Statistical process control for industrial mixing

  • R. J. Del Vecchio


Rubber compounds have been mixed routinely for well over 150 years using a variety of types of equipment, most notably the two-roll mill and the internal mixer. These are batch processes which are sensitive in varying degrees to raw materials; there may be 5–20 raw materials in a given compound, all of which can vary appreciably in characteristics (especially polymers such as natural rubber). Other important factors are the mixing process itself, the type and condition of the equipment, the order of adding the ingredients and the time when each is added, the time and temperature exposure and the technique of the operator.


Natural Rubber Total Quality Management Statistical Process Control Discrete Process Rubber Compound 
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© Springer Science+Business Media Dordrecht 1997

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  • R. J. Del Vecchio

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