DESIGN OF HYDROSTATIC SCREW AND NUT | ||
| The International Conference on Applied Mechanics and Mechanical Engineering | ||
| Article 25, Volume 2, 1st Conference on Applied Mechanical Engineering., May 1984, Pages 225-232 PDF (1.37 M) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/amme.1984.49671 | ||
| Author | ||
| M. A. NASSER | ||
| Assistant Professor, Production Engineering & Machine Design Department, Faculty of Engineering & Technology, Menoufia University, Shebin El-Kom, Egypt. | ||
| Abstract | ||
| This article is concerned with a proposed simple method to design an exter-nally pressurized trapezoidal and rectangular screw and nut mechanisms. The general lubrication assumptions are applied to the governing equations and continuity equation of the lubricant. The reduced equations are then used in an assumed double film annular bearing which is considered to be .equivalent to one turn of the hydrostatic screw. It is found that the performance characteristics of a hydrostatic screw such as power consumed ,volume flow rate, and static stiffness can be estimated in an easy manner. Furthermore, the optimum operations conditions can easily be determined. | ||
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