著者

塩屋 幸博 鈴木 信昭 星川 雅宥

出版者

紙パルプ技術協会

雑誌

紙パ技協誌 (ISSN:0022815X)

巻号頁・発行日

vol.36, no.6, pp.629-641, 1982

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It has been known that molding characteristics were important factors which contributes to compressive properties among various ones forming the compressive properties of a corrugated fiberboard container. In this study, sources of the vibration on the high-low corrugation as well as the relation between the high-low corrugation and physical properties of corrugating medium were investigated.<BR>The results showed that the resonance of the vibration clearly existed at the velocity of 130 m/ min on the single-facer, and that the vibration remarkably influenced a high-low corrugation. It was also found out that the bite of corrugator rolls mainly caused the vibration. The frequency (f) of the vibration is represented as f=n (number of the gear) &times; (revolution of the corrugator roll), here n is integer. It was clarified that the resonance occured when the frequency became near or agreed with the natural frequency of the corrugator roll.<BR>The evaluation of high-low corrugation aptitude for various corrugating medium becomes possible when evaluation system of high-low corrugation was estabished. It was found that physical properties of corrugating medium greatly influenced high-low corrugation. And further, caliper inversely related to the density of corrugating medium, and related to the thickness of it.