Search results

Valmet iRoll Portable Press Analysis at Cartiere del Garda

Cartiere del Garda used Valmet iRoll Portable Press Analysis to resolve problems with moisture profiles, felt lifetimes and more.

Pilot trials - a reliable basis for successful business decisions

Mills use Valmet's Technology Centers for a selection of testing and pilot services which help eliminate risks related to business investments and decisions.

The mechanics, factors and prevention of size press orange peel

A common problem on film metering size presses is orange peel. Orange peel is caused when the coating film splits away from the coated sheet in the immobilized coating layer at the exit of the size press nip.

Common ways an OEM partner helps mills achieve their goals

Maintaining a strong relationship with a trusted OEM partner lets producers learn from the industry’s manufacturing legacy and keep operations moving forward.

Five best practices for roll performance and cover life

For optimum performance and to maximize cover life, keep covers clean, monitor and avoid high cover temperatures, check crown and avoid impact damage.

Reel primary arm synchronization avoids bottom jumbo reel losses

If you suspect that you are losing excessive paper on the bottoms of your jumbo rolls, the primary arms may be the culprit. Primary arm synchronization is critical for the reel to function properly during turn-up situations.

Suction roll bearing failure - monitoring and lubrication tips

One of the most sensitive components of the roll, the internal bearing is difficult to maintain and unforgiving when it fails. Accelerometers are an effective means of monitoring and predicting suction roll bearing failure.

Improved rope runs with minimum changes, two-machine case study

In this case study, two paper machines were rebuilt to improve their rope runs. The rope systems were made much more reliable by making a minimum of changes. Valmet changed the transfer philosophy from tear-off to tail-release. The results were less fouling of return runs and less debris.

Field services for optimized reliable stock preparation

Maintenance of stock preparation and approach flow systems optimizes their utilization rate and reliable operation, and minimizes unplanned shutdowns.

How to troubleshoot calender roll heat transfer problems

The following were noted during installations and are common installation troubles. Read them carefully to rectify or avoid them during your installation.