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Comparison of hard and soft bearing roll balancing methods

Hard bearing type balancers measure residual unbalance. Soft bearing type balancers use a stroboscope and pickups to measure vibration amplitude and direction.

Trim ribbon conveying for a more efficient and safer process

Ventilation equipment is needed at the winder or reel for several different purposes: dust removal, humidification, trim conveying and broke conveying. This article deals with trim ribbon conveying.

Valmet reduces fabric change time with no creasing, a case study

A new fabric change system created through cooperation between mill personnel and Valmet improves work safety, significantly shortens fabric change time and increases production time.

Is it time to convert your boiler to gas for energy savings?

If your power or recovery boilers are older and running on oil or other fuel sources - converting to natural gas may be a wise decision. Valmet has rebuilt several boilers, resulting in a cleaner less costly operation.

Common pulp washing fundamentals – How and why do we wash pulp?

Washing of pulp is a critical unit operation in the fiberline. Although washer designs differ, each type functions to wash pulp using common fundamental principles.

Valmet Durable Knife System ensures consistent high chip quality

Valmet Durable Knife System involves a chipper knife usable in almost all disc chippers. The custom-made sharp and strong knife ensures continually high chip quality and longer change intervals for the knives - improving the productivity of the chipper.

High power generation from recovery boilers: What are the limits?

The energy efficiency of modern recovery boilers, such as Äänekoski, can be improved by introducing high power features. Particularly important are the effect of ash composition and ash treatment.

President and CEO Pasi Laine to resign from Valmet during 2024

Valmet Oyj: Notification according to Chapter 9, Section 5 of the Finnish Securities Markets Act: Swedbank Robur Fonder AB’s ownership in Valmet decreased to below 5 percent

Valmet Oyj: Notification according to Chapter 9, Section 5 of the Finnish Securities Markets Act: Swedbank Robur Fonder AB’s ownership in Valmet exceeds 5 percent