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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 18 Documents
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Search results for , issue "Vol 8 No 1 (2024): Proceedings Conference On Design Manufacture Engineering And Its Application" : 18 Documents clear
Analisis Struktur Railing Overhead Conveyor Septiani Lestari; Mohamad Hakam; Mochammad Choirul Rizal
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 8 No 1 (2024): Proceedings Conference On Design Manufacture Engineering And Its Application
Publisher : Proceedings Conference On Design Manufacture Engineering And Its Application

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35991/cdma.v8i1.3105

Abstract

The manual material handling process has several disadvantages, including a large workforce and a relatively long time, which hinders the continuity of the next process. So material handling tools are needed in the form of overhead conveyors to simplify the material handling process. This research aims to analyze the strength and feasibility of optimal construction according to company needs. Concentrate on railing and support construction. Requirements data based on company requests with a load capacity of 200kg, track length of 75 m. The final conclusion is that ASTM A36 material is used which has high safety for the overhead conveyor railing construction. The results of the analysis of the railing and support construction show that the von Mises stress value in the construction is 73,85 MPa with a deflection value of 9.08 mm. Meanwhile, for the supports, the von Mises stress results were 5,53MPa and the deflection value was 0,14 mm. The accumulated stresses and deflections that occur in each planned construction, both from manual calculations and simulations, are declared safe, because the stress and deflection values ??that occur in the construction are below the permitted stress and deflection values.
Designing Stair Climbing Assistive Devices for the Elderly gusti ravi ali akbar; Bayu Wiro Karuniawan; Am Maisarah Disrinama
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 8 No 1 (2024): Proceedings Conference On Design Manufacture Engineering And Its Application
Publisher : Proceedings Conference On Design Manufacture Engineering And Its Application

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35991/cdma.v8i1.3114

Abstract

WHO estimates that the elderly population in developing countries will reach 75%, and in Indonesia it is projected to reach 19.9% by 2045. This increase in the elderly population raises various problems, one of the problems that arise is a decrease in mobility and independence of the elderly, which has an impact on their quality of life. One example of an activity that is a barrier, especially for the elderly, is the activity of going up and down stairs. This research focuses on designing stair climbing aids for the elderly that refer to ergonomic principles. By using the Ulrich design method and evaluating the position of the upper body using the RULA method. The design made in this study uses Autodesk Fusion 360 software and testing ergonomic aspects using Catia software. The results of the design found that design concept 2 is the selected concept with a safety factor value of 2.878, a stress value of 260.636 Mpa and is able to support a load of 272.14 Kg. The selected design also shows that the up and down stairs tool has a final RULA score of 3, so that it can reduce the chance of injury when using the tool. The total cost of making stairs up and down is obtained from the calculation of raw material costs and manufacturing costs. The raw material cost of making the stairs up and down is Rp. 468,000 while the manufacturing cost is Rp. 1,215,000, so the total cost for making the stairs up and down is Rp. 1,683,000.
Perancangan Mesin Penghalus Tanah Liat dan Pencetak Bata Merah Press MRH Khusus Industri Rumahan Maulana Akbar Pambudi; Fipka Bisono; Dhika Aditya Purnomo
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 8 No 1 (2024): Proceedings Conference On Design Manufacture Engineering And Its Application
Publisher : Proceedings Conference On Design Manufacture Engineering And Its Application

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35991/cdma.v8i1.3115

Abstract

Mojotamping Village is the center of the brick industry in East Java. In this village, almost 90% of the residents work as red brick makers on a home industry scale. However, the manufacturing process still uses less efficient methods. Based on these problems, a design for a clay smoothing machine and MRH red brick press specifically for home industries was created. The method used is the Ulrich method by creating 3 different design concepts by considering the specified criteria. Machine design begins with calculating machine component elements from the selected design concept as a reference in determining the size and material of the components for the clay smoothing machine and MRH red brick press machine specifically for the home industry, then designing what manufacturing processes are needed in making the clay smoothing and printing machine MRH red brick press specifically for home industries. This machine has a printing capacity of 300 bricks per hour, so if the operator runs this machine for 8 hours per day this machine can produce 2500 bricks per day. This machine is designed to use a 3 HP engine which is considered to have good fuel efficiency so it can reduce production costs when compared to existing products.
ANALISIS PENGENDALIAN PERSEDIAAN BAHAN BAKU MENGGUNAKAN METODE ECONOMIC ORDER QUANTITY (EOQ) PADA PERUSAHAAN INJECTION MOULDING Ivan Bagus Achmal; Farizi Rachman; Dian Asa Utari
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 8 No 1 (2024): Proceedings Conference On Design Manufacture Engineering And Its Application
Publisher : Proceedings Conference On Design Manufacture Engineering And Its Application

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35991/cdma.v8i1.3118

Abstract

CV. Anugrah Masrurah Teknik (AMT) is a company in the molding industry, especially Plastic Injection Molding, which produces interlock floors. The company often experiences a shortage of raw material inventory, causing uneconomical purchases and problems in the inventory and financial sectors. The main problem is raw material inventory planning that has not been maximized. This study uses the Economic Order Quantity (EOQ) method to identify the optimal purchase amount and prove whether this method can minimize the total inventory cost. The research objective is to determine the economic order quantity, order frequency, reorder point and safety stock. The results of the EOQ calculation show that the economic amount of raw material inventory is 1438 kg and results in cost savings of Rp. 17,157,133.
DESAIN ULANG DAN ANALISIS LEAF SPRING MITSUBISHI L300 MULTILEAF MENJADI PROGRESSIVE LEAF MENGGUNAKAN METODE ELEMEN HINGGA Zanuba Fitria Rachmah; Mohamad Hakam; Priyambodo Nur Ardi Nugroho
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 8 No 1 (2024): Proceedings Conference On Design Manufacture Engineering And Its Application
Publisher : Proceedings Conference On Design Manufacture Engineering And Its Application

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35991/cdma.v8i1.3126

Abstract

Redesigning the existing leaf spring design and analyzing it’s transformation from multileaf to progressive leaf using the finite element method is the focus of this research. The study aims to investigate the impact of these leaf springs when applied to the Mitsubishi L300. The primary objectives include understanding the stress influence, stiffness effects, and fatigue characteristics of both types of leaf springs. Simulation results indicate that the multileaf leaf spring design exhibits a stress value of 503.32 MPa, where Is the progressive leaf spring shows a stress value of 421.98 MPa. These findings suggest that the progressive leaf spring design efficiently distributes loads, thereby reducing potential damage. Regarding stiffness, the multileaf leaf spring design records a stiffness of 6,320 N/mm, whereas the progressive leaf spring exhibits a stiffness of 5,028 N/mm. Additionally, the fatigue life of the multileaf leaf spring is approximately 4.1 years, whereas the progressive leaf spring reaches 6.8 years. Based on these results, it can be concluded that the progressive leaf spring outperforms the multileaf leaf spring in reducing stress and extending fatigue life, despite having lower stiffness values.
Perancangan Ulang Tata Letak Fasilitas Dengan Metode Blocplan Pada CV. Anugrah Masruroh Teknik Muhammad Jordan Samudra Putra; Renanda Nia Rachmadita; Fipka Bisono
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 8 No 1 (2024): Proceedings Conference On Design Manufacture Engineering And Its Application
Publisher : Proceedings Conference On Design Manufacture Engineering And Its Application

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35991/cdma.v8i1.3200

Abstract

In a company, the arrangement of machinery and equipment affects production activities, especially the effectiveness of the production process time and the fatigue experienced by operators on the production floor. A good layout is a layout that is arranged based on the flow pattern of materials and equipment that is regular and effective. Based on observations made at CV. Anugrah Masruroh Teknik, the problem in this business is the placement of facilities that hinder the process of moving materials. The location of receiving materials inhibits the process of moving materials from one machine to another. This study aims to obtain a better layout to minimize the distance or minimize the distance of movement between production stations. The method used in this research is BLOCPLAN (Block Layout Overview with Computerized Planning Using Logic and Algorithms). The resulting 5 alternative layouts can be made which are then selected to determine the most efficient alternative layout based on the smallest material handling costs. The results showed an alternative layout resulting from the BLOCPLAN method with a minimization of the distance between facilities of around 68.5% and a reduction in material handling costs of around 68.3% of the actual layout. The redesign of the production facility layout of CV Anugrah Masruroh Teknik is considered effective using the BLOCPLAN method.
Pendekatan Lean Manufacturing Menggunakan Metode VALSAT Untuk Mengidentifikasi Waste Pada Produksi Kontruksi Baja (Studi Kasus Di PT. Ometraco Arya Samanta) Inge Ventarani Abdul; Farizi Rachman; Bayu Wiro Karuniawan
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 8 No 1 (2024): Proceedings Conference On Design Manufacture Engineering And Its Application
Publisher : Proceedings Conference On Design Manufacture Engineering And Its Application

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35991/cdma.v8i1.3205

Abstract

PT. Ometraco Arya Samanta which is engaged in steel manufacturing and civil engineering that produces project buildings. The company found a waste problem that occurred in the production process so that there was a delay in product delivery. In this problem, waste was found in the production process, the causes and alternative improvements that can increase the efficiency of the production process. This causes an inefficient production process, so by reducing waste it can increase production efficiency and company performance and productivity. Analysis of the Lean Manufacturing approach using the Value Stream Mapping (VSM) and Value Stream Analysis Tools (VALSAT) methods can help identify waste, analyze the causes of waste, and provide proposals in minimizing waste occurrence. The results of the calculation on process activity mapping with a result of 104.4, supply chain response matrix with a result of 55.5, production variety funnel with a result of 16.8, quality filter mapping with a result of 23, demand amplification mapping with a result of 35.1, decision point analysis with a result of 23.6, physical structure with a result of 23.4. From the results of the questionnaire distribution, the lowest results were obtained by waste environmental health and safety and waste over production and the highest results were obtained by waste motion, transportation, waste waiting. The main cause of waste is because the distance between the previous process and the next process takes a lot of time to move it, occurs because the material in the warehouse has run out and the delivery from the supplier is late, so workers are waiting for material confirmation. It is rare for sudden orders to customers in the middle of the production process that are not in accordance with the purchasing order (PO), causing the effect of delays.
Optimasi Parameter Mesin Laser Tube Cutting Terhadap Kekasaran Permukaan Dan Laju Pemotongan Pada Square Pipe ST 37 Menggunakan Taguchi Grey Relational Analysis Method Lintang Aditya Wardani; Farizi Rachman; Pranowo Sidi
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 8 No 1 (2024): Proceedings Conference On Design Manufacture Engineering And Its Application
Publisher : Proceedings Conference On Design Manufacture Engineering And Its Application

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35991/cdma.v8i1.3271

Abstract

CNC TruLaser Tube 5000 TRUMPF machine is used to perform cutting process in PT. Dempo Laser Metalindo. The quality of the cut product produced is required to have minimum roughness value, but in every cut result especially on Square Pipe St 37 material there is cutting defect. Cutting defect in the product result is surface roughness. Surface roughness can affect the cutting rate on the material, the solution to get cutting quality with minimal roughness and maximum cutting rate is to analyze the parameters that affect the response by optimizing the parameters. The parameter variables to be optimized are focus point, cutting gas pressure, nozzle distance, and laser power. This study uses Square Pipe St 37 material and the experimental design uses Taguchi Method combined with Grey Relational Analysis using orthogonal matrix L9 (34). From the results of the research that has been conducted, it was obtained that the most optimal combination of parameters for cutting rate and surface roughness is the focal point at level 2 which is 2 mm, nozzle distance at level 3 which is 1,1 mm, and laser power at level 3 which is 2700 W. The focal point parameter provides a percentage contribution of 38.60%, while the nozzle distance parameter provides a percentage contribution of 6.42%, and the laser power parameter provides a percentage contribution of 35.92%.

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