Electronics Forum | Thu Jul 19 22:42:04 EDT 2001 | jax
I assume since you talk about adjusting the locking pin and changing tooling you believe the part is not being held down with enough force while being reflowed. Is this because the insufficent and open solder you mentioned is the lead sitting on top
Electronics Forum | Sat Feb 05 09:01:15 EST 2000 | Dave F
JS: The issue is not how efficiently/effectively that you can run your placement machine, probably. The issue is how efficiently you can run that part of your assembly process that is the bottleneck. Other than improving quality, optimizing any pa
Electronics Forum | Thu Feb 03 20:45:28 EST 2000 | Gary
I have worked with the PDR type rework station on and off for 12 years and have found that the IR can offer a lot of advantages over hot air. As was mentioned the lack of nozzels is a great advantage. The back heater takes a while to warm up but on
Electronics Forum | Sun Jan 23 13:16:02 EST 2000 | Mike Gamble
No insult intended but you are either brave or being bullied by design. My guess is the latter as no assembly plant really likes doing things against the grain of norms. We have done Via in Pad with reasonable success but it is fraught with hidden tr
Electronics Forum | Wed Jan 05 10:50:29 EST 2000 | Phil B
Hi Greg, I have the same problem over here in Belgium. I have been looking to rent an X-ray but for the moment I only found Glenbrook as a possible source. So I would be very interested if you find any alternative. Furthermore I am also interested i
Electronics Forum | Sat Dec 18 14:27:42 EST 1999 | g cronin
clarissa like in the other response if you have good technical support internally you can have good results with used equipment. We have run used chipshooters and pick and place equipment, but if we didn't have qualified personel internally to serv
Electronics Forum | Tue Dec 14 11:13:43 EST 1999 | Chris May
Paul, I have (as many have) come across this problem due to misregistration of resist at the PCB fab. You didn't say if these boards are inexpensive double sided or costly multis. I know this shouldn't make a difference on quality but I would tend t
Electronics Forum | Thu Dec 09 17:29:15 EST 1999 | Russ
Mike, It sounds like you have a serious problem, I don't know much about drag soldering or what your specific soldering problem is with your present supplier. I do know that with a conventional solder machine these leads won't even make it through
Electronics Forum | Fri Dec 10 06:06:54 EST 1999 | Wolfgang Busko
Hi Glen, looks like flux or solder mask problem. In your first mail you said that only some boards show these symptoms and others not. First I would check on the differences between those Boards, manufactorer, solder resist, contamination. If that d
Electronics Forum | Sun Dec 05 22:43:27 EST 1999 | dreamsniper
Charley, Though my reply is quite late, it might be a good info for you and i hope that this info could help or could provide you some views. Some companies practice at least 1 board gap, which means the length of the pcb you are currently loading,
