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J. Pigłowski, M. Kozłowski, R. Steller


Scale transfer for the screws of processing machines on the basis of a basic model


Polimery 1990, No 10, 379


DOI: dx.doi.org/10.14314/polimery.1990.379


Summary

The methods of dimensional changes of screw basing on the application of similarity theory to the analysis of the screw plasticating processes have been discused. These methods make it possible to design a series of types of screws deriving from a common basic model and therefore characterized by a considerable similarity of the plasticating processes under conditions of various yield, power dem and etc. The ratio of the diameter of the designed screw, Do, to the diameter of the basic screw, Do is taken as a parameter characterizing the dimensional changes.


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