Int. J. Metrol. Qual. Eng.
Volume 7, Number 1, 2016
|Number of page(s)
|01 April 2016
Selective and validated data processing techniques for performance improvement of automatic lines
Fameccanica Data Spa, Via Aterno, 136, Zona Industriale Val
2 Department of Industrial and Information Engineering and Economics, University of L’Aquila, L’Aquila 67100 via G. Gronchi 18, Italy
⋆ Correspondence: email@example.com
Received: 3 December 2015
Accepted: 20 February 2016
Optimization of the data processing techniques of accelerometers and force transducers allowed to get information about actions in order to improve the behavior of a cutting stage of a converting machinery for diapers production. In particular, different mechanical configurations have been studied and compared in order to reduce the solicitations due to the impacts between knives and anvil, to get clean and accurate cuts and to reduce wear of knives themselves. Reducing the uncertainty of measurements allowed to correctly individuate the best configuration for the pneumatic system that realize the coupling between anvil and knife. The size of pipes, the working pressure and the type of the fluid used in the coupling system have been examined. Experimental results obtained by means of acceleration and force measurements allowed to identify in a reproducible and coherent way the geometry of the pushing device and the working pressure range of the hydraulic fluid. The remarkable reduction of knife and anvil vibrations is expected to strongly reduce the wear of the cutting stage components.
Key words: Film cutting / measurement / uncertainty / accelerometer / RMS / envelope
© EDP Sciences 2016
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