Valmet's seasonal donation to Save the Children
In the spirit of the holiday season, Valmet continues the tradition to support selected global humanitarian and conservation organizations.
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A brief introduction to machine vibration analysis techniques
Mills conduct vibration analysis as part of their preventative maintenance programs. The goal is to determine how severe the vibration is and to identify the root cause in order to correct the problem before some type of failure or customer complaint occurs.
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Roll service agreement increases reliability at Savon Sellu
Close partnership with Valmet increased cost efficiency and roll availability at Savon Sellu via a roll agreement. Roll running times were doubled. Virtual roll IDs clearly identify which roll is being serviced.
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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.
Insights ● Article
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.
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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.
Insights ● Article
Troubleshooting tips for primary and secondary reeling devices
The following are general troubleshooting tips for the primary and secondary reeling devices. Chronic problems and their symptoms are described, as well as probable causes and corrections.
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Sources and solutions for several common doctoring problems
One of the main causes for doctoring problems is the loading tube, which may be kinked, leaking or incorrectly pressurized. Additionally, there are a number of failure points such as pivot brackets, pivot rods, blade wear and sequencing.
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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.
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Troubleshooting headbox corrosion, plus an analysis case study
Imperfections in a headbox's finish interfere with fiber flow through its chambers, resulting in sheet uniformity problems and a poor end product. A process and condition test can identify problems caused by corrosion, fiber orientation and machine limitations.
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