Abstract
This study investigated the relationship between a subject’s evaluation of injection molding machines (IMMs) and formal design features using Kansei engineering. This investigation used 12 word pairs to evaluate the IMM configurations and employed the semantic differential method to explore the perception of 60 interviewees of 12 examples. The relationship between product feature design and corresponding words was derived by multiple regression analysis. Factor analysis reveals that the 12 examples can be categorized as two styles—advanced style and succinct style. For the advanced style, an IMM should use a rectangular form for the clamping-unit cover and a full-cover for the injection-unit. For the succinct style, the IMM configuration should use a beveled form for the safety cover and a vertical rectangular form for the clamping-unit cover. Quantitative data and suggested guidelines for the relationship between design features and interviewee evaluations are useful to product designers when formulating design strategies.
Highlights
The product development trend is changing to a useroriented development, i.e., user feelings are recognized as invaluable during product development
This work applied the Kansei engineering approach to investigate the relationship between images of injection molding machines (IMMs) designs and design features
The semantic difference method was utilized to explore the recognition of 12 examples of product configurations from 60 interviewees
Summary
The product development trend is changing to a useroriented development, i.e., user feelings are recognized as invaluable during product development. Designers must consider user preferences and needs to increase product success. Product configuration is linked with user perceptions of products, and the resulting product is a reflection of customer philosophy and preferences. Product design is a process during which designers deliver a product design to customers via a product that satisfies user feelings and preferences. Opinions of designers and users typically differ. Mental concepts of users are often difficult to identify and, conesquently, a satisfactory product is difficult to design. Designing injection molding machines (IMMs) often lacks user feedback and relies heavily on technical specifications and imaginary targets of manufacturers
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