Effect of Scoring Condition on Creasing Characteristics of Double-Wall Corrugated Board

Effect of Scoring Condition on Creasing Characteristics of Double-Wall Corrugated Board

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A prototype-rotary creaser was experimentally applied to an AB double-wall corrugated fiberboard to reveal creasing characteristics of the corrugated fiberboard and mechanical factors on failures of its height wise crease.Through this neflintw-r6mpw work, the followings were obtained.(1) There are appropriate combinations of pre-creaser gap and main-creaser gap for restricting the failure occurrences in the inside liner; (2) The pre-stage creasing for crushing 9x11 pergola corrugated medium was severely necessary for reducing the failures of the inside liner and performing the high-precision positionment for bending; (3) Dependency of water content and feed velocity on the failures of the inside liner was revealed.