The Second Bottom Press Felt for Paper Making Machine

Paper making felt refers to the felt used for paper forming and conveying in the paper industry. The selection of press felt depends on the paper kind produced, paper weight and surface modification requirements, paper machine type, environmental conditions for felt use, and existing felt cleaning and purification conditions.

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Model:
Sun Hong PMC
Brand:
SUN HONG

Product Description

微信图片_20220926112733

Press felt is an important consumption material in papermaking industry. It refers to the felt used for paper forming and conveying in the paper industry. The selection of press felt depends on the paper kind produced, paper weight and surface modification requirements, paper machine type, environmental conditions for felt use, and existing felt cleaning and purification conditions. It is mainly used in fourdrinier paper machine, cylinder paper machine, paperboard machine to transfer wet paper and dehydration. It can be divided in single layer felt, double layer felt and triple layer felt.

According to the location and role of felt in the paper machine, they can also be classified as follows: press felt can be divided into: the first top press felt, the first bottom press felt, the second top press felt, the second bottom press felt, vacuum press felt, vacuum top press felt, vacuum bottom press felt, the first top press felt with large roll diameter, the first bottom press felt with large roll diameter, the second top press felt with large roll diameter, the second bottom press felt with large roll diameter. The forming felt is sometimes called the pick up felt. The prepressing felt also includes the prepressing top felt, the vacuum prepressing top felt, the vacuum turning felt, etc.

Application

1.Forming paper web.
2.Dewatering from the paper web.
3.Conveying paper web.

Product Parameters

No	GSM	Structure	Application
1	700-800	single layer, domestic material	tissue paper
2	700-1100	single layer, domestic material	wrinting paper, printing paper, newspaper, package paper, technical paper
3	700-900	single layer, domestic material	corrugating, kraft paper, package paper
4	800-1000	single layer, domestic material	kraft paper, white paperboard
5	800-1000	single layer, domestic material	kraft paper, white paperboard
6	800-1000	single layer, import material	high-grade writing paper, printing paper, technical paper,tissue paper
7	800-1000	single layer, import material	high-grade writing paper, printing paper, technical paper, tissue paper
8	800-1000	single layer, import material	high-grade package paper, kraft paper, paperboard

Installation of felt

微信图片_20220922174141 01 Keep the felt clean to prevent oil from sticking to the felt.
02 Before the felt is flattened on each roll, it is not allowed to drop the top press roll, couch roll or support roll. Never pressurize the press roll until the paper machine is running normally.
03 When the felt is running slowly until it is running well, moisten the felt evenly with water until the water is saturated, then adjust the tension to stretch the felts to the optimum length, width and dehydration condition.
04 There shall be sufficient gap between the spoke and the shaft sleeve or between the spoke and the spoke to make the felt easy to cover and avoid pulling the felt in through the gap.
05 Before starting the machine, check whether there are foreign matters on the top and bottom of the felt, as well as pressing and auxiliary devices.
06 The running direction of the felt on the paper machine shall be marked by the arrow on the felt surface.

Packing & Shiping

1.Bubble Film and waste thick fabric wrapping while protecting inside fabric.
2.Wrapped special fabric package outside (Air shipping).
3.Composite wooden box (Sea shipping).

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