Electronics Forum: number of reflows (Page 1 of 92)

Repeated reflows

Electronics Forum | Tue Aug 24 14:49:21 EDT 2004 | Rush Fan

I was notified that one of our operators took it upon themselves to run a board assembly through our reflow oven multiple times when he discovered what looked like incomplete reflow. Based on this being done, its been asked of me how, if any, has the

maximum number of reflow cycles for rigid PCB?

Electronics Forum | Thu Mar 15 21:09:07 EDT 2007 | KEN

Cecil, the board is a component.

maximum number of reflow cycles for rigid PCB?

Electronics Forum | Thu Mar 15 10:28:46 EDT 2007 | cecil

Just askin but why would someone even want to subject an assembly to even 6 reflow cycles? As far as how many cycles that an assembly can be subjected to, wouldn't that be determined my your components?

maximum number of reflow cycles for rigid PCB?

Electronics Forum | Thu Mar 15 09:58:22 EDT 2007 | KEN

Anyone know which IPC document covers this? Me thinks 6....but want the IPC spec. to back this up.

maximum number of reflow cycles for rigid PCB?

Electronics Forum | Thu Mar 15 20:49:16 EDT 2007 | davef

There is no IPC document, nor should there be. Look here: http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=48102

maximum number of reflow cycles for rigid PCB?

Electronics Forum | Thu Mar 15 12:33:50 EDT 2007 | ck_the_flip

To do a profile at most companies, if you don't have a scrap board handy, you'll use the already-soldered board that's already been through ONE reflow cycle. You spend time attaching T/C's with the aluminum tape - after all, the prep-work is half th

Work out number of pallet needed

Electronics Forum | Wed Aug 23 02:48:11 EDT 2006 | ec

Hi, Appreciate someone could advise or forward a format to me how to work out number of pallet needed for wave-solder if the machine speed is at 1.0m/min, volume per month is 4500 sets, pallet length 0.3 meter, conveyor length 5 meter...... Looking

Work out number of pallet needed

Electronics Forum | Wed Aug 23 08:08:25 EDT 2006 | aj

There are a few variables that you have to consider : 1. Hours available on Wave Machine ( are other products going thru the same wave) 2. What beat rate are the boards being supplied from previous station?i.e. do you envisage the waveto be a bottl

Need help to find part number of this top mark

Electronics Forum | Wed Jan 14 23:08:58 EST 2015 | vmam99

What is part number please help. http://image.ohozaa.com/view2/y64BPUKtiypZovyB

Need help to find part number of this top mark

Electronics Forum | Fri Jan 16 04:04:59 EST 2015 | philc

This looks like it might be a Fairchild part. Try emailing them with the marking, and see what they say.

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