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- Title
Influence of Surface Coating on Grip Comfort of Leather Steering Wheel.
- Authors
Kengoh, MURATA; Hiroyuki, KANAI; Wataru, KAMURA; Mika, MORISHIMA; Toyonori, NISHIMATSU
- Abstract
We investigated how the surface coating of leathers influenced 'touch feeling' and 'grip comfort' of leather steering wheels. Four leather sheets coated by different urethane coating materials and four steering wheels covered by these leathers were used as samples. Both 'touch feeling' of the leather sheets and 'grip comfort' of the steering wheels were evaluated by the paired comparison method. Then each mean preference score of 'touch feeling' and 'grip comfort' was examined by the principal component analysis. From the result, it was found that 'moisture' and 'smoothness' were identified as principal factors of 'touch feeling' and 'grip comfort'. And the physical properties (i.e. compression, friction, surface roughness, and q-max) of the leather sheets were measured. The relationship between the subjective evaluation (i.e. 'touch feeling' and 'grip comfort') and these measured physical properties were investigated. From the result, it was found that 'moisture' was correlated significantly with 'MIU/MMD' (MIU: mean coefficient of friction, MMD: mean deviation of MIU) and 'dry' was correlated significantly with 'Ra' (arithmetic mean deviation of the roughness profile). The measuring method of the physical properties was viable approach for the quantitative evaluation of 'grip comfort'.
- Subjects
SURFACE coatings; STEERING gear; LEATHER; HANDLES; URETHANE; PAIRED comparisons (Mathematics); SURFACE roughness; QUANTITATIVE research
- Publication
Journal of Textile Engineering, 2011, Vol 57, Issue 6, p139
- ISSN
1346-8235
- Publication type
Article
- DOI
10.4188/jte.57.139