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Webinar presents ways to improve safety around the winder

The batch process occurring five to ten times per hour at the winder represents one of highest potential areas of danger in the mill for operators and maintenance personnel. A free webinar on August 3rd, 2016 explored ways to mitigate this risk. The webinar is now archived and available for playback.

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.

Winders require a consistent preventive maintenance program (PMP)

Sheet breaks at the winder can bring the entire papermaking process to a stop. To prevent this, the winder needs constant attention through a sound preventive maintenance program (PMP).

Optimize operations with a Roll Cover and Maintenance Agreement

Sending rolls to multiple suppliers can be expensive, cause a loss in continuity and create extra burdens for roll management. A roll agreement will help.

Troubleshooting roll bouncing addresses the four probable causes

Roll vibration can intensify enough to actually bounce the rolls, causing an unsafe situation at the winder. The most common causes are mechanical hardware, controls, roll structure and paper properties. Thorough troubleshooting is the best recommendation.

Solutions to multiple poly roll cover failures, a case study

After blowing two expensive roll covers, a mill asked Valmet to investigate. After checking roll history, nip impressions and coolant, the culprit was an inexpensive part.

Common fluids valves explained: Cartridge pressure relief valve

Pressure relief valves are used to prevent over pressurization in the hydraulic circuit. They are located close to the pumps and reservoir tank or close to the equipment to safeguard from over pressurization.

Journal inspection, dryer bearing fit and internal clearance

After a dryer front bearing has been removed, the bearing fit and new bearing to be installed internal clearance should be inspected. The following procedures cover journal and bearing inspection.

Field Report - Minimizing paper curl

Paper curl is critical for many grades of paper, such as copy machine paper, papers that get coated and printed on and multi-layer paperboard grades.What causes curl and how can it be minimized?

Size press roll wear causes reel wrinkles and culls, a case study

A P&W paper machine suffered from excess wear on the back edge of the bottom size press roll. The problem was traced to the size press synchronization shaft. When the shaft was replaced, the roll wear problem went away.