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Paint Preparation of SMC Form Parts

Robot-controlled surface functionalisation and post-curing by electron treatment

The robot-controlled edge layer treatment of defect-free three-dimensional SMC form parts before the industrial coating process completely cures their edge layer. This reduces or prevents the escape of gas inclusions from the SMC through this cured edge layer and the generation of surface defects in the industrial coating process.

For the user, this leads to an improved coating quality of SMC form parts, low and inline-capable cycle times as well as the saving of previously necessary cost- and time-consuming reworking or additional processes.

SMC form parts with a slight three-dimensional structure, such as tailgates and bonnets, can be modified with a high-power area emitter. The additional running costs amount to about 0.10 €/m².

Very complex SMC form parts require the development of a more powerful emitter with a higher acceleration voltage in order to enable an economic mode of operation.


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