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1/11/2011 2:07 PM | |
Joined: 6/7/2010 Last visit: 7/9/2024 Posts: 571 Rating:
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Hi Deep, 1] Disadvantage of Magnetic tape is that it can very easily be corrupted by a magnetic force.But in photo electric it is not possible. 2] Magnetic tape measure can become difficult to use when it is used over long distances.But Linear scale is easy to fix. 3] Magnetic tape will be easily affected by dust.But linear scale with Photo sensor is well protected . 4] Photo sensor accuracy will be more , when compare to Magnetic tape. 5] Photo Electric linear scale is expensive, when compared to Magnetic tape. 6] Position accuracy is High, when compare to Magnetic tape. 7] Travelling speed is High, when compared to Magnetic tape. 8] For CNC feed back, linear scale with photo electric is the best. For DRO we can use Magnetic tape. And find the attached file of Photo sensor in linear scale. AttachmentPhoto sensor.pdf (130 Downloads) |
Regards, |
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