密封和紧固的效果好。
紧固的标准是:砂轮牢牢固定住,而轮缘又不会变形。
Tighten enough to hold the wheel in place, without distorting the flange.
液压紧固的方法也会遇到一些这样的困难,并且还会带来现场改造的相关问题。
Hydraulic tensioning also shares some of these problems and adds problems with field retrofit.
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