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1 Journal of Achievements in Materials and Manufacturing Engineering

1 2024

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Application of quality function deployment (QFD) and axiomatic design method for product design: study case compost waste product

Ishak A., Ginting R., Siallagan S.

Journal of Achievements in Materials and Manufacturing Engineering

2024

Vol. 122, nr 1

31--41

Purpose: In Tempe SMES, some organic waste was found, namely the remaining soybean milling. Unfortunately, waste management by the owner is to dispose of it or sell it to farmers for feed. The researcher proposes to create a product that can grind organic waste into fertiliser by designing compost waste products that produce fertiliser. Design/methodology/approach: QFD and AD approaches are used in product design. QFD is used to identify customer requirements as product features and examine technical qualities that are a priority for development. Meanwhile, the AD method is used to satisfy all functional needs. Findings: Based on the data processing results, some conclusions can be drawn as follows: Degree of Importance: all technical characteristics are important except for the length of assembly and the time of painting, which is quite important. All the technical characteristics are expensive. The results of the HoQ analysis show three characteristics of composter products have the greatest importance weight, namely: product composition with a significance level of 19%, strength of the circuit with a significance level of 18% and length of measurement with a significance level of 18%, the above requirements are then converted into functional needs or Functional Requirements (FR) in axiomatic design processing. The new design improvements show a decline in information content value by 0.0531. This shows that the design is better than the actual current conditions. Research limitations/implications: These two methods can be applied to other research to find another alternative creative solution in designing a new product. Practical implications: Combining these methods enables a new creative product design solution to be found. Originality/value: The combination method allows a product designer to design a new product with a better and higher value than an original product.