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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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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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Abstract

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%.
Pengaruh Penggunaan Adhesive Agent terhadap Kekuatan Bending Komposit Sandwich Berpenguat Serat Daun Nanas - Bagasse Galuh Anitasari; M. Miftachul Munir; 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 growth of ship production in Indonesia encourages the shipping industry to utilize the composite material in order to be more efficient. Natural fiber-reinforced composite (NFRC) is one option that should be considered for use. NFRC is considered safer than fiberglass, which could trigger several health problems. Sugarcane and pineapples are one of the most common agricultural commodities yet their waste has not been treated optmimally. This research is going to analyse the effect of reinforcement powder size on its bending strength in pineapple leaf fiber – baggase reinforced sandwich composites as the alternative materials for partition wall in ship interior accommodation room. Sandwich composites were reviewed for their bending strength on specimens with and without adhesive agent using 40 mesh reinforcement powder size. The composite was made using the hand lay-up method with skin composition is 20%;80% and core composition is 25%:75%. The highest bending strength for sandwich composite is 49,23±1,04 MPa as a result of the experiment using adhesive agent. Meanwhile the lowest bending strength is 44,66±2,45 MPa as a result of sandwich without adhesive agent. Composite material with the highest bending strength value could be applied as the material for partition wall in the ship interior accommodation room according to SNI 01-4449-2006.
Pengaruh Kombinasi Serat Karbon-Serat Sabut Kelapa Terhadap Kekuatan Impact dan Bending pada Aplikasi Helm Sepeda Motor Fajar Andi Nugroho; Mohamad Hakam; 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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Coconut coir fiber is a fiber derived from coconut shell waste which has economic value, is easy to process and easy to develop for the environmentally friendly composite industry, especially for motorcycle helmets. Carbon fiber is a synthetic fiber made of polyacrylonitrile, a study was conducted to see the response of variations in coconut fiber and carbon fiber layers on the impact and bending strength of composites used for motorcycle helmet applications. The use of synthetic carbon fiber in this composite provides several advantages including high tensile strength, relatively lighter weight, and low thermal expansion so that when combined with natural fibers, in this case coconut fiber, it will increase its structural strength. In this study, the bending strength of 50.765 MPa and impact strength of 0.038 J/mm2 were produced. The two highest values from each of these tests were obtained from the composite composition using 3 layers of carbon fiber and 2 layers of coconut fiber.
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%.
OPTIMASI PARAMETER PROSES LAMINASI DALAM PEMBUATAN KAYU LAMINA MENGGUNAKAN METODE RESPONSE SURFACE DAN GOAL PROGRAMMING Oktaviana Vara Ika Putri; Bayu Wiro Karuniawan; 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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Kayu laminasi adalah sebuah bahan baku pengganti kayu solid pada industry manufaktur meubel. Agar kulitas produk furniture yang dihasilkan tidak terdapat rongga dan celah sambungan maka harus ada perhatian khusus terhadap parameter laminasi, seperti presentase kuat rekat dan massa jenis. Hasil kayu laminasi yang diharapkan adalah kayu laminasi yang memiliki presentase kuat rekat lebih dari 50% dan memiliki nilai massa jenis yang sebesar - besarnya. Faktor yang akan dianalisa terhadap dua respon tersebut adalah heating time, pressure, temperature. Proses analisa pada penelitian ini menggunakan metode response surface. Dengan mengaplikasikan Box-Behnken Design untuk desain eksperimen penelitian dan menggunakan ANAVA untuk menganalisa data. Kemudian persamaan – persamaan tersebut diolah menggunakan Goal Programming agar mendapatkan hasil yang optimal. Hasil dari penelitian ini adalah Temperature memiliki pengaruh terhadap respon kuat rekat, dan Heating Time memiliki pengaruh terhadap respon massa jenis. Dengan hasil optimal yang diperoleh adalah Temperature 35,27 C, Heating Time 102,12 detik, dan Pressure 800,1 psi. Dengan optimasi respon yang dihasilkan adalah 51% untuk respon kuat rekat dan 0,3 gr/m3 untuk respon massa jenis.
Analisis Pengaruh Variasi Komposisi terhadap Kekuatan Tarik Komposit Serat Sabut Kelapa Zidane Al Bayan Sulaksono; Fais Hamzah; 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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One of the transportation supporting the economy in Indonesia is the ship. The government prioritizes the maritime sector in national development, which has a positive impact on the domestic shipping industry in the production of ships with various raw materials being developed. Fiberglass is a type of FRP (Fiber Reinforced Plastic) reinforcing fiber. In the manufacture of FRB (Fiber Reinforced Boat), fiberglass is an important part, its texture is light, and sharp, easily blown by the wind and can be inhaled into the breath which is not good for health. Indonesia is overgrown with coconut plants, parts of the coconut plant have many benefits, but coconut coir is less used, and is considered a waste that accumulates under coconut plants and is left to rot, therefore it is necessary to use coconut coir as an alternative to natural fiber from coconut coir. Synthetic fibers in the manufacture of composites. In this study, a study was conducted on the effect of composition on the tensile strength of coconut fiber reinforced composites, using a fiber delignification time of 45 minutes and the variation of fiber composition was 20%, 30% and 40% based on volume fraction. Coconut coir fiber is carried out by delignification process using NaOH solution with a concentration of 5% for 45 minutes. The composite with the highest tensile strength was 40% fiber composition, which was 60.96 ± 6.36 MPa. While the lowest tensile strength with a fiber composition of 20% is 31.88 ± 9.51 MPa.
Optimasi Pengaturan Parameter Bubut pada Material SKD 11 terhadap Kekasaran dan Material Removal Rate Menggunakan Metode Taguchi Grey Fuzzy Anita Nuryanti; Pranowo Sidi; 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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Within the increasing of competitive and demand for quality product in the market place, therefore the demands for quality for metal cutting are getting higher, one of them are turning process. The quality of the product can be seen from the surface roughness and material removal rate. Surface rougness have a affect in functional product. The more smaller in roughness, the quality is more better. Material removal rate in the machining process is very important because it relates to dimensional accuracy in tool, dies serta mold. This research using parameter related to turning such as spindle speed, feed rate and depth of cut for material SKD 11 using chisel CNMG. The analysis was performed using Taguchi Grey Fuzzy methd by combining two responses of surface roughness and material removal rate. The result shows that, feed rate, spindle speed and depth of cut has no significant effect to surface roughness and material removal rate. The percent contribuion od feed rate 0,086% depth of cut 15,44% and spindle speed 5,216%. The optimum combination of parameters
Analisis Pengaruh Penambahan Senyawa Fire Retardant terhadap Sifat Ketahanan Api, Kekuatan, Keuletan, dan Kekakuan Glass Fiber Reinforced Polymer (GFRP) Jasillatul Hikmiyah; Wiwik Dwi Pratiwi; 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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Glass Fiber Reinforced Polymer (GFRP) is one type of material is widely used in manufacturing land transportation components, especially is train. The requirement of material for thetrain must be fire resistance. But in the other hand the GFRP material is still have weakness in high temperature. So, in this case it can provide an opportunity to take experiment about the GFRP material. The experimental method to improvement of GFRP material is adding additive fire retardant as a filler. The additive fire retardant used as a filler is magnesium hydroxide. The method for making specimens of GFRP fire retardant using hand layup method. GFRP which has been added with magnesium hydroxide is tested for fire resistance according to the ORE B 106.2 standart and the tensile strength according to the ASTM D-638 standart. The results show that after adding 30%, 35%, 40%, 45%, and 50% magnesium hydroxide by weight of polyester resin can increase the fire resistance of GFRP. The addition of magnesium hydroxide in the polyester resin caused reducing the tensile strength and modulus of elasticity. Fire resistance, tensile strength, elongation, and modulus of elasticity obtained optimum at the addition 35% magnesium hydroxide by weight of polyester resin. The result show that the carbonized surface of 68,67 cm2, time afterburn was 3,6 second after the flame has been extinguished, tensile strength of 70,86 MPa, elongation of 11,92%, and modulus of elasticity is 5,96 MPa. Therefore, GFRP with the addition 35% of magnesium hydroxide can be fire resistance, but it can't be used as an interior of the train because the tensile strength is less than standart.
PERBANDINGAN KEKUATAN STRUKTUR SAMBUNGAN HYBRID FRP – STEELMENGGUNAKAN ANALISIS ELEMEN HINGGA Syahira Diphda Elvira; Budianto Budianto; I Putu Sindhu A
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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FRP is a type of composite material consisting of a polymer resin matrix reinforced with glass or carbon fibers. Fiber Reinforced Polymer (FRP) material is a new alternative in structural planning that has the advantage of a very high strength to self-weight ratio. This final project, is comparing the structural strength of joints with adhesive also joints with adhesive and mechanical fastener (bond / bolts). The connection uses Fiber Metal Laminate components which are laminated by sandwich method and the adhesive used is epoxy resin. The comparison of normal and shear stress values between the design of joints using adhesives and joints with mechanical fastener shows that the normal stress and shear stress values of adhesive joints with mechanical fastener are higher than adhesive joints, the values are 311.1 MPa and 366.2 MPa. Joints with adhesive and mechanical fastener have shear stress and normal stress higher than the value of shear stress and normal stress in joints without mechanical fastener
Analisis Penyusutan Produk Karet O-Ring Hasil Proses Compression Molding dengan Metode Taguchi Risdyani Nabila Basyasyah; Bayu Wiro Kurniawan; Farizi Rachman
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 rubber products industries of the automotive sector are rapidly growing in Indonesia. In the manufacturing process, rubber products are often produced with compression molding because it is cost-saving. Manufacturers of rubber products are facing an obstacle in shrinkage but often ignored because it is still in minor data. Based on this, research analysis of O-Ring shrinkage was carried out. The purpose of this research is to obtain low shrinkage results from the right combination of parameters and the influence of those parameters. The parameters in this research are the type of rubber compound, press time, and heating temperature, while the response variable is shrinkage dimensions of small, medium, and large sizes O-Ring products. The experimental design and analysis were determined based on Taguchi's method. The results oif the analysis for Small O-Ring responses showed the parameters of the optimum condition process were obtained using the TO compound, 10 minutes press time, and 165°C heating temperature. For medium O-Ring responses, the TO compound, 10 minutes press time, and 185°C heating temperature were used. For large O-Ring responses used PPS compound, 10 minutes press time, 185°C heating temperature. As for the contribution of eachparameters for small, medium and large O-Rings, respectively; the type of compound is 25.334%, - 4.5571%, 5.9050%, press time 13.615%, -8.067726%, 17.7376%, heating temperature -3.758%, 19.772%, 59700%.

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