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- Changchun Rongde Optics
- Co.,Ltd.
- Add：No.1666 Yaan Road,
- North Lake Development District,
- Changchun 130102,China
- Tel：86-431-81881745
- Fax：86-0431-85256892
- E-mail：rongdecui@roundss.net
- Skype：adacui_roundss
Linear encoders！
Changchun Rongde Optics Co.,Ltd. Release time：2016/10/21 Browse：806Linear encoders have evolved over the years to provide extremely accurate position information. Their principle of operation depends upon sensing position from precision graduations (position codes) etched on a linear scale. They come in both con tacting and non-contacting types, and their length is primarily limited to their temperature-sensitive coefficient of expansion
to preserve accuracy. Most modern scales are glass, and optical sensors detect the graduations. (See Figure 9.04.) The benefit of a non-contacting type is typically longer life because it uses optical components instead of brushes or a contacting wiper. All optical encoders contain a light source, light detector, code wheel or scale, and signal processor
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