Electronics Forum | Thu Mar 21 16:45:31 EDT 2013 | dyoungquist
We have been using a Heller 1707EXL (7 zones + 1 cooldown zone) for lead free (ROHS) soldering since 2007 with good results. I wouldn't go any lower than 7 heat zones though. If I may brag a bit....The IPC-7095 revision C standard was released a fe
Electronics Forum | Tue Mar 19 13:32:21 EDT 2013 | rgduval
In the past, I've used kapton tape for masking, as well as masking tape and solder mask as you've described. I've also used dummy connectors, or connector caps to cover connectors/pins. In the end, though, I'm not sure any of these methods decrea
Electronics Forum | Fri Mar 22 10:33:58 EDT 2013 | mbrett73
Hello guys, I´m pretty new on pcba process and I´m writing to see if you can help me, we have combo process om pcb for UPS boards and we are facing a lot of shorts after wave the boards. We did few tests with different fluxes different profiles chan
Electronics Forum | Wed Jul 10 19:17:06 EDT 2013 | m20lara
Hello all. I was hoping that maybe someone has a > manual for a Omniflo 5. Build year is 1998. > Photocopies would be greatly appreciated, and > willing to pay. Even if we could put down a > deposit, you send the manual we do the photocopy > and
Electronics Forum | Mon Apr 01 08:09:36 EDT 2013 | babe7362000
We currently have an AOI after reflow, and I was wondering how others have thier line setup? Does the AOI operator have to get up and get a board from the oven to run, or should the SMT operator hand the AOI operator a board. The AOI operator does
Electronics Forum | Tue Apr 02 17:22:50 EDT 2013 | microaide
That makes some sense. By knowing the coordinates of the leftmost and rightmost feeder, the others can be interpolated. As long as they are all the same type of feeder. But I still don't see how to configure an assortment of different types of vibrat
Electronics Forum | Tue Apr 02 14:24:35 EDT 2013 | hegemon
Too many hands in the bucket, unless the owner is one of the engineers. Typically flux is not rated or classified by "feel". What are you soldering? Wires? Components to PCB? What is your cleaning capability or requirement? Aqueous? No-Clean? Ul
Electronics Forum | Thu Apr 11 21:20:04 EDT 2013 | dman97
Hello. I am having a problem with a CP3 machine. This machine decides every so often to kill 24v power to its self. At first I thought it was a bad 24V power supply, but I swapped it out and it still decides to occasionally kill its self. I also re
Electronics Forum | Mon Apr 15 21:00:57 EDT 2013 | dman97
Hi, I have another problem. This time with a vintage 1995 GSM machine. Upon startup, I am seeing a part to pad LED tower time out. The GSM knowledge base says to change they relay at CR1 on the power distribution board. On this machine, the power
Electronics Forum | Thu Apr 18 19:00:06 EDT 2013 | jorge_quijano
Hola.. I have several PCBs with some kind of oxidation, my supplier has told me that there is no problem with that oxidation, it will have no effet on soldering and press fit processes, PCBs were received 1 year ago, but they are well packaged and h
