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Up & Running articles

Up & Running articles

10 of 106 documents
  • Jan 17, 2017

    Shared Journey Forward - Valmet's new services approach

    Valmet wants to be a valuable part of your team. This is reflected in our core commitments and unique services offering. Join us on a shared journey forward.

  • Jan 9, 2017

    Improving safety around recovery boiler operations

    The recovery boiler is a hazardous work area. Valmet has developed a number of innovative upgrades that reduce operator risk by automating and redesigning typical procedures. Explosion, combustion, hot gas, molten ash and burn risks are minimized.

  • Jan 3, 2017

    Aqua cooling improves calendering results

    Valmet's new aqua cooling technology makes the board end-product more lightweight, without compromising functional and visual properties. By ideally conditioning the sheet via effective web cooling, bulk can be improved at target smoothness.

  • Dec 20, 2016

    Field Report – SymSizer/OptiSizer beam setup

    SymSizer or OptiSizer beam setup is required after every applicator roll change or whenever you feel there is an issue with starch/coating application. The goal is to set the applicator beam parallel with the new applicator roll.

  • Dec 13, 2016

    Rick's Tips - Winding Principles, part 3

    When web tension and drum nip pressure are constant, drum torque will assure uniform or diminishing roll hardness from the core toward the outside of the rolls.

  • Dec 6, 2016

    Rick's Tips - Winding Principles, part 2

    The relationship between rider roll pressure and shipping roll hardness is neither simple nor direct. This second article in the Winding Principles series explores the interrelationship between rider roll pressure, relief pressure, roll weight and nip load.

  • Nov 29, 2016

    Rick's Tips - Winding principles, part 1

    This article is the first in a short series which will explain how web tension, rider roll pressure, and drum torque ratio affect roll quality. Illustrations of key components and control principles will be presented. The series starts with an overview and discussion of web tension.

  • Nov 22, 2016

    Cost-saving felt conditioning with perforated Uhle box cover

    Uhle boxes clean the felt by pulling water and fiber from the felt as it passes over the vacuum zone. Valmet's perforated Uhle box cover increases dewatering and reduces vacuum consumption in the press section compared to slotted covers.

  • Nov 15, 2016

    Rick's Tips - Winder danger zones

    Working in the winder area involves risk to operators and maintenance personnel. Although guards and warning lights and horns help to improve safety, workers must always be aware of the risks involved in each section of the winder.

  • Nov 8, 2016

    Field Report - 1 Mile Rule

    The "1 Mile Rule" is an interesting analogy regarding how machine direction length profiles affect baggy lanes. The greater the relative length differences are, the more severe the baggy lanes will be. Proper monitoring tools can help eliminate them.

Up & Running articles

10 of 106 documents