Reliability

Valmet puts safety before anything else in our daily operations. We're also committed to supporting you in reaching your safety targets.

We provide reliability services that keep your equipment and processes running smoothly. We make sure that spare parts and components are easily available with minimal inventory costs. Reliable deliveries ensure that material is managed efficiently at your site every day.

Our maintenance and shutdown management services help you to keep your production assets in good working condition, minimizing downtime and controlling maintenance costs. We offer services for planning and implementing annual shutdowns to avoid cost and schedule overruns.

Reliability

10 of 139 documents
  • Mar 24, 2020

    Field Report - Protecting soft roll covers

    Soft rolls represent a significant investment for mills, yet they are susceptible to damage, especially if the surface temperature varies too much across the face of the roll. This article describes the design, operation and maintenance of some of the most common soft roll protection devices.

  • Mar 17, 2020

    Field Report - Steam shower tips and Valmet IQ Steam Profiler

    Guidelines for steam shower setup, usage and shutdown as well as precautions are presented in this article, as well as the results that are possible with the Valmet IQ Steam Profiler.

  • Mar 10, 2020

    Field Report - Reel spool safety

    Reel spools carry more load for their size than any other roll in the paper mill. Bent journals can break, causing the log to fall from the reel or storage reels onto the floor and bump into equipment and personnel.

  • Mar 3, 2020

    Field Report - Grooving suction rolls

    Grooving suction rolls is a commonly undertaken process. This article answers some of the most frequently asked questions, such as: why groove the suction press roll, how does grooving affect the cover's P&J, and are there any concerns or drawbacks with grooving a suction roll.

  • Feb 4, 2020

    Field Report - Felt roll safety

    When lifting, operating and servicing the rolls, obey the OEM and mill safety instructions regarding lifting points, nips, lifting instruments and guards in order to maximize occupational safety.

  • Jan 28, 2020

    Field Report - Blade-type doctors, design and operation

    Doctors are used to scrape foreign material off rolls or to redirect the web to prevent wrapping around rolls. Doctor components vary, but all blade type doctors will have blade(s), blade holder(s) and beam. Heaters, oscillators, air blows and catch pans are common additional options.

  • Jan 21, 2020

    Field Report - General reel service and adjustments

    Many reel service actions and adjustments are common to all paper machine reels. This article reviews on-the-run (OTR) monitoring of the reel, as well as long-term (20 year) checks such as screw torques and critical seam weldments. Consumables must be inspected and replaced as needed, especially actuators and cylinder seals.

  • Jan 7, 2020

    Field Report - Coater blade angle measurement and interpretation

    Measuring and interpreting coater blade wear angle can avoid problems such as scratching, poor coat weight appearance, wet bleeding and weeping at the blade tip. Correct positioning of the blade on its bevel will optimize sheet smoothness.

  • Dec 17, 2019

    Field Report - Size press roll wear, a case study

    A P&W paper machine suffered from excess wear on the back edge of the bottom size press roll. The problem was traced to the size press synchronization shaft. When the shaft was replaced, the roll wear problem went away.

  • Dec 10, 2019

    Field Report - Reel process audits

    Reel equipment can take a beating during normal operation. Periodic inspections of the reel equipment are recommended to develop a baseline with regard to its process variables and mechanical condition.

Reliability

10 of 139 documents