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The First Bottom Press Felt for Paper Making Machine

The press section and the dryer section are the main components of the paper machine, and their structure and performance are one of the important symbols of the equipment level of the paper machine. The design, production, selection and reasonable configuration of papermaking felt are conducive to giving full play to the functions and superior performance of the press section and dryer section. 
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  • SUN HONG

Paper Machine Felt


Press felt is mainly used in press section,plays a vital role in the entire wet paper pressing and dewatering process. According to the order of use of the press felt in the press section, it can be divided into first top felt,first bottom felt; second top felt, second bottom felt; Or it can be vacuum press felt, vacuum pressinf top felt, vacuum pressing bottom felt, etc.


Example for Press Felt Design

first top press felt

First Press Top Felt

Base configuration:

A-layer (MD /CD):4-ply twisted / monofilament

B-layer (MD / CD):mono/mono

C-layer (MD / CD):mono/mono

Fiber batt distribution:

Paper side:250 g/m2-22 dtex

                 400 g/m2 -44 dtex

Roll side: 200 g/m2-44 dtex

Treatment:pre-compaction included

first press bottom felt

First Press Bottom Felt

Base configuration:

A-layer (MD /CD):4-ply twisted / monofilament

B-layer (MD / CD):mono/mono

C-layer (MD / CD):mono/mono

Fiber batt distribution:

Paper side:250 g/m2-11 dtex

                 400 g/m2-44 dtex

Roll side: 200 g/m2-44 dtex

Treatment:pre-compaction included


Sun Hong Felt Material


The felt base cloth warp and weft are made of special nylon monofilament, this kind of material  with the performance of high strength and good resilience, to ensure good water holding space and anti-press.


Sun Hong Felt Structure

The base cloth structure are adopted by multi-structure of 1+1 type. This kind of structure with high holding space, special for high speed machine requirement of dewatering.  The enough void space can transfer the water in the press part fastly, and up to the purpose of high dryness.


Sun Hong Felt Weaving


The warping machine made in TEXO company of Sweden, weft winder made in RGI company of Canada, loom machines made in TEXO company of Sweden. These modern machines make sure the felt base cloth with good performance of even tension, high anti-tensile strength, meet the requirement of high press load.


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