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Shoe press users group discusses the latest developments

SPUG presents Valmet's latest shoe press developments as well as providing one-on-one Valmet assistance and a venue for mill personnel to share techniques. For example, Valmet Black Belt shoe press belt and Valmet Belt Roll Doctor shoe press roll doctor are technologies that were discussed at past SPUG events.

Steam and condensate system audit for tissue machine Yankee dryer

The steam input and condensate removal system is integral to the efficient and effective operation of your Yankee dryer. A system audit shows the current operating level and provides savings recommendations.

Easier boiler outages with Liquor to Liquor Shutdown Service

Planning and executing a boiler outage can be a major challenge. Valmet has created a new lean concept for liquor to liquor recovery boiler outages that is easy, fast and trouble-free.

Follow maintenance safety precautions while in the dryer section

Since dryer sections require use of high temperatures and pressures, they must be treated with caution. The nature of the dryers’ function and required operating care make it important that they be given close attention in the mill safety program.

Reading fluids circuit diagrams - hydraulic & pneumatic symbols

Reading hydraulic and pneumatic circuit diagrams and being able to make sense out of them is a valuable skill for mill personnel. The first article in this series presents fluid control elements.

Reading fluids circuit diagrams - hydraulic circuit examples

The previous article in this series introduced fluids (hydraulic and pneumatic) circuit elements. This article describes three example hydraulic schematic diagrams: cylinder movement, sizer applicator beam turning and pope reel secondary arm movement.

Reading fluids circuit diagrams - pneumatic circuit examples

The previous articles in this series introduced fluids circuit elements and presented example hydraulic schematics. This article describes two example pneumatic schematic diagrams: winder lowering cradle safety pins and winder belted threader operation.

Maintenance of reel primary and secondary reeling devices

In order to reliably build a parent roll with good structure for downstream processing, primary and secondary reeling devices must be maintained to guarantee smooth operation. Recommended maintenance and lubrication of a typical reel is presented in this article.

Preventive unwind stand maintenance reduces waste and downtime

The unwind is responsible for several functions in the finishing process, including supercalendering, coating, and rewinding paper into a denser, more stable roll. During operation, it endures constant tension, high speed and vibration, which slowly take their toll. So proper maintenance is essential.

Review of the types of roll misalignment and alignment methods

Alignment of rollers is critical to keep the web and fabrics running true without wrinkles and tight/baggy lanes. Where the rollers are determines how good the alignment must be.