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All Journal PRODUCTUM : Jurnal Desain Produk (Pengetahuan dan Perancangan Produk) Jurnal Sistem Teknik Industri
Harahap, Akbar Gading Alfadli
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Arts Humanities Control & Systems Engineering Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering

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Combination Between Design for Assembly and Design for Serviceability Method in Concurrent Engineering: A Literature Review Harahap, Akbar Gading Alfadli; Ginting, Rosnani; Ishak, Aulia
Jurnal Sistem Teknik Industri Vol. 28 No. 1 (2026): JSTI Volume 28 Number 1 January 2026
Publisher : TALENTA Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jsti.v28i1.20505

Abstract

Increased competition in the industry encourages companies to focus on customer satisfaction to maintain competitiveness. The combination of Design for Assembly (DFA) and Design for Serviceability (DFS) methods is a common concern for researchers, especially in product development. This research describes the integration of DFA and DFS methods to solve product problems, starting from the method development stage, the interrelationship between the two methods, etc. The successful application of these methods is evident through high efficiency and improved product quality. Key factors involved management cooperation, use of quality tools, and teamwork. Leading journals highlight product cost reduction through Design for Serviceability and DFA techniques. Emphasis on sustainability, especially by integrating sustainability goals in product design, evidenced positive environmental impact and market response. Research also highlighted the need for identification and prioritisation of customer requirements and optimisation of production process parameters. The integration of modelling methods and design systems, such as in the development of a modelling system for metal casting processes, demonstrated success in achieving effective product development goals. Overall, this research provides an in-depth understanding of the potential and benefits of applying DFA and DFS in efficient, high-quality and sustainable product development, providing a foundation for further development and implementation by practitioners and researchers.
Perancangan ulang produk mixer dengan Metode Quality Function Deployment Harahap, Akbar Gading Alfadli; Ginting, Rosnani; Ishak, Aulia
Productum: Jurnal Desain Produk (Pengetahuan dan Perancangan Produk) Vol 9, No 1 (2026)
Publisher : Institut Seni Indonesia Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24821/productum.v9i1.17546

Abstract

The need for electronic devices has become essential for many people. Nearly all households have adopted their use in various functions and forms, which has consequently led to several issues. One such case involves mixer, an appliance specifically used in the culinary field for mixing dough. The research problem focuses on the weakening of the screw joint on the body cover due to strong vibrations and high-frequency usage. Additionally, the screw holes are too deep, making the assembly process difficult. Therefore, product design improvement is required using the Quality Function Deployment (QFD) Phase I and Phase II methods. This study aims to identify the priority of technical characteristics and critical parts in the mixer product using QFD Phase I and QFD Phase II. Technical characteristics refer to the distinctive features of the product that enable it to perform optimally, such as ease of assembly and the number of components relative to their level of complexity. The product’s critical part refers to the most essential and crucial component, namely, the body cover, which has the highest level of assembly difficulty and thus requires immediate improvement. The improvement proposed for the mixer involves changing the type of joint from the current bolt-based design to a snap-fit design, thereby reducing the number of components and assembly time for 2 units and 17,19 seconds respectively,  and enhancing ease of assembly based on the efficiency design calculation by 0,56%.
Co-Authors Aulia Ishak Rosnani Ginting