用途：检测平板、平尺、机床工作台、导轨和精密工件的平面度、直线度。
Use: Test the flatness of plate, leveling ruler, machine tool working platform, guides and precision work-piece.
导轨架接高到10米时，需用丝线坠从正面和侧面分别找正导轨架轴线与底座平面的垂直度。
When the guiding track framework is joined to 10m, you should make vertical of guiding track framework's axle and the base from the front and side.
介绍了一种以弹性导轨为支承的平面三自由度微动工作台的原理、结构、设计计算方法及闭环控制的基本原理。
The principle, structure, design and calculating methods on micro displacement worktable with three degrees of freedom supported by elastic guides are presented.
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