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Desktop Pick and Place Machines

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Hey guys!

   I am conducting some research on pick and place (pnp) machines and thought I'd ask the best around. For those of you who don't know, a pnp machine is a manufacturing tool which can very rapidly and precisely pick up and place small surface mount electronics onto a circuit board, where they can be reflow soldered. 

For fellow hobbyists/professionals such as yourselves, what are your thoughts on the concept of a desktop pick and place machine, designed for at home use? 

What are your thoughts on current pick and place machines in the market such as NeoDen?

 If you do own a pnp machine, which brand, and what are your thoughts so far? What kind of projects do you/would you use it for? If you would like one, what has stopped you from purchasing one? Are there certain requirements you are looking for before purchasing?

If you do not want one, why? Do you feel the value added by a pnp machine justifies the cost which can be anywhere from $2000-$6000?

All responses and opinions are welcome!

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I build this https://www.youtube.com/watch?v=FrGPu49nKsw pick and place machine, I need help about to integrate vision system thanks in advance....

Just now, Zahid Gul Khan said:

https://www.youtube.com/watch?v=FrGPu49nKsw

 

I build this https://www.youtube.com/watch?v=FrGPu49nKsw pick and place machine, I need help about to integrate vision system thanks in advance....

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Thanks HarryA for reply, I have visit this but its in JAVA, I wrote my own software (mean GUI) in C#, I just need basic example on rotate component when its angle is not in right position (please don't mind my English)... thanks again.

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There is  information here on Visual Servoing that maybe helpful;  particularly  the numerous references at the end of the article.

https://en.wikipedia.org/wiki/Visual_servoing

If you look at a bmp file of a smd image like this one (I could not find an image of the bottom of a smd).

You can see the white background as FF FF FF and one scan line across the component highlighted.  So in theory one could  find the four corners and calculated the rotation and any x y offset. In bmp files the image is inverted.

If you only need the rotation then only part of one edge would be required to calculate it I believe.

smd compoint.png

 

1318371064_smdcomponentbmpcode.png.cf9ceafda0074eec486d289fd145911e.png

smd compoint.bmp

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