Roller Alignment - Standards

摘要

Published roller alignment guidelines are almost nonexistent in the web industries and are largely confinedto internal publications of very few machine builders. Furthermore, those standards were based on whatthese builders could do rather than necessarily what they should do; sometimes resulting in excessivemaintenance costs. Worse yet, almost all builders are silent on the subject of alignment; at times causingexcessive waste and delay due to problems such as mis-registration, web breaks and wrinkling. What thisarticle seeks to do is to define maximum allowable misalignment tolerances based on web handling modelsand principles.