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Improve roll asset management, reduce risk, lower costs (webinar)

A Valmet webinar reviewed the roll agreement concept including case studies of mill achievements. The recorded webinar is described here and available to view.

Spreader rolls - principle, problems, solutions and services

Spreaders deal with web instability, using the principles of tension and traction to overcome dishing and interweaving. Valmet spreader roll services ensure spreading efficiency with all-round cost control.

Troubleshooting rope runs - the four most common problem areas

Rope runs can be complex, and a poorly designed run can decrease machine complexity. They should be assessed periodically to find and correct problem areas.

Improving extended nip press (ENP) performance and blanket life

Since 1980 the Extended Nip Press (ENP) has performed well. But there have been improvements since its initial entry in the market. These include prolonging the blanket/belt and felt life and improving sheet properties with oil lubrication showers, belt brushes, belt wipes, loading piston upgrades and geometry optimizations.

Supercalender process conditions, variables and grinding

Process variables affecting SC paper production, process conditions affecting supercalender polymer roll life and calender roll grinding recommendations.

Safe and efficient calender roll removal - four methods

These methods of calender roll removal are recommended by Valmet. Other methods may be used, depending on style/size of calender & available lifting equipment.

Larger jumbo rolls increase pressroom breaks, a case study

Larger wound roll sizes dramatically increased press breaks for an LWC mill's customer. Process analysis and Valmet small fixes provided a temporary solution.

Ceramic press roll conditioning tips – when, how and why

Over time, the surface finish of the roll starts to become smooth and glossy and may lead to issues with particles getting past the doctor blade or higher draws

5 tips to improve under-machine pulper production efficiency

With thousands of installations all over the world, under-machine pulpers are often overlooked in the stock preparation area due to their long equipment life.

Pulp washing system fundamentals and design (webinar)

Operating the pulp washing system efficiently requires that fiberline operators and superintendents understand the fundamentals of the washing system.