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INDONESIA
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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Rancang Bangun Converter Kit LPG (Liquefied Petroleum Gas) Pada Mobil Minimalis Roda Tiga Mohammad Jauhar Firdaus; George Endri Kusuma; Tri Andi Setiawan
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 2 No 1 (2018): Conference on Design and Manufacture and Its Aplication
Publisher : Proceedings Conference On Design Manufacture Engineering And Its Application

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The most widely used means of transportation for Indonesians are motorized vehicleswhose numbers will rise every year. Increasing the number of motor vehicles also affects the increasein the amount of fuel consumption used. The solution offered is the conversion of fuel oil to gas fuel inmotor vehicles as an alternative fuel. So that the Converter Kit of BBM to LPG is needed which iseasier to obtained than other gas fuels.This research produce Converter Kit LPG which make someconcept, then chosen one to make the product. Testing is done by installing Converter kit on theengine of a three-wheeled minimalist car and tested the dynotest and fuel consumption.Obtained theperformance of LPG fuel engine with torque and maximum power at 6500 RPM of 15.2 Nm and 12.79Hp. Fuel consumption is 1 kg in a distance of 30 km or equivalent to Rp 188.89 per km.
Optimasi Parameter 3D Printing Terhadap Keakuratan Dimensi dan Kekasaran Permukaan Produk Menggunakan Metode Taguchi Grey Relational Analysis Andik Aris Setiawan; Bayu Wiro Karuniawan; Nurvita Arumsari
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 process of 3D printing using FDM (Fused Deposition Modelling) technology have many disadvantages, which are per layer product building system, different material properties and undefined parameters that makes it difficult to produce an optimum product quality. Therefore, the user of FDM technology 3D printing machine must do a research to achieve the correct parameter to have the optimum quality. In order to have the optimum product quality a research of parameter using optimization method is required. In this research, an experiment of specimen printing using 3D FDM technology 3D printing machine is done, the material is PLA (polylatic acid) with various different combination of parameters. The experiment is done in accordance with the experiment design designed with Taguchi Grey Relational Analysis method, combining two responses in one process to achieve the optimum parameter. After the optimum parameter is predicted, a confirmation experiment is conducted to prove that the parameter is correct and optimum. The result of this research are parameters with level of (A)1, (B)2, and (C)1 which is (A) 20 mm/s printing speed, (B) 210o C printing temperature, and (C) layer height resulting in 99% average dimensional accuracy and average roughness value of 11 µm. Therefore, it is concluded that the best 3D printing parameter is that of low level
Penentuan Critical Waste pada Produksi Camshaft Menuju Lean Manufacturing Process Ira Anggraeni; Anda Iviana Juniani; Mochammad Choirul Rizal
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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Industrial development has changed to industry era 4.0. This condition can’t be separated from the development of industrial engineering science, especially, lean manufacturing. The industry era 4.0 and lean manufacturing provide the right combination to improve productivity, particularly in camshaft production process. This study aims to identify waste by using the value stream mapping method, followed by the selection of tools that will be used to identify waste in detail. Next is to determine the most critical waste by using the method of borda, after which the most critical waste is analyzed using a fishbone diagram for further improvement proposals. From the results of the Process Activity Mapping analysis, the percentage of VA activity was 35%, NVA activity was 3% and NNVA activity was 62%. Based on the most critical waste borda method occurs in waste motion, waiting, and motion. Some of the causes of these three wastes include the remaining oil that drips on the production floor, the lack of transportation equipment used as raw material delivery equipment and lack of labor in the unpacking division. And the proposed improvements that can be given are providing transportation equipment in the form of conveyors, replacing transportation equipment using a forklift and providing additional labor.
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.
Analisa Perhitungan Harga Pokok Produksi Bogie 1014 dengan Metode Time Driven Activity Based Costing (TDABC) Analysis (Studi Kasus Pada Perusahaan Manufaktur Alat Transportasi) Rinda Wahyu Aningrum; Renanda Nia Rachmadita; Aditya Maharani
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 companies engaged in manufacturing is a transportation manufacturing company.This company produces transportation equipment in the form of train. In the calculation of cost ofgood’s manu acturing, the company has not considered all the activities that may incur costs. This isstill not accurate and yet detailed. Calculation o cost o good’s calculation sold greatly a ectthe selling price and the profits earned by the company. The calculation of cost of goods manufacturedwill be more accurate when using Time Driven Activity Based Costing (TDABC) method. Time DrivenActivity Based Costing (TDABC) is a method used to determine the cost of production that uses twoparameters in the determination, which is the time required to perform a process and the cost of eachunit capacity. On the other hand, TDABC method uses times cost driver so it can give more effectiveresult and does not cause distortion of cost because time is assume cost. In addition TDABC canimprove the quality of decision making so as to help the management improve it’s strategic planning.TDABC allows management to charge resource cost directly to the cost object. The calculation of costof goods manufacturing using TDABC method obtained value Rp 52.169.080,49 per unit. Profitproduct is obtained from the target profit desired by the company. This causes the cost of productiongreatly affect the amount of profit.
Perancangan dan Pembuatan Mesin Roll Press Cutting Otomatis Penggiling Adonan Mie Rosita Dewi Pratiwi; Tri Tiyasmihadi; Pranowo Sidi
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 supporting factors in making noodles is the milling machine. The most modern grinding machine is a motorized noodle grinding machine. But the working process is not optimal because the process of piping and cutting the dough goes apart. Therefore, the automatic noodle grinder dough grinding press press machine (MRPCOPAM) was made. MRPCOPAM has an automatic work process, where the flattened mixture will run directly into the cutting roll. The motor used is a single phase AC motor with a rotating speed of 2800 rpm, which is then reduced to 35 rpm with the help of a 1:80 gear box. The piping roll used is Ø25 mm and the cutting roll is Ø17 mm. The main gear pitch pitch is 18.75. Rear gears for the piping roll have a pitch of 27mm. Rear gears for cutting roll pitch 15mm in diameter.
Penentuan Harga Pokok Produksi Aircraft Cabin Part (Pocket Spring) Dengan Pendekatan Time Driven Activity Based Costing (Studi Kasus Pma Unit Gmf Aeroasia Tbk.) Ahmad Rizal Fawzi; Renanda Nia Rachmadita; Aditya Maharani
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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GMF Aeroasia Tbk. merupakan sebuah perusahaan jasa yang berjalan dibidang repairing dan maintenance pesawat. Salah satunya adalah pocket spring. pocket spring berada dibagian belakang kursi penumpang yang berguna untuk rangka tempat penyimpanansafety book aircraft. Selama ini barang tersebut biasa diimport dari luar negeri dengan harga yang cukup mahal juga dengan waktu pengiriman yang tidak singkat. Secara perlahan PMA (Parts Manufacturer Approval) mencoba untuk memproduksi sendiri pocket spring. Akan tetapi untuk menentukan harga produksi PMA masih menggunakan metode konvensional. Time Driven Activity based Costing menawarkan solusi untuk menghitung harga pokok produksi menjadi lebih akurat. Harga pokok produksi dapat dihitung dengan mengetahui terlebih dahulu biaya kapasitas produksi dan kapasitas sumber daya yang digunakan. Untuk biaya langsung dapat langsung diketahui namun ,untuk biaya tidak langsungnya dilakukan pengamatan secara langsung terhadap model estimasi unit per waktu Harga pokok produksi pocket spring yang ditetapkan oleh perusahaan mengalami undercosting atau terlalu rendah kurang dari seharusnya. Metode konvesional perusahaan menetapkan hasil Rp. 202.0458,00/pcs, sedangkan metode time driven activity based costing mendapatkan hasil sebesar Rp. 209.877,00/pcs. Laba produk ditentukan dari markup percentage yang didapat dari target profit perusahaan dibagi dengan hasil kali volume prosukdi dengan harga pokok produksi. Hal ini yang mengakibatkan harga pokok produksi sangat mempengaruhi besarnya laba.
Analisis TPM pada Mesin Press Fine Blanking 1100 Ton dengan Metode OEE di Perusahaan Manufacturing Press Part Muhammad Johan Rifa’i; Bayu Wiro Karuniawan; Fipka Bisono
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 East Java there is one company that is engaged in Stamping Press (Precision StampingParts and Fine Forming Part) which supplies several automotive manufacturing industries inIndonesia. In this company has a 1100 Ton Fine Blanking machine. The machine is still experiencinga lot of breakdown so that in this research will look for factors that affect the time of breakdown andis expected to increase the productivity of production activities. This research uses several methodsnamely OEE, RCA, and FMEA. The measurement of Overall Equipment Effectiveness (OEE) valuewill be used as the basis for improvement efforts and increase the effectiveness and productivity of the1100 Ton Fine Blanking machine. RCA is used to obtain a cause that greatly affects the decline inOEE values. While FMEA to prioritize the factors that require immediate improvement. By collectingrelated and calculated data, the OEE value is 48%. The value is not in accordance with the idealOEE standard value. Therefore a causal analysis is done and the results obtained is that dies problemis the most influencing in the decline of OEE values. One of the problems that often arise refers toRCA and FMEA is the occurrence of chipped on the main punch caused by the deformation of thematerial. So we get alternative solution to handle it by way of coating on main punch or replacematerial with higher grade.
Analisis Kekuatan terhadap Rencana Struktur Penyangga Helideck pada Bangunan Lepas Pantai Erlina Kusumawati; Muhamad Ari; Dhika Aditya Purnomo
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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Exploration activities of the oil and gas are done in a long time, and usually this activities is done in deep sea and far from the maindland. To facilitate transportation then used helicopter, therefore the rig must be equipped with a helideck for helicopter landing. Helideck and the support structure are important elements of safety because of its role in emergency evacuation and normal operations. To meet the safety factor, helideck must have strong supporting structure, in accordance with the permitted material. So we need examine about the strength of plan support structure by doing load calculations as well as load simulation by Finite Element Methode when helicopter landing under normal conditions and emergency conditions. From the simulation and analysis results, it is known that the maximum stress applied to the helideck support structure when helicopter landing under normal conditions is 54,88 MPa and under emergency conditions is 65,22 MPa. The maximum deflection occuriing in the helideck support srtructure when helicopter landing under normal conditions is 14,45 mm and under emergency conditions is 17,19 mm. The helideck support structure is safe according to the criteria, since the safety factor simulation results when helicopter landing under normal conditions is 4,9 and under emergency conditions is 4,2 and the maximum deflection value that occurs is bellow the maximum allowable deflection value
Optimasi Parameter Proses Blow Moulding Terhadap Ketebalan dan Dimensi Snap pada Botol dengan Metode Taguchi Grey Relational Analysis Miftah Ahsanul Anhar; Fipka Bisono; Nurvita Arumsari
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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Blow molding is a method of printing hollow workpieces by blowing air into a molded material. From the results of the process, the specification of a product must be met by the manufacturer in fulfilling orders from the customer. The thickness of the bottle wall and the snap dimension is one of the most difficult specifications to be controlled on a 500 ml chemical bottle product. This will be resolved if the machine operator knows the optimal combination of parameters at the time of operation. In this experiment the method used is Design of Experiments with Taguchi Gray Relational Analysis method approach to get the combination between two responses taken to obtain optimal parameters. By doing a total of 27 experiments ,the experimentd were implemented on a 500 ml chemical bottle product as per specified specification. Data were collected using a digital microscope for wall thickness and dimensions vernier to snap. The result of analysis with Taguchi Gray Relational Analysis method shows that the parameters which have significant effect on wall thickness and snap bottle dimension are blowing pressure and blowing time. While the parameter of melt temperature and stop time have less significant effect. The optimal parameter setting is blowing pressure of 9 bar, melt temperature of 260 ° C, blowing time for 7 seconds and stop time for 2 seconds.

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