Good practices from South America in HSE performance
Taking care of health, safety and environment (HSE) to prevent injuries and other incidents is essential to the success of customer delivery projects.
Insights ● ArticleGood practices from South America in HSE performance
Taking care of health, safety and environment (HSE) to prevent injuries and other incidents is essential to the success of customer delivery projects.
Insights ● ArticleValmet reviews its sustainability agenda: participate in the survey
Valmet’s sustainability agenda was initially defined in 2014 and its action plans are renewed every three years. This year the whole sustainability agenda will be updated with detailed action plans for 2022-2024.
Insights ● ArticleWinders 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).
Insights ● ArticleStainless steel care, cleaning, surface prep and passivating
Stainless steel is corrosion resistant and maintains a film of chrome oxide over its surface. Under normal conditions this film is self-healing.
Insights ● ArticleOptimize 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.
Insights ● ArticleReading 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.
Insights ● ArticleReel backlash due to worn parts causes sheet breaks, case study
Sheet breaks on PM1 are costing thousands of dollars. Valmet emergency service discovers backlash and further analysis provides temporary and long-term fixes.
Insights ● ArticleTroubleshooting 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.
Insights ● ArticleSolutions 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.
Insights ● ArticleCommon hydraulic valves – cartridge counterbalance valves
Counterbalance valves prevent oil from leaving a cylinder that is holding a load. Without them, loads would move uncontrollably if oil pressure is lost.
Insights ● Article