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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.

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.

Hydraulic safety - 5 tips for before, during & after maintenance

Hydraulic maintenance should be performed by knowledgeable, trained technicians. Here are some tips for safely and efficiently working on hydraulic systems.

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.

Avoid winder vibration with modern software and hardware tools

Some paper grades generate winder vibration. Modern tools help, such as 4-way hydraulic valves, stiffer drums with lower dynamic runout and automated controls.

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.

Valmet Belt Roll Doctor reduces press moisture, a case study

A 1990s uncoated freesheet machine in the United States wanted to decrease their press moisture. They chose the Valmet Belt Roll Doctor to doctor the shoe press belt.

These basic guidelines help optimize suction roll performance

To optimize the efficiency of and ensure the best return on a suction roll investment, mill maintenance departments should follow some basic guidelines.

The function and proper setup of size press sealing blades

Properly functioning sealing blades in a metered size press prevent air from entering the application chamber while lubricating the blade tip/applicator roll interface. Periodic checks of the blade setup are essential for a long and trouble-free blade lifetime.

Maximize your training results with flexible training tools

Why do companies with similar technologies achieve different results? Why do people doing the same task perform differently? The difference often lies in knowledge and skills, both of which can be acquired through learning.