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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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Penerapan Metode Taguchi dan Grey Relational Analysis pada Optimasi Parameter Mesin EDM Sinking Terhadap Material AISI H13 Yelse Bella Yulita; Endang Pudji Purwanti; Dhika Aditya Purnomo
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 4 No 1 (2020): Conference on Design and Manufacture and Its Aplication
Publisher : Proceedings Conference On Design Manufacture Engineering And Its Application

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Abstract

EDM sinking is one of the non-conventional machining processes that used to make moulds or dies. In the process, there are several things that affected on the product quality and production cost which are electrode wear rate, surface roughness, final cutting depth and material cutting rate. That four things are influenced by the selection of parameters used during machining process. This research conducted since in the field of industry, optimization becomes an important necessity to improve the quality of products produced. It aims to know how much a parameter contributes to the investigated response and get a combination of parameter settings that are assessed to result in an optimum response simultaneously. This research was conducted on AISI H13 material using Taguchi and Grey Relational Analysis methods. The parameters that researched are current (A), on time (?s), off time (?s), and gap voltage (V). The result of this research is obtained the optimum combination of parameters consisting of the current of 25 ampere, on time of 100 ?s, off time of 10 ?s, and gap voltage of 10 volts with percent contribution of current at 83.90%, on time by 3.46%, off time of 5.48%, and voltage gap of 6.86%.
Upaya Perbaikan Kualitas Menggunakan Metode Six Sigma untuk Mengurangi Jumlah Cacat Produk Head Travel Kit pada PT. Berlina Tbk Diajeng Rizky Amelia; Rina Sandora; Farizi Rachman
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 4 No 1 (2020): Conference on Design and Manufacture and Its Aplication
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Abstract

In packaging industries, PT. Berlina is enganged in the production of plastic packaging, especially in injection moulding departement based on September 2019 data, there is a product that has the largest percentage of defects namely head travel kit (9.1%). Bubble defect is the most dominant problem among other disability categories with a percentage of 57.9%. This study aims to know and identify the factors that cause bubble defect and determine alternative improvement policies that can reduce the rate of occurance of bubble defects of head travel kit product to implement. The method use in this study is Six Sigma which includes five stages of analysis, namely DMAIC (Define, Measure, Analyze, Improve, and Control). Each stage of DMAIC is done by carefully analyzing and maintaining the process. The results of this study indicate that the factors causing bubble analyzed by FTA are speed injection parameters exorbitant, plastizing process less precise, back pressure parameter too low, and ventilation syste, less precise. There are plan of improvement effort that is varying the speed injection parameter, extend the holding time parameter, extend the back pressure parameter, and cleaning the venting area. While the effort improvement that has be done is verying the speed injection parameter with a range of 15 mm/s untul 25 mm/s and extend the holding time parameter to 6 secon.The result of effort improvement are showed the decrease of defects percentage between before and after improvement that is from 26 % to 10 % and obtained 3,145 sigma, it means more and better than from previous sigma value, it is 2,849 sigma.
Penerapan Metode RCM II untuk Meningkatkan Performa pada Strainer Candra Apriyanto Sanjaya; George Endri Kusuma; Mohamad Hakam
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 4 No 1 (2020): Conference on Design and Manufacture and Its Aplication
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Missile Fast Boat (KCR 60M) with the type of patrol boat and Hospital Assistance Ship (BRS). In some maintenance processes carried out on the ship system, counted on average carried out for 2 weeks. But that is done for all different equipment and machinery. The topic taken was performance analysis and maintenance proposals for the strainer. Strainer is a support component that functions as an outside water filter that will enter the ship system, because the strainer is the initial entrance of water and easy to do checks and can extend the life time of components such as pumps and heat exchangers that exist in the system. And to analyze all of these things use the Failure Mode and Effect Analysis (FMEA) and Realibility Centered Maintenance (RCM) methods and the data used such as TTF (Time to Failure) and TTR (Time to Repair). The application of this method is obtained the right maintenance time and more effective. The application of this method to each system on the ship is a sea chest system, sea water cooler system, ballast system, getting an additional maintenance time of 88 hours or about 3 days for the maintenance deadline. In the fuel oil transfer & purifying system, the maximum maintenance time limit is 982 hours or 40 days. As for the oil fill & transfer system to get results which is a time difference of 4.208 hours or about 5 months earlier than company data, it can be a suitable scheduling proposal for each of these systems. And the maximum fouling factor for the strainer component is 3.21 mm. As a result, the life time possessed by each machine component will be longer and its performance becomes optimal especially for strainer components that don’t have a fixed maintenance schedule.
Analisis Variasi Komposisi terhadap Kekuatan Tarik Komposit Serat Daun Nanas dengan Orientasi Random Evy Agnessylviana Rooseta; Wiwik Dwi Pratiwi; Widya Emilia Primaningtyas
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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Pineapple leaf waste that is treated properly will provide added value. For example, the use of pineapple leaf fiber for the manufacture of composites. In addition, composites with natural fibers are lighter than synthetic fibers. Synthetic fibers also have several disadvantages, namely they can irritate the hands and can injure the lungs during the production process. In this study, research was conducted on the effect of orientation and composition on the tensile strength of pineapple leaf fiber reinforced composites. The arrangement of the fibers used is random, while the variations in fiber composition are 55%, 60% and 65% based on volume fraction. Pineapple leaf fiber used through the delignification process using 5% NaOH solution for 2 hours. The composite that produces the greatest tensile strength is a composite with one direction fiber orientation with a fiber composition of 55%, namely 7.18 ± 0.91 MPa. While the lowest tensile strength in random orientation composites with a fiber composition of 65% is 4.04 ± 1.02 MPa.
Pengendalian Kualitas Ketipisan Dinding Botol Kaca Berkarbonasi Pada Proses Blow and Blow Dengan Metode Six Sigma Abid Zaidahul Barok; Endang Pudji Purwanti; Widya Emilia Primaningtyas
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 4 No 1 (2020): Conference on Design and Manufacture and Its Aplication
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Non-returnable glass bottles for carbonated drinks produced by the blow and blow process have defects on the walls of the glass bottles, so that the production process is still rejected. Machine 11 had the highest reject percentage in June 2019 reached 1.20% with an average monthly reject percentage of 0.74%, this could cause harm to the company. This research aims to determine the cause of thinness of carbonated bottle walls below specifications, and also to find an effort to reduce the cause of thinness of carbonated bottle walls under specifications. The method used is Six sigma DMAIC. At the measure stage gets 4.09 sigma from the DPMO calculation and control diagram the p-chart has a statistically uncontrolled. In analyzing stage using FTA, there were 5 factors found; blank mold was replaced in productin, final blow time was too fast, counter blow time was too fast, blank mold was often repaired, swab was not done correctly, while the effort quality control to do was manually re-inject the bottles which came out of the newly replaced mold, check panel periodically during the job change process, to check final blow timing and counter blow timing, check mold lifetime, swab the dirty/ dry mold and did regular checks.
Optimasi Parameter 3D Printing pada Material PETG terhadap Kekuatan Tarik dan Building Time Menggunakan Metode Taguchi Grey Relational Analysis Achmad Faizal Cholis; Bayu Wiro Kurniawan; Rizal Indrawan
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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Nowadays 3D printing technology is often used as a production machine, but production efficiency and good mechanical properties are priorities in the production process. Tensile strength and production time (building time) are some of the response variables of mechanical properties and production efficiency. In this study, the 3D printing parameters like nozzle size, layer height, print speed, and infill pattern will be used as an independent variables to obtain optimal output for tensile strength response and building time. The experimental design was calculated using the Taguchi method with an orthogonal matrix ( ) with 3 replications. Then the data was analyzed using Gray Relational Analysis to obtain the optimal combination of parameters for the combined response. After the prediction experiment had been conducted, a confirmation experiment was used as a validation of the experiment success. The optimal parameters obtained are nozzle size 0.8 mm, layer height 0.2 mm, print speed 50 mm/s, and concentric infill pattern with an average tensile strength of ±25.033 Mpa with a building time of ±28.0056 minutes. After analysis, the nozzle size parameter has a contribution of 44.39%, layer height of 42.31%, print speed of 1.18%, and infill pattern of 12.13% to the combinedresponse.
Usulan Perbaikan Kualitas Proses Produksi Closing Rib Perusahaan Penerbangan Dengan Metode Six Sigma Nizar Anas; Farizi Rachman; Renanda Nia Rachmadita
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 4 No 1 (2020): Conference on Design and Manufacture and Its Aplication
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The aim of this research evaluate the Closing Rib production process in aerospace company, trough identify the cause of product defect and find feasible solution to reduce defectedproduct. Closing Rib is a constituent component of Airbus A320 aircraft wing. Based on 2019 production data, still an average percentage of defects more than the average defect determined by the company at 1%. This study uses the Six Sigma method with concept of DMAIC (Define, Measure, Analyze, Improve, Control) in an effort to improve quality. The results of the analysis at define stage show Hole Oversized is the highest type of defect. At the measure stage, the production process stability is measured with an average proportion of defective products of 0.0818 and has one data out of control. In measuring process, the capability value is 3,6356 sigma. At analyzing the causes carried out with the FTA approach obtained 6 basic events including uniform matrix tools, poor tool storage, lack of tool identification tools, reamer usage over time, inappropriate maintenance of reamer and machine operation sequence. And in the improve stage, there are some improvement efforts such as; simplifying matrix tools, designing tool storage, creating maintenance tables for tools, and adding SOPs.
Optimasi Parameter pada Mesin 3D Printer terhadap Kekuatan Tarik dan Kekasaran Permukaan Produk Menggunakan Metode Taguchi Grey Relational Analysis Mega Tri Yoningtias; 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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The world of the manufacturing industry continues to develop and one of the technologies that support the manufacturing industry in the era of the industrial revolution 4.0 is 3D printingtechnology. It is very important to know the mechanical properties of 3D printing materials, one of which is tensile strength. Low tensile strength causes the product to experience mechanical failure such as yielding and fracture. High surface roughness causes the wear of components and affects their functional factors. To get a product of good quality so that the resulting product has high tensile strength and low surface roughness, research is needed to find the right and optimal combination of process parameters in the 3D printing process. Tensile strength and surface roughness will be observed. The material used is ABS filament. Layer height, infill pattern, and nozzle temperature are varied. Design of Experiment using the Taguchi method in the form of an orthogonal matrix L9(34) with three replications and using Grey Relational Analysis. From the results of the study, it was found that the most optimal combination of independent variables for the response variables of tensile strength and surface roughness simultaneously was layer height at level 1 with a value of 0.1 mm, infill patternat level 2 with line pattern and nozzle temperature at level 1 with a value of 230°C. The layer height parameter gives a contribution percentage of 49.55%, infill pattern 46.92%, and nozzle temperature 1.67%.
Analisa Pengaruh Parameter 3D Printing dengan Metode Taguchi – Grey Relational Analysis Terhadap Kekasaran Permukaan dan Building Time Produk Nurul Maulidah Al Awwaliyah; Bayu Wiro Karuniawan; Dhika Aditya Purnomo
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 4 No 1 (2020): Conference on Design and Manufacture and Its Aplication
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Additive Manufacturing Technology (AM) is interesting concern to be developed or usually called by 3D printing. In the production process, good quality output and optimal production are very important. Kind of dependent variable that affects product quality and high selling value is surface roughness, and that becomes the value of efficiency is the products build time. In this study, independent variable or parameters namely layer height; nozzle te mperature; and print speed are factors which is researched to obtain the optimal output. The design of experiment was made using the Taguchi method with orthogonal matrix of L9(34) by 3 times replication. Result analysis is using Grey Relational Analysis to obtain the optimal combination of parameters through the combined response. After conducting prediction experiments and getting optimal parameter predictions, a confirmation experiment is needed as a validation of the experiment's success. The optimal parameter results are the layer height of 0.05 mm, the nozzle temperature of 190oC, and the print speed of 60mm/s with average of roughness surface of 3.938?m and production time of ±109,933 minutes. Based on analysis, the contribution of layer height parameters were 41.2929%, the nozzletemperature 6.8134%, and the print speed 40.3769% throught the combined response.
Pengaruh Perlakuan Alkali terhadap Kekuatan Tarik Komposit Epoxy Berpenguat Serat Bagasse Enggar Dyah Nailufah Haryanti; Budianto Budianto; Widya Emilia Primaningtyas
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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Sugarcane is a plant that is used as the main ingredient for making sugar. On the other hand, the utilization of bagasse is not optimal, where on average, bagasse is only used as fuel for the production process and for power generation. Bagasse fiber can be processed for the manufacture of composites. The benefits of bagasse fiber as a composite are quite good mechanical properties, noncorrosive, easy to obtain and environmentally friendly. In addition, when compared to synthetic fibers, composites with natural fibers are lighter. Synthetic fiber also has some drawbacks, namely it can cause skin irritation and injure the lungs during the production process. This time, a research was conducted on the effect of alkaline treatment on bagasse fiber. The variation of NaOH concentration is 0% and 3% for 1 hour. The composite was made using 5 mm short fibers arranged randomly and Chopp Matt fibers with a composition of 35%:65%. The composite with the highest tensile strength was obtained at the delignification process variation of 3% NaOH concentration with a tensile strength of 38.25±5.79 MPa. Then the lowest tensile strength occurred at 0% NaOH concentration variation with a tensile strength of 18.74±3.02 MPa.

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