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SMT electronics assembly manufacturing forum.


Lead Hardness specifications for leds at Radial UIC

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#61131

Lead Hardness specifications for leds at Radial UIC | 16 February, 2010

I am currently placing LED's with a RAD 5 machine and developed cutting problems with a specific LED. I am not having problems with other similiar LED's where only the color is different. After dispensing to the clip all is well. After going through the cutter station, one leg of the part will come out of the carrier clip and of course mis-insert. I suspect that this led has a different hardness than the others causing it to snap out of the clips after being cut. Does know of a IPC standard for lead hardness.

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#61150

Lead Hardness specifications for leds at Radial UIC | 17 February, 2010

We're aware of no such specification.

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#61153

Lead Hardness specifications for leds at Radial UIC | 18 February, 2010

Have you moved this LED to a different dispensing head? I have seen some dispensing heads that are out of adjustment cause the same problem. Jerry

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