triple roller guides 三辊导卫
Cam Roller Guides 凸轮滚子导轨
Cross Roller Guides 交叉滚子导轨
nylon-universal roller door guides 尼龙通用滚轮上坎架
The guidance roller supports the dummy bar when the casting process is just started. It also supports the soild state billet with liquid core and guides the billet direction in the casting process.
导向辊 的作用是对带液心的铸坯起支撑作用和导向作用，同时也是在开浇时对引锭杆进行支撑和导向。
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