A suggested new profile for externally pressurized power screws |
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Authors: | H.R. El-Sayed H. Khatan |
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Affiliation: | Faculty of Engineering, Alexandria University, AlexandriaEgypt |
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Abstract: | In general, the traditional types of power screws may be considered as ordinary screw threads with certain dimensional restrictions recommended to improve their dry working performance. However, when applying the theory of externally pressurized lubrication to such machine elements, it may be inconvenient to confine the study to such constraints. The problem is investigated considering the general form of the screw thread; the optimum combination of the thread parameters for the most suitable externally pressurized power screw are determined.A new profile for externally pressurized power screws is suggested and proved to be more convenient and efficient than the ordinary profiles. |
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