile strength of the spot welding results using the Taguchi Method on SUS 304 2 mm and DIN 1.4003 3 mm welding joints. The parameter variations performed in this Taguchi Method are current strength, welding time, and electrode diameter. While the control level used is 2 levels on Strong Current 10.5 kA and 11 kA, Welding Time 20 cycles and 25 cycles, and Electrode Diameter 6.5 mm and 12 mm. The results obtained after analyzing and processing the data are the most influential parameters, namely strong current, followed by welding time, and the smallest influence is the electrode diameter. The results of the optimum parameter combination in this study are Current Strength 11 kA, Welding Time 25 cycles, and Electrode Diameter 11 mm. The combination of these parameters has been proven in confirmation of experiments with the Taguchi Method at a confidence level of 95% in the interval of confirmation experiments.
Perancangan Alat Bantu Hand Stacker Dengan Kapasitas 500 Kg di PT. Titian Kencana Samudera Jaya Gampang Gedhe Sasongko; Rizal Indrawan; Fipka Bisono; Sharon Diaz Rahayu
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 7 No 1 (2023): Conference On Design And Manufacture Its Application
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PT Titian Kencana Samudera Jaya is one of the companies engaged in Engineering, Fabrication and Construction. The hand stacker itself can be used to lift, lower, and move materials from one place to another. This type of lifting mechanism on the hand stacker uses a pulley system. Hand stacker with a size that fits the dimensions of the company makes it easier to move materials and several machines to be worked on. In this design, product development uses the Ulrich method. The concept selection in this design uses a pulley system as a lifting system where compared to the hydraulic system, the pulley system has a longer displacement distance because the pulley system uses a 6 x 19 IWRC steel rope and lifts goods faster because it uses a motor drive. The results of this research found that this tool saves more time to lift and use a motor that greatly facilitates workers and avoids excessive fatigue. This tool is made from UNP canal, and hollow which has dimensions of 1100mm long x 600 mm wide x 1750 mm high. The cost of designing this tool is Rp. 6,197,400, -
DFMA Method: Analysis on a Bananas Getuk Mixer and Moulding Machine Aurel Maydivi Salsabilla; Anda Iviana Juniani; Dhika Aditya Purnomo
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 7 No 1 (2023): Conference On Design And Manufacture Its Application
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The process equipment for the Bananas Getuk machine production, which initially used manual and hand tools, began to be developed for production machine designs, including a mixer machine and a banana Getuk molding. The Bananas Getuk Mixer and Molding Machine used today needs fixing in production. Namely, there is still dough left in the machine, and there are detached components. This problem has an impact on the ineffectiveness of production time and costs. This study aims to analyze the design of the machine by utilizing the DFMA method. The DFMA method provides an assembly process efficiency index (DFA Index) and recommendations for design improvements without changing the machine's function. The results of the DFMA analysis on the Bananas Getuk Mixer and Molding Machine resulted in a DFA Index value of 5.0 and design improvements that included the frame, mixing container, mixer, coaster, hopper, extruder, and bulkhead to increase the efficiency value of the machine.
Analisis Parameter Sandblasting terhadap Kekasaran Permukaan pada Material Baja A36 Menggunakan Metode Taguchi Isna Aulia Kharisma; Farizi Rachman; Bayu Wiro Karuniawan
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 7 No 1 (2023): Conference On Design And Manufacture Its Application
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Sandblasting is a surface cleaning process by shooting particles in the form of sand on the surface of the material, causing the material to become clean and rough. In industrial manufacturing companies where there is a structural fabrication process, of course, it will go through a sandblasting process to determine whether or not the quality of the products produced is feasible. Where to produce products with good quality, the resulting surface roughness value must be high. The sandblasting parameters used are spraying pressure, spraying time, and abrasive material size in working with A36 steel material which is one of the materials for making structural fabrication. This research uses the Taguchi method, which is one of the experimental design methods that can be used in controlling the quality of a product. With this method, the optimum parameters will be sought with the larger is better criterion. From the experimental results, it was found that the parameters that affect surface roughness are spraying pressure and abrasive material size with a percentage contribution of 66.81% and 27.60%, respectively, while the spraying time parameter did not affect surface roughness but contributed 3.30%.
Analisis Pengaruh Parameter Mesin Bubut Konvensional Terhadap Kesilindrisan Permukaan Baja ST 42 Menggunakan Metode Box Behnken Design Nadia Musharofah; Pranowo Sidi; Bayu Wiro Karuniawan
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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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 engine rotation, feed speed, and feed depth. 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 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 feed is 0.52% and the feed speed is 0.28%.

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