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2000m/Min Seamless Paper Machine Parts Breast Roll

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2000m/Min Seamless Paper Machine Parts Breast Roll

Country/Region	china
City & Province	shijiazhuang hebei

Product Details

2000 M/Min Seamless Breaster Roller

2000 M/Min Seamless Breaster Roller Introduce

Usually, the breast wheel is the first cylinder on the paper machine and is the beginning part of the screen. One of its functions is to support the forming wire. The forming net changes direction on the breast wheel. After passing the breast wheel, the non-working surface of the forming net becomes the working surface. In many cases, the breast roller is also a dehydrating element on the screen, and the pulp from the Internet can remove part or most of the water on the breast wheel.

The breast wheel is a tube rolling structure, with sufficient rigidity and minimum deflection to prevent the copper mesh from wrinkling. In order to reduce the load on the chest wheel driven by the copper mesh, the weight of the chest wheel should be light. Generally, there is no medium-to-high chest mixing for small and medium-sized low-speed paper machines, and the chest rolling of large high-speed paper machines is slightly medium-high.

2000 M/Min Seamless Breaster Roller Feature

In order to prevent the fiber from entering between the breast roller and the copper mesh, the roller surface is equipped with a plastic or wooden scraper to clean the roller surface, and a water spray tube is also installed between the breast roller and the lower lip to clean the roller surface. Usually, an extension plate is provided on the back of the scraper, and the white water removed by the net is introduced into the first white water tray.

　　 breast roll also has a dehydration effect, and the amount of dehydration can be controlled by the dots of the pulp flow. If the pulp flow directly falls on the breast roll, a large amount of water can be removed, which has a partial shaping effect. If the pulp stream is sprayed on the forming plate, the dehydration effect on the breast roll is very small, and the forming of the paper sheet is controlled by the table roll or the dehydration plate.

　　 A modern high-speed paper machine that uses free pulp to produce thin paper, using water-absorbing breast rolls for intense dehydration. In this case, most of the water is removed by the breast roller. The dehydration mechanism of breast roller is similar to that of table roller.

2000 M/Min Seamless Breaster Roller Data Sheet

Manufacturing standard	Shell in seamless steel pipe or plate bended Cast iron hubs cast steel or alloy steel journals Roll face rubber covered cast iron bearing housings Grease lubrication
Optional	Stainless steel material bearing housing oil lubrication Roll face covered by TowEwooDWARD rubber Loose rope pully or grooved
Supply limits	Diameter: 300 -1500 mm Face length: 12000 mm Working speed: max up to 2000 m/min