Measuring the actual diameter of the Yankee at various stations

Showing changes in Yankee profile – measured under working conditions

High speed measurement of cylinder run-out using lasers

On-the-run measurements will yield detailed information about the current condition  of the cylinder during production. 

JUSTIFIES YANKEE OPTIMIZATIONS.

Rely on data and facts, not on opinions, to plan for machine  efficiency improvements and maintenance: 

safety inspection according to TAPPI guidelines 
analysis of bearings & drives and balancing 
on-the-run measurements of shape and temperature profiles 
surface inspections and analysis 
internal inspections, doctor system checks
drying efficiency studies 
crown system calculations