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Web shifting - base paper, misalignment, free span and process

Web shifting can be caused by the paper or by something mechanically wrong in the web path. This article presents typical causes of sheet shifting. Most have to do with alignments, but base paper, drying and coating also have great impact.

Hot water modules for calender rolls, recommended maintenance

Calender rolls are heated via heating modules to provide low-variance accurate roll temperatures. Follow these hot water module maintenance best practices.

Avoid common workplace injuries by using safe material handling

Most workplace injuries (almost 60%) are the result of common, everyday missteps such as overexertion and slips/trips/falls - not from violent events.

Sixty years of Valmet in South America

Valmet recently celebrated 60 years of successful business in South America. We talked to Celso Tacla, President of Valmet, South America, to find out more about Valmet’s history and strengths in the region, and how the market has developed over the years.

Kappa QC controls stabilize pulp bleaching

Stora Enso's Imatra Mills in Finland consists of two production units: Kaukopää and Tainionkoski. In the latest advance at the Kaukopää mill, Valmet has introduced its latest concept in the form of stabilizing controls for the entire bleach line.

Augmented Reality Re-defines Predictive Maintenance

Visualizing mill repairs through wireless measurements, smart phones, smart glasses and cloud computing will revolutionize maintenance prediction and lower costs.

Valmet IQ quality control system at Metsä Tissue’s Mänttä mill

"The new scanner and measurements operated right from the word go and we were back in production."

Maximum equipment performance through modular service solutions

Modular service solutions offer pulp and papermakers clearer choices for the maintenance of all rolls and equipment for fiber production.

Smoothing the way at Skoghall

One cleaning shutdown eliminated every six weeks at Stora Enso’s Skoghall board machine.

Effect of composite roll cover hardness on calendering

Every now and then the question arises of whether paper producers can improve end product quality by using softer composite covers in the calender section when dealing with bulky grade calendering, such as wood-free or liquid packaging board grades.