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NDT based process monitoring and control

: Wolter, Bernd; Dobmann, Gerd; Boller, Christian


Strojniski vestnik = Journal of mechanical engineering 57 (2011), No.3, pp.218-226
ISSN: 0039-2480
Journal Article
Fraunhofer IZFP ()
automation; mechanical material property; micromagnetic method; tool-integrated sensor; nondestructive testing (NDT); process control; ultrasound

The old focus on using automation was simply to increase productivity and reduce costs. Today, the purpose of automation has shifted to broader issues. Highly automated processes ensure high quality on a constant level, if it is connected with a high degree of (automated) monitoring and control. Meanwhile, continuous process and quality monitoring by non-destructive testing (NDT) is an accepted procedure to early diagnosis of irregular process conditions, followed by an NDT-based feed back control and optimization. Consequently, the development of process integrated NDT is an important scientific task. Such developments have to fulfil the requirements of today's industrial production concerning integrability, automation, speed, reliability and profitability. Flat steel production and processing, gas assisted injection moulding and cold joining processes are some examples of a successful application of the process integrated NDT.