The bushes and bearing pins of the rubberOring roller chains were characterized by stress fatigue wear and adhesion wear;
形圈链条中销轴和套筒的磨损主要以疲劳磨损为主，并伴随着粘着磨损；
2
In chapter 6, the structures and functions of damper are discussed, some design guidelines of the rubberoring damper are developed.
第六章，讨论了阻尼器的结构和特性，提出了阻尼器结构设计的几个要点。
3
The design calculation of the large Oringrubber self energized seal (without bolt and nut )used for the vacuum equipment and its application results are introduced.