横梁导轨采用阶梯式结构，选用进口重载滚柱导轨支撑，刚性强，定位精度好，动态特性佳；
The guide rail of girder applies step structure, selects imported heavy-load roller guide rail support, with strong rigidity, good orientation precision and good dynamic feature;
随着机床速度的提高，导轨的使用也由滑动向滚动转化，滚珠导轨和滚柱导轨的需求数量在急速上升。
Along with engine bed speed enhancement, the guide rail use also by skids to rolls the transformations, the ball bearing guide rail and the roller guide rail need quantity rapidly is rising.
起重机。带滚柱轴承起重机导轨轮。轴承盖。
Cranes; crane rail wheels with roller bearings, bearing covers.
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