Search results

Project success is built on experts working together

"The OKI pulp mill project was special in many ways," tells Johan Schotte, who was Valmet’s project director in the project.

Defibrator System generation 2

A new generation of the well-proven Valmet Defibrator System EVO

Valmet’s new technology increases profits and has positive effects on the environment

XinXin Wood in China has installed two of Valmet’s new products in their newest MDF line which was started up in 2014

Defibrator implementation in record time

Luso Finsa, an MDF, chipboard and SuperPan producer in Portugal, started up its new Defibrator system for producing wood fiber in record time. A dedicated team and regular online meetings were some of the factors that led to this success.

Reel secondary arm synchronization provides even loading

Secondary arm movements need to move at the same speed both when loading against a new spool and when unloading a full jumbo roll. Otherwise the roll may stop or come off the rails or yield loss may occur.

A lazy W profile after the supercalender causes sheet problems

The lazy "W" roll profile at the calender windup can cause wrinkles, corrugations and baggy lanes. Thermal banding may be the culprit.

Example hydraulic maintenance schedule - daily, weekly, annual

The need for hydraulic preventive maintenance is determined over time by component operating conditions. The schedules in this article are intended as guidelines.

Example pneumatic maintenance schedule - weekly, monthly, annual

While pneumatic components and systems normally require very little maintenance, regular inspections with minor adjustments are important. This schedule and tips are intended as a guideline.

A brief introduction to machine vibration analysis techniques

Mills conduct vibration analysis as part of their preventative maintenance programs. The goal is to determine how severe the vibration is and to identify the root cause in order to correct the problem before some type of failure or customer complaint occurs.

Safety recommendations to minimize risks in the woodyard

This article lists safety precautions for woodyard area operations, starting with general safety and proceeding to equipment specific safety such as debarking, chipping, flaking and screening.