The processing tests on real images show that the accurate number of O-rings can be fast acquired with the image processing algorithms presented in this paper.

Influence of the seal ring s compressibility within gear pump on the bush s static balance;

Swelling characteristics of butadiene acrylonitrile rubber and polytetrafluoroethylene seal rings used in power transformers;

Mathematical model of swelling characteristics of butadiene-acrylonitrile rubber seal ring in full-sealed transformers;

By the analysis of the situation of sealant rubber ring application to the worksites of Xiaowa Oilfield, the main reasons re- sulting in the frequent leakage of sealant rubber rings are found out, thus providing the reference for the spot management of the same oilfields with viscous crude.

The design and application of fluorine-silicon rubber sealing ring in certain mini-transformer;

Characteristics of new magnetic fluid sealing ring;

Finite Element Analysis of Rubber Sealing Ring for Model 12150 Diesel Engine;

Since large diameter O-shape airproof ring mold receives large moment during manufacture, it is difficult to ensure the dimension precision requirement, the questions required attention during manufacture this kind of parts are mainly introduced.