Reduction of systematic dosing inaccuracies during the application of highly viscous substances

The automated application of adhesives and sealants on three-dimensional co mponents requires that the application profile produced by constant medium dosing along the processing line has to be as uniform as possible in order to ensure adhesive and sealing functions. Incorrect dosing occurs especiall y frequently during the dosing of highly viscous substances at application points with a high degree of curvature and these inaccuracies later affect the function of the component. Incorrect dosing occurs partly due to the wa y in which the speed of the handling system responds. For this reason, we h ave developed a means of compensating for dosing errors arising from the ki nematic response of the handling machine by methods of calculated control p redictions for the dosing unit based on internal control information.