Although differential screw mechanisms are widely used in precision mechanisms to control fine relative movements, their enumeration and systematic methods of analysis seem less widespread. In this paper methods to support the preliminary design steps of these devices are proposed. In particular, has been proposed an enumeration algorithm of screw mechanisms. This method makes use of kinematic structure relationships deduced by Kraus (1951, Getriebelehre, Verlag Technik, Berlin; 1952, Gründlagen des Systematischen Getriebeaufbaus, Verlag Technik, Berlin). Kinematic and static analyses of differential screw mechanisms are described mainly in the German technical literature. However, such analyses are based on graphical constructions. In the paper graph-based analytical methods of kinematic, static and mechanical efficiency analyses are proposed. Examples of application of the suggested methods are offered.
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August 2009
Research Papers
Enumeration, Kinematic, Static and Mechanical Efficiency Analysis of Differential Screw Mechanisms
G. Ciccioli,
G. Ciccioli
Dipartimento di Ingegneria Meccanica,
Università di Roma tor Vergata
, Via del Politecnico 1, Roma 00133, Italy
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E. Pennestrì,
E. Pennestrì
Dipartimento di Ingegneria Meccanica,
pennestri@mec.uniroma2.it
Università di Roma tor Vergata
, Via del Politecnico 1, Roma 00133, Italy
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P. P. Valentini
P. P. Valentini
Dipartimento di Ingegneria Meccanica,
Università di Roma tor Vergata
, Via del Politecnico 1, Roma 00133, Italy
Search for other works by this author on:
G. Ciccioli
Dipartimento di Ingegneria Meccanica,
Università di Roma tor Vergata
, Via del Politecnico 1, Roma 00133, Italy
E. Pennestrì
Dipartimento di Ingegneria Meccanica,
Università di Roma tor Vergata
, Via del Politecnico 1, Roma 00133, Italypennestri@mec.uniroma2.it
P. P. Valentini
Dipartimento di Ingegneria Meccanica,
Università di Roma tor Vergata
, Via del Politecnico 1, Roma 00133, ItalyJ. Mechanisms Robotics. Aug 2009, 1(3): 031008 (8 pages)
Published Online: July 14, 2009
Article history
Received:
June 6, 2008
Revised:
January 8, 2009
Published:
July 14, 2009
Citation
Ciccioli, G., Pennestrì, E., and Valentini, P. P. (July 14, 2009). "Enumeration, Kinematic, Static and Mechanical Efficiency Analysis of Differential Screw Mechanisms." ASME. J. Mechanisms Robotics. August 2009; 1(3): 031008. https://doi.org/10.1115/1.3147188
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