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Roll maintenance

Roll maintenance for board and paper machines

Modular maintenance solutions provide maximum performance 

Valmet’s modular maintenance service solutions consists of maintenance, reconditioning and upgrade services. With a modular offering scope, roll maintenance services from Valmet is more flexible than ever. These clear offering modules can be mixed and matched to easily build the service combination you need thus saving both time and money. 

Benefits of modular maintenance service solutions:

  • Easy to build the service combination you need from the modules
  • Clear offering and scope
  • You only pay for the necessary work
  • You approve all additional work, including parts and repairs, before it is carried out

Valmet Maintenance Solutions

  • Maintenance services

The basic scope of the work is to ensure components are in acceptable operational condition, saving on long-term maintenance costs.

  • Reconditioning services

Thorough inspections of present component condition, an inspection report and proposals for possible additional work and part replacements needed to bring component to “as new” condition.

  • Upgrade services

Offering upgrades on existing components with modern features, based on customer needs, to enhance performance and productivity.

Your nearest service center can provide proper recommendations on which service module is best for you.

Valmet on-site roll services provide maintenance services, analyses and audits at the mill site to solve your problems and simply make your life easier.

From timely to condition based-monitoring

Monitoring based on iRoll nip profiles, vibrations and optimization data are some examples where roll condition information is analyzed. This provides security for our customers that technical solutions and recommended upgrades are based their actual needs and goals.

Save time and money with 360°Rolls

Valmet’s overall approach to roll services sees the bigger picture. Our 360°Rolls view takes into account the entire roll environment, for example, we focus on how the fabrics, roll covers and doctor blades perform together in the process.

Through a combination of extensive roll technology expertise and in-depth process know-how, modular maintenance solution eliminates unplanned shutdowns and maximizes roll maintenance intervals. 

Value added with 360°Rolls

Revenue

  • Improved roll performance through roll reconditioning or upgrades 
  • No production speed limitations relating to the mechanical condition of rolls
  • Maximum availability of rolls

Life cycle cost

  • Optimized roll maintenance intervals for reduced costs
  • Energy savings through roll upgrades 
  • Reduced number of roll failures in machine

Assets

  • Longer lifetime of rolls
  • Valmet can take responsibility for less frequent maintenance tasks requiring special expertise
  • No need to invest in expensive special equipment

Minimizing risks

  • Preventive maintenance planning for minimized risk
  • Availability of spare parts in the roll overhaul
  • Maintenance history available to support preventive actions to remove known risks

 

Articles

One plus one is more than two

One plus one is more than two

To ensure its paper machine roll reliability and availability, the Kerinci mill in Indonesia has entered a full-scope roll service agreement with Valmet, including a condition monitoring system. This is Valmet’s first roll service agreement combining roll maintenance and remote condition monitoring, and the results can already be seen in improved performance.

Maximum equipment performance through modular service solutions

Maximum equipment performance through modular service solutions

Modular service solutions offer pulp and papermakers clearer choices for the maintenance of all rolls and equipment for fiber production.

Precise roll grinding with 3D roll shape measurement

Precise roll grinding with 3D roll shape measurement

Every customer has their own particular dimensional tolerances for board and paper machine roll grinding. A fast, reliable and accurate 3D grinding process is vital to meet those specific needs. Valmet’s experts take advantage of the latest 3D technology to guarantee precise profile and roundness shapes.

360°Rolls -  performance up, costs down

360°Rolls - performance up, costs down

By questioning their current operating models, paper mills greatly increase the chances of success in the search for lower costs, better availability, and higher efficiency. Valmet’s 360°Rolls approach enables papermakers to achieve better results with a 360° view of rolls and the roll environment.

Value-added roll maintenance

Value-added roll maintenance

“New roll modernization designs help to save not only downtime but also energy costs", says Ed Vandeveire, Head of Agreements for North America.

Unique cooperation agreement with the Hallsta mill

Unique cooperation agreement with the Hallsta mill

A unique roll service agreement was signed at Holmen Paper’s Hallsta mill in Sweden on June 22, 2011. “We have exceptionally high expectations for this agreement – and I’m not just talking about the quality of roll grinding and improved maintenance,", says Daniel Peltonen, Technical Manager at Holmen Paper Hallsta.