轧机导卫板是用于控制轧件进入或离开轧辊的装置。通常导卫板由铸铁制成，在某些小型轧机情况下，也可由钢制成。必须将进来的轧件导入正确的孔型并精确地抬高到所要求正确的高度，因为在现代轧机中，精轧机座的进料速度是非常大，一出故障会导致轧件误入孔型和“弯斜”或在轧机平面上乱穿，这不仅非常危险，而且在时间和材料上也会造成很大的浪费。
... 低导卫反进行轧制 roll by guide 导卫板 fore plate; foreplate; guide shoe 出口导卫板 exit guide; outlet guide ...
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对受高温磨损破坏的导卫板进行了失效分析，认为导卫板主要受到了疲劳磨损和磨料磨损。
The guide piece, which was worn seriously under high temperature, was analyzed. It is show that the wear mechanism of guide piece is fatigue wear and abrasive wear.
以预扩散合金粉为主要材料研制了一种导卫板堆焊材料，并对某厂轧机导卫板进行了堆焊修复。
A kind of new surfacing material was developed with pre-diffused alloy powder as main constituent, and the rolling mill guides were repaired.
试验结果表明，该材料具有优良的高温耐磨性、热强性、热稳定性及抗氧化性能，是适用于制作优质导卫板的材料。
Test results show that the material hase excellent wear - resistance for high temperature, hot hardness, thermal stability and tarnish resistance. It is applied to produce high quality guide.
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