复合式光电编码器精密轴系设计及准确度分析
Acta Photonica Sinica（2010）
Abstract
为了提高复合式光电编码器的轴系准确度,运用一个径向密珠轴承与两个轴向止推密排轴承相结合的结构设计了大空心轴精密轴系,并对轴系误差进行分析.通过该方法设计的精密轴系径向跳动δ<3μm,解决了大空心轴轴系准确度差的问题,提高复合式编码器的测角准确度,应用该轴系研制的复合式光电编码器准确度σ<2″.
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Key words
Composite optical encoder,Close packing ball bearing
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