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Identification of influence of part tolerances of 1PWR-SE pump on its total efficiency taking into consideration multi-valued logic trees

Deptuła Adam, Osiński Piotr, Partyka Marian A.

Journal of Automation Mobile Robotics and Intelligent Systems

2018

Vol. 12, No. 4

28--41

This paper presents a methodology for identifying the influence of the tolerances used in model pump (TYPE 1PWR – SE) construction on the total efficiency. The identification of the sensitive control dimensions (Value/Tolerance) of examined pumps has been made by means of multi-valued logic and inductive decision trees. The innovation of the prototype unit is based on oblique gears with involute teeth, modified in the lower and upper part of the profile. The modification in the lower part was made using the so-called tooth root undercutting technique. Through the use of multivalent logic trees, the designated rank of importance of both structural and operational parameters is identified, taking into account the effect of tolerances on construction. The area is increased by cutting the oblique teeth.