Electronics Forum: diode sc90 (Page 1 of 1)

SOD323 and SC90 bounceing parts in final PNP stages.

Electronics Forum | Sun Mar 04 01:56:37 EST 2012 | eadthem

What we have had recently is a lot of larger thin (32 thou) thickness boards that have had issues with SC90 diodes bouncing off the pads in the final PNP machine. Our setup, universal instruments GC120 or quad beam 30 spindle lightning heads. This m

SOD323 and SC90 bounceing parts in final PNP stages.

Electronics Forum | Sun Mar 04 07:48:50 EST 2012 | dilogic

Are you sure that the parts are bouncing? We had similar problem where diodes were placed very closely and occasionally nozzle pushed already placed part away (due to pick-up tolerance)...

SOD323 and SC90 bounceing parts in final PNP stages.

Electronics Forum | Sun Mar 04 09:53:00 EST 2012 | eadthem

What i have on the original 2 problem boards is the parts next to it are SOIC8 and placed using a 125F(.125" dia) 1 of witch is close and we have to Z zone it to place the SOIC last, the others have more than .02" clearance on all sides. The other

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