Mechanism of magnetic liquid flowing in the magnetic liquid seal gap of reciprocating shaft

Decai Li; Haichun Chui; Qingxin Yang

doi:10.1117/12.510328

29 April 2003 Mechanism of magnetic liquid flowing in the magnetic liquid seal gap of reciprocating shaft

Decai Li, Haichun Chui, Qingxin Yang

Proceedings Volume 5058, Optical Technology and Image Processing for Fluids and Solids Diagnostics 2002; (2003) https://doi.org/10.1117/12.510328
Event: Optical Technology and Image Processing for Fluids and Solids Diagnostics 2002, 2002, Beijing, China

Abstract

In order to solve the problems that exist in the magnetic liquid seal of reciprocating shaft, we have set up an experimental facility, which composes a camera, a microscope, a step-by-step motor, a pin roller screw, a reciprocating motion shaft, pole pieces, a permanent magnet and the magnetic liquid in the seal gap. Through the optical technology and image process of the experimental facility, we have studied the magnetic liquid flow in the seal gap when the reciprocating shaft moves with different velocities and strokes, this study especially concentrates on 1) the regular pattern of such flow; 2) the loss quantity of magnetic liquid caused by the reciprocating motion shaft; 3) the failure reasons of this magnetic liquid seal and 4) the design of a new structure for the magnetic liquid seal of reciprocating shaft. The application indicates that the new structure is very effective in some occasions.

Citation Download Citation

Decai Li, Haichun Chui, and Qingxin Yang "Mechanism of magnetic liquid flowing in the magnetic liquid seal gap of reciprocating shaft", Proc. SPIE 5058, Optical Technology and Image Processing for Fluids and Solids Diagnostics 2002, (29 April 2003); https://doi.org/10.1117/12.510328

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