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Scattering

Scattering machines

Powder scatter

For even and homogeneous distribution

A scattering roller coated with a special needle covering in connection with a precisely adjustable brush belt provide for high-precision and very even application of the material to be scattered. This scattering system allows an infinitely adjustable working width between 50 mm and 5,000 mm as well as the possibility to choose application weights between 3 g/m2 and 2.000 g/m2. Our user-friendly scattering systems enables an exchange time for scattering roller or brush belt less than 5 minutes in case of maintenance or process changeover. The scattering accuracy depends on the used material to be scattered and is as follows for an applied quantity of <25 g/m2 at ± 2 g/m2 resp. >25 g/m2 at ± 5%. Furthermore it is possible to archive specified weights as recipes and to store them in real time for process monitoring.

We offer scattering units for powdery materials such as

  • Thermoplastic adhesives
  • Epoxy powders
  • Recyclers
  • Activated carbon
  • Filling material
  • Sand
  • Grains

We developed a further type of scattering machines for smaller sizes as well as for manageable volumes and laboratory applications. Our small powder scatter can either be used integrated into a whole line or as stand-alone version.

5,000
mm working width
3
gr/m2 minimum scattering quantity
130
mm diameter scattering roller

Technical data

Width (mm) 700 to 5,000 400 or 600 (small system solution)
Scattering roller Ø (mm) 130 or 225 90
Brush unit oscillating or rotating oscillating or rotating
Filling manual or automatic manual or automatic
Scattering width infinitely adjustable infinitely adjustable
Scattering quantity infinitely adjustable, synchronous with line speed infinitely adjustable, synchronous with line speed

Modules

Various modules enable the adaptation of our machines to specific requirements.

Granule scatter

For everything except powder – individual and innovative

In principle, for granule scattering a distinction is made between two different possibilities – fiber materials or granules. Granules are being processed in a way similar to scattering powder. But for scattering granules the choice of needle covering is important. The needle covering has to be adapted to the granule in particular. Once the granule is inside the needle covering it is being removed out of the needle covering by means of a rotation controlled brush. For fiber material the material to be scattered is loosened in a winding tower by means of piker rollers and then conveyed to the scattering roller. By means of a counter-rotating brush the fiber material is distributed onto the material lane. For both methods the feasibility has to be checked. Therefore our text center is available for you.

400
mm minimum working width
1,000
different possibilities
950
mm working height

Technical data

Width (mm) 700 to 5,000 400 or 600 (small system solution)
Brush unit oscillating or rotating oscillating or rotating
Filling manual or automatic manual or automatic
Scattering width infinitely adjustable infinitely adjustable
Scattering quantity infinitely adjustable, synchronous with line speed infinitely adjustable, synchronous with line speed

Modules

Various modules enable the adaptation of our machines to specific requirements.

Scattering Machine

Flexible production line for glass mats

This innovative line concept for glass mat production from glass rovings consists of a cutting unit which cuts the glass fiber rovings to a defined length and then spreads them evenly onto a conveyor belt. Subsequently, a powder scatter distributes an adhesive powder onto the loose fibers. The actual mat itself is then produced inside the laminating machine. In order to increase production speeds an infrared pre-heating station is available so that the adhesive powder can melt faster. Worldwide our satisfied customers trust in our technically mature solution for glass mat production.

1600
mm typical working width
18
control zones
84
Rovings

Technical data

Width (mm) 700 to 2300
Roving feed up to 84
Roving cut length 2 inch
Mat weigth approx. 100g/qm
Production speeds up to approx. 25 m/min, depending on mat weight and thermoplast
Scattering quantity adhesive powder typically from 8 -30 g/qm depending on requirements

Modules

Various modules enable the adaptation of our machines to specific requirements.

Coating line

Online and offline – but always highly accurate

To stabilize fiber materials a small amount of thermoplastic adhesives or epoxy resins is applied onto the material lane by means of a powder scatter and afterwards fixed to the material lane by means of a contact-free heat treatment (for examples by means of a infrared heating field). Here the right melting degree and a high-precision powder application is decisive for the further steps to take place in a process-safe manner. During the online process the powder is applied contemporaneous to the production of the fiber layer. Offline processes the material from roll to roll.

5,000
mm maximum working width
2
operating modes (online and offline)
204
heating zones at 130“ and 1 m length

Technical data

Width (mm) up to 5,000
Scattering roller Ø (mm) 225
Brush unit oscillating or rotating
Filling manual or automatic
Scattering width infinitely adjustable
Scattering quantity infinitely adjustable, synchronous with line speed
Temperature up to 300°C

Modules

Various modules enable the adaptation of our machines to specific requirements.

Illustrations might show special features and are only symbolic. No responsibility is accepted for the accuracy of given information. Modifications in design and construction are subject to change without notice.

Would you like to find out more about the technologies and machines that are suitable for you? Or do you want to test your products in our Test Center? Please contact us and we will be happy to assist you.

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