An optimally functioning headbox allows everything else in the tissue making process to function at its best, with high runnability and quality. Thus, any work done to improve headbox performance actually helps the whole production line. This is what Metso’s Headbox services are designed to do.
Analyzing headbox problems
Many headbox problems appear slowly without clear indications. If slight performance variations are noticed, operators may make adjustments to counteract these. Despite these adjustments, the machine efficiency and tissue quality may still decrease, because without knowing the real causes of problems, corrective action can often make them worse.
Headbox services performed by Metso are only carried out after the exact needs of the headbox are first identified through expert testing and analyzing. It is important to realize that condition testing is not just a one-time service procedure, and that regular and specialized testing, analysis and service are essential for maintaining the optimum condition of the headbox.
While we recommend that tissue makers test and analyze their headboxes regularly enough to prevent any unexpected malfunctions, Metso's headbox experts are also available to mills for troubleshooting, with the know-how to find and fix any headbox problem, and also ensure that future problems are spotted well in advance. It is also possible to establish a remote connection between the mill's control system and the Metso remote diagnostics center to speed up trouble shooting.
A headbox process and condition test by Metso includes the following items: