GKD at the Index 2020: Innovative process bel...
GKD at the Index 2020

Innovative process belt designs as protection against electrostatics and material adhesion

GKD
Conducto 7690
Conducto 7690

The technical weaver GKD – Gebr. Kufferath AG, Düren/Germany, will be presenting a comprehensive range of mesh and spiral fabric belts for forming, drying, and bonding of nonwovens at the Index from October 20-23, 2020. The focus will be on the Conducto 7690 with metallic multifilaments, and glass hybrid fabric belts with anti-stick coating. The exhibition will be rounded off with tailor-made metal fabric filter media for central filters, spinning beams, and blower screens used for polymer filtration.

Maximum process reliability and system availability is crucial in securing production efficiency and the success of products in the nonwovens industry.

Spunlaid nonwoven forming

With Conducto 7690, a fabric design comprising polyester monofilaments and metallic multifilaments, GKD has succeeded in preparing electrostatic dissipative metal in such a way that it can also be used for sophisticated medical and hygiene products without any risks. This latest addition to the product range facilitates between 1 and 10 times greater dissipation of electrostatic charges than conventional belts. The metal fibers that are woven into the back of the belt do not come into contact with the product. The flexible yarn produced from stainless steel fibers does not suffer from corrosion or bending fatigue and is also robust. At the same time, it optimizes dissipation of electrostatic charges with unprecedented efficiency. The new fabric design combines these properties with the familiar benefits of all Conducto forming belts: very good traction, homogeneous web formation, optimum nonwovens removal, and easy cleaning.

Web bonding and drying

The glass hybrid fabric belts with anti-stick coating from GKD significantly increase process efficiency. Used as upper and lower belts in real-world applications over multiple years, they have far surpassed the high expectations in terms of process performance and product quality in exacting thermal bonding processes with highly adhesive products.
The single-ply fabric design, comprising metal weft wires and fiberglass strands as the warp, makes the belts energy-efficient lightweights. A service life of multiple years, minimized cleaning intervals, and high production speed underline their efficiency. The glass hybrid fabric belts also impress with very good transverse stability and running characteristics, even when used with large working widths and strong product shrinking forces.
Their complete PFA coating protects wires, strands, and intersections from any kind of material adhesion, even when processing highly adhesive products or using bicomponent fibers. Glass hybrid fabric belts are temperature resistant up to 250 °C and do not stretch.

Converting

Custom-made spiral fabric belts, produced in-house, complement the company’s portfolio of process belts. These spiral fabric belts often represent an attractive alternative, particularly when using very wide or high-speed systems for production of hygiene products. They have high air permeability and dimensional stability.

Polymer filtration

Multi-layer metal fabric screens for specific processes ensure a long service life of the screen changers in central filters. The filter discs or cartridges, produced from up to 6 layers of optimized Dutch weave, have a high dirt holding capacity, fine filtration rates, and low clogging tendency. In the spinning beam, media designed for specific applications optimize filtration of the fusion flow in long filters or long screens, while also extending the service life of the spinnerets. Blower screens produced from honeycomb supporting plates, employing specially pretreated fabric designs on both sides, guarantee an even fiber flow thanks to a homogenized stream.

GKD at the Index 2020: Stand 2180
Topics
Düren Germany

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