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Paper Machine Forming Fabrics


Paper making forming fabric is a very important for a paper machine in a paper mill. In general formation of paper depends on wire cloth and refining of paper pulp. Paper machine wire cloth (forming fabric) made from polyester or polyamide monofilaments. To shape an uninterrupted belt, it is made by endless of a seam. During woven of wire

cloth, filaments are composed of paper machine direction and paper machine cross direction. The filaments of paper machine direction or lengthwise are called warp. One the other hand the filaments of paper machine cross direction are called weft or Shute or filling. The construction of wire cloth depends on some weaving variables such as pattern, mesh, yarn, diameter, degree of crimping etc. Mesh is very important for a wire cloth (forming fabric). Water drainage and retain of fibers are depends on it.

 

According to the category, wire cloth (synthetic forming fabric) can be divided into single layer wire cloth, 1.5 layer wire cloth, double layer wire cloth, two and a half layer wire cloth, triple layer wire cloth. In accordance with weaving, wire cloth (forming fabric) can be divided into 2-shed, 4-shed, 5-shed, 7-shed, 8-shed, 16-shed, 24-shed etc. A paper machine wire cloth has two surfaces. One is the forming surface or top surface and another is the wearing surface or underside surface.

 

Depending on paper machine and various paper grades wire cloth also difference. The uses of double layer wire cloth (forming fabric) is increasing day by day.

 

A forming fabric of a paper machine refers to a continuous belt that acts as both a paper sheet conveyor and a dewatering system. It is here that the initial water is drained quickly to allow fibers and fillers to form the sheet remaining on the top of the fabric. Originally, the forming fabric is composed of metal wires, but it is quickly replaced by a modern material - monofilament polyester strands. Compared with traditional metal wire fabric, our range of polyester forming fabricfeatures unmatchable benefits as shown below:

 

Superb dimensional stability.          

Excellent anti-wear property.

Minimum drainage resistance.

Allows for smallest thread mark.                                              

Great retention of fiber fines.

Much longer lifespan.

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