b'Figure 13. Wear rate as a function of Yankee surface versus blade type.A cautionary note here; althoughpast, the ceramic or high-performanceLikewise, a slightly higher blade not in this data, the use of part wornblade/metallized Yankee gives thestickout (within reason) will high performance crepe blades in thelowest wear rate with all that impliespromote slower wear rate.25mm cleaning position is not recommended.for creping performance. 1 would be a good optimum, The tip will already be degraded andexcept for specialist self-profiling may well conform to hard coatingOther data from the study is worthblade holders such as BTGs areas on the Yankee in its wearnoting in summary: CBC, where a lower stickout is profile, and even with an anglerecommended.The usechange will have limited cleaningUsing MAP as part of the coating of parteffectiveness.mix generally gives a positiveTHE FUTURE: MULTIVARIABLE MODELLINGworn highimpact on blade wear, aroundSo far, we have looked at simple linier performanceThe Yankee surface and blade 25% slower wear rate at aroundmodels.However, we know that crepecombination has a very major impact0.5- 1 mg add-on.The use oftissuemaking is a far more complex blades inon the useful life of a blade, asphosphate in quantity as a bindersubject than simple models would the cleaningdefined by wear rate (figure13)layer directly onto the Yankeesuggest.By taking advantage of position is notafter regrind or polish is alwayssoftware able to calculate multivariable recommended. Clearly, and as often reported in thehighly recommended. models, we can reassess some of this TISSUE TECHNOLOGY INTERNATIONAL45'