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Dynamic compression characteristics of fiber-reinforced shoe press belts, TAPPI Journal April 2025

ABSTRACT: Shoe press belts contribute significantly to the overall dewatering performance in the press section of a paper machine. Within the shoe press nip, the press belt faces a dynamic and multidimensional load that mainly leads to a compression of the structure. As this will cause a loss in void volume, knowledge of the dynamic compression characteristics of shoe press belts is crucial for optimized dewatering. A novel method was developed to examine the dynamic compression characteristics of grooved polyurethane press belts. Therefore, an experimental setup allowing realistic boundary conditions to test specimens was placed in a servo-hydraulic testing machine. Press belt specimens with different matrix material formulations and groove patterns were tested under varying load rates equivalent to different paper machine operational speeds. The results showed an evident sensitivity of the dynamic compression stiffness to the operational speed of the paper machine. This behavior was seen to be more sensitive to changes in the matrix material formulation than to adaptions of the groove pattern. As a result, the compression of the press belt within a shoe press nip is not only influenced by the peak pressure within the shoe press nip but also depends on the operational speed of the paper machine.

Journal articles
Magazine articles
Open Access
Impact of fiber structure on edge-wicking of highly-sized paperboard, TAPPI JOURNAL August 2018

Impact of fiber structure on edge-wicking of highly-sized paperboard, TAPPI JOURNAL August 2018

Journal articles
Magazine articles
Open Access
Contrasting underlying mechanisms of different barrier coating types, TAPPI Journal January 2018

Contrasting underlying mechanisms of different barrier coating types, TAPPI Journal January 2018

Journal articles
Magazine articles
World BioEconomy Forum: Major Opportunities for the Pulp and Paper Industries, Paper360º March/April 2019

World BioEconomy Forum: Major Opportunities for the Pulp and Paper Industries, Paper360º March/April 2019

Journal articles
Magazine articles
Pulp and Paper: Industries with a Bright Future, Paper360º January/February 2019

Pulp and Paper: Industries with a Bright Future, Paper360º January/February 2019

Journal articles
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Hands-On Service Means Floods Are Gone, Paper360º July/August 2019

Hands-On Service Means Floods Are Gone, Paper360º July/August 2019

Journal articles
Magazine articles
Problems Solved: Tracking True for Success, Paper360º March/April 2019

Problems Solved: Tracking True for Success, Paper360º March/April 2019

Journal articles
Magazine articles
Global or Local: Does Mill Location Make a Difference?, Paper360º March/April 2019

Global or Local: Does Mill Location Make a Difference?, Paper360º March/April 2019

Journal articles
Magazine articles
Working Toward a Closed-Loop Future, Paper360º November/December 2019

Working Toward a Closed-Loop Future, Paper360º November/December 2019

Journal articles
Magazine articles
Mondi Group: ´Paper Where Possible, Plastic When Useful’, Paper360º November/December 2019

Mondi Group: ´Paper Where Possible, Plastic When Useful’, Paper360º November/December 2019

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