Valmet calendering

Nippon Dynawave: sustainable board with less CO2 emissions and fibers

Oct 10, 2022

Nippon Dynawave wanted to go towards a more sustainable board production. They succeeded in reducing greenhouse gas emissions and using less fibers for the same amount of board with the Valmet-supplied metal belt calender.

Sappi Maastricht: new 3-layer headbox and metal belt calender for extremely good board quality

Mar 7, 2020

Sappi Maastricht mill in the Netherlands got a new future for its board machine with Valmet’s innovative three-layer headbox and metal belt calender. They are now in the specialty boards business producing extremely high-quality SBS and FBB with superior smoothness and printability.

Energy-efficient air drying at SAICA, El Burgo

Mar 25, 2019

Safety played a key role when SAICA El Burgo in Zaragoza, Spain, chose air drying technology for their new, Valmet-supplied off-line coating machine. High coating quality proved at pilot trials and energy savings compared to IR dryers were also important.

Successful conversion from paper to board – Stora Enso Varkaus PM3

Sep 15, 2017

From Paper to packaging – Stora Enso’s Varkaus mill in Finland converted their existing paper machine into a board machine to produce linerboard in 2015. They chose Valmet as their partner for this challenging rebuild. The successful conversion from paper to board has been a marvelous journey to better meet the market need for renewable packaging.

Valmet calendering pilot facilities

Jul 12, 2016

Valmet’s calendering pilot facilities offer the latest technologies and innovations in its field, such as aqua cooling calendering and metal belt calendering. The facilities allow you to run tests on a set up which mirrors that, which you have at your facilities, or alternatively the type of configuration you are looking to set up.

Valmet – OptiCalender Metal Belt

Jun 28, 2016

OptiCalander Metal Belt introduces a completely new method of making board. The metal belt calender simplifies the entire board-making process and releases drying capacity by removing the speed limits caused by Yankee cylinders. This results in extremely high bulk and stiffness, together with very smooth surfaces.

Liansheng Pulp and Paper: big success with PM 1 carton board and PM 3 high-grade fine paper lines

Feb 27, 2024

Living up to expectations, Liansheng’s PM 1 carton board and PM 3 high-grade fine paper production lines have been recognized as a success not only by Liansheng, but also by their customers.

Valmet’s selection of calender roll covers: A result of extensive expertise

Dec 19, 2023

Few roll cover manufacturers can offer as wide a range of calender covers as Valmet can today. Most attention is paid to high-performance covers addressing difficult conditions in the calender, such as vibration and barring in high-speed online calenders. But many calenders also run without vibration issues, and when such “anti-barring” covers are not required, other properties become more important.

Valmet’s new premium calender covers – the ultimate high performers

Dec 18, 2023

Wear and impact resistance, as well as reliability, are entering another level with two newcomers to the Valmet Calender Roll Cover CL product family. In addition to graphical papers, they are suitable for specialty papers, as well as container and packaging boards.

Asia Symbol PM 13 advances to a new high

May 25, 2023

The construction and start-up of Asia Symbol Guangdong Paper’s (ASGD) PM 13 represents a new success. The project took just 17 months and started up on schedule in March 2022. Just four months later it reached a speed of 1,610 m/min.

Enduring release paper calendering: A difficult cover life

Oct 25, 2022

When the going gets tough, the tough get going. Calendering release paper is one of the toughest jobs a calender cover can encounter. Valmet Calender Roll Cover CL-EC has proven it is up for it.

Sustainable board production with less CO2 emissions and fibers at Nippon Dynawave Packaging

Sep 21, 2022

Learn how the partnership between Nippon Dynawave Packaging and Valmet has resulted in increased flexibility, boosted efficiency and enhanced quality at the mill.

Valmet’s multinip calender: finalist in engineering contest

Apr 17, 2020

Valmet’s OptiCalender Multinip has been selected as a finalist in Finnish Engineering Contest. OptiCalender Multinip is a major invention that revolutionized traditional multinip calendering technology with a simple mechanical solution. The invention was made in 1993 and stands the test of time. Over the years, Valmet has so far manufactured and sold calenders based on the invention worth an estimated EUR 1 billion.

Sappi Maastricht: Extremely good quality with new 3-layer headbox and metal belt calender

Feb 11, 2020

Valmet’s unique three-layer headbox and metal belt calender have helped Sappi Maastricht to produce outstandingly white and bulky board, with excellent printability and surface properties.