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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.

Maintenance and operation of press stretchers and guides

The paper machine has a number of various loop-type fabrics, wires and felts, which must have a specific tension and controlled position in the cross direction of the paper machine (usually in the middle) so that the paper machine operates properly and as designed.

Planning roll maintenance yields the best uptime and efficiency

Operating machines at high speeds, longer operation periods between shutdowns and higher operating efficiency requires a planned roll maintenance policy.

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.

Ten step procedure for patch repair of rubber roll covers

The trick is don’t rush the job; take your time and keep the patch area clean. You’ll need a Dremel, heating platen and uncured, un-vulcanized rubber stock.

Five checks at shutdown when inspecting rubber covered rolls

At a shutdown, to determine if the cover should be taken out of service for either regrind or recover, inspect the cover for these five issues.

Conversion projects open the door to new opportunities

Rather than permanently idling a paper machine, why not move into a growing market such as packaging?

Reeling parameters - tension, nip load and peripheral force

The three critical parameters which must be controlled to make a well structured parent roll that can handle further processing are determined case-by-case.

Reeling terminology and how to achieve proper roll structure

Proper roll structure requires carefully controlled winding, to enable the resulting parent reel to be stored and unwound in downstream processes in a trouble-free manner. This article presents a glossary of terms and description of roll structure.

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.