Know your OSHA and ANSI safety color codes for all hazards
Color coding is a brilliant safety idea because workers can tell at a glance - almost without thinking - that they’re facing a hazard and how bad that hazard is.
Insights ● ArticleKnow your OSHA and ANSI safety color codes for all hazards
Color coding is a brilliant safety idea because workers can tell at a glance - almost without thinking - that they’re facing a hazard and how bad that hazard is.
Insights ● ArticleYankee rebuild improves tissue quality, a case study analysis
Rebuilding a Yankee is a daunting decision, due to OSHA regulations for confined space entry and the significant cost of downtime. This mill was losing product due to poor tissue quality, and Valmet's service engineers assisted in the decision making process to rebuild the Yankee.
Insights ● ArticleAttenuators - operation, maintenance and troubleshooting
A pulsation attenuator, inserted in the stock approach piping, acts as a buffer for the headbox against pulsations developed by stock system components.
Insights ● ArticleA solution for jumbo roll bouncing in the secondary arms
A mill reported that their jumbo rolls were bouncing. This started after their reel's flattened secondary arm rollers were replaced with fresh, round rollers...
Insights ● ArticleForming section field services identify potential problems
Forming section services diagnose potential or actual problems and their solutions. Scheduled services ensure reliable, safe and efficient operation.
Insights ● ArticleIndah Kiat Perawang 50% time savings in doctoring, case study
When IKPP Perawang wanted to boost machine runnability and performance, they challenged Valmet's specialists to find potential areas for improvement.
Insights ● ArticleTwo front splicing methods and safety precautions with each
Two efficient winder front splicing methods are presented. Front splicing is more dangerous than rear splicing, i.e. nip hazards. One person should supervise.
Insights ● ArticleOff-machine coater splicing is affected by several parameters
Splicing efficiency on coaters averages about 98%. Variables that affect the splicing process include primary roll speed match, paster roll speed match, paster roll gap, paster roll pressure, paper caliper/hardness profiles, splice tape pattern and tail length.
Insights ● ArticleInstructions for safe removal of calender stack rolls and drives
Machine calender rolls are typically removed using a house crane and slings. This article presents typical stack roll removal instructions and safety. Always refer to original equipment supplier documentation and mill procedures for the actual procedures.
Insights ● ArticleExcellent results with suction box showering, rebuild case study
A newsprint mill in southern USA was losing suction in one of their suction couch rolls. A Valmet rebuild resulted in two years of run time with very little internal pulp buildup or seal strip wear.
Insights ● Article