The application of a variety of materials in automated systems is associated with various challenges.
Depending on the type of material and the requirements of the component, the surface must be pre-treated before the dispensing process. To ensure good adhesion to the surface or to remove impurities, plasma-ionised air, a laser or similar are used, depending on the cleaning process.
Application is then continuous or selective as a line, bead or dot, as required. The desired geometry can be achieved either by positioning the dispensing head on an XYZ gantry or a robot. Alternatively, depending on the concept, the component can be moved past a stationary head.
Downstream, there is usually an order control that answers the following questions: Is the order continuous? Is it in the right place? Is the height and width correct? Often this happens directly during the actual order process.
The biggest and decisive influencing factor for the equipment used is also here the potting material used. These can be adhesives, liquid sealants, heat conductive pastes or joint fillers, for example. The application speed must be adapted to the respective behaviour.
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