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Axis alignment detection 1

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engtiuser2

engtiuser2

Mechanical
Oct 13, 2015
43
I am looking for a fast and easy to detect the alignment (misalignment w.r.t horizontal plain) of the wood shaft (10mm diameter, 20cm long) which enters a work area. The shaft is to be fed along the its axis direction with feed rate of around 10 ft/s. The accuracy should be within 0.2 mm per ft.
 
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I don't have any potential solutions, but I expect the people who do will want to know:

Are you trying to measure a translation away from the plane, or the angle between the shaft axis and the plane (or both)?

Do you need to quantify the misalignment, or just provide a go/no go signal?

If you need to quantify the misalignment, what range of misalignments must the solution be able to cope with?​

A.
 
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I image the detector will be calibrated to setup the perfect plane (say X) as reference. The shaft came in will be checked against the plane for displacement and rotation as store the misalignment value. The detector should be able to measure linear displacement of +/-10mm and angular misalignment of +/-10 degree.
 
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The shaft length is about 5 ft long and they will be fed into the work area continuously, hence, there is no possibility to mounting anything on the wood. i don't think digital vernier can measure moving object. I was thinking about remote sensing through optical measures (e.g. laser, camera....etc).
 
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Computer vision, yes, is there any particular system which can be used in my application.
 
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Lots of choices for hardware, but that's not the issue; you need to be able to specify your problem well enough for someone to wire the code that processes the images

TTFN (ta ta for now)
I can do absolutely anything. I'm an expert! faq731-376 forum1529 Entire Forum list
 
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The only down side is computer vision system can be expensive.
 
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How about this for conveyor rollers ?
Screenshot_from_2021-01-21_18-52-56_hrnted.png

Now think about what you are feeding the wood shafts to and what that does to the problem statement.
 
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