Search results

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.

Roll service agreement increases reliability at Savon Sellu

Close partnership with Valmet increased cost efficiency and roll availability at Savon Sellu via a roll agreement. Roll running times were doubled. Virtual roll IDs clearly identify which roll is being serviced.

Machine direction coat weight barring solved, a case study

Chronic machine direction coat weight barring at this mill was traced to reel vibration and solved by installing a compliant reel drum cover.

Shared Journey Forward - Valmet's new services approach

Valmet wants to be a valuable part of your team. This is reflected in our core commitments and unique services offering. Join us on a shared journey forward.

Increase electrical safety before, during and after maintenance

Safe operation and maintenance of machinery requires alertness and safety consciousness on the part of all operating and maintenance personnel. This article reviews basic safety precautions for electrical maintenance.

Start-up checklists help operators avoid missing machine settings

Start-up checklists help new and seasoned machine operators through the start-up process without missing any machine settings. They are also good for training purposes.