The finite element model of rubber dynamic auxiliary seal ring which was installed on the pusher type mechanical seal was established.
建立了滑移式机械密封装置上动态辅助橡胶密封圈的有限元模型；
2
To this end, a tire changer that features a mechanical bead pusher for mounting and demounting low-profile tires, ultra-low profile tires and run-flats is a must.