Category:PCB Assembly Solder Paste

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Solder paste is a material used in the manufacture of printed circuit boards to connect surface mount components to pads on the board. It is also possible to solder through hole pin in paste components by print solder paste in/over the holes.

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Paste Over Hole Insertions Reply 2017-02-02 08:03:40
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don_peter

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We are attempting to increase utilization of our Pick and Place equipment (MY9) by transfering more components into the SMT area. Large gains could be had if we can successfully place a metal socket with a lipped pickup surface into a circuit board hole measuring .070".
The screening process places paste over the board hole obscuring it from machine vision. We've busted two tools when the machine tried valiantly to place the socket just slightly off from the supposed hole location.
Should we be able to establish fiducials for each of a hundred socket locations? Or can we teach the machine the hole locations on an unpasted board, then paste, then place?
If we can figure out how to work this paste over hole situation it would expand to many other none electronics items.
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Barrette

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I have truly impressed by your post. Please keep us up to date like this.

mikenaly

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Marvelous posting.

Bartlomiej Hydrynski

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Your article answered all my puzzles.
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