Electronics Forum | Wed Aug 01 08:55:02 EDT 2007 | pavel_murtishev
Good afternoon, The last percent might be using Valor�s software :-) This is a cure for production I must say. They have developed next Valor�s version called Vplan. It has virtual sticky tape module and you can check first piece on PC by means of i
Electronics Forum | Tue Jul 31 08:05:12 EDT 2007 | aj
Hi all, I was just wondering if everyone has experienced a significant rise in cost of solder bar & paste over the last 6 months or so. I use Alpha SACX and we have seen roughly 50% increase in cost . Just wondering what others are paying per kg?
Electronics Forum | Tue Jul 31 14:28:20 EDT 2007 | karkanov
Hello, On customer want to make a aluminium board. It will have SMD Led on it. Like I never "played" with this before can someone tell me what I know to know on that new thing. What kind of reflow profile we need. What just I be aware of, is
Electronics Forum | Wed Aug 01 18:14:13 EDT 2007 | swag
We had the same trouble. We baked our boards out but the delamination continued very random. One board would be fine and the next was a nasty explosion of delam. Switched material - no problems since. I never found out the technical reason behind
Electronics Forum | Wed Aug 15 10:21:15 EDT 2007 | severs
Sounds like you might need a firm with experience. Jade Equipment Corporation is ace with this kind of work having been a captive machine builder to IBM for almost 60 years. Here is a link to their corporate slide show. http://www.jadecorp.com/cp2005
Electronics Forum | Mon Aug 20 17:02:41 EDT 2007 | vervin
Now you are talking. Stick feeders are too slow and paint to work with unless you are doing a bunch of low volume boards. Stick feeders belong in the front of the machine. It's easier for the operators to keep any eye on them. The rear of the machin
Electronics Forum | Fri Aug 03 14:44:36 EDT 2007 | rpadilla
Depends on the manufacturer of the paste... Rosin-based-flux solder paste usually takes 12-24hr's to fully oxidize with open containers. Water-based flux usually is 3-12hr's, but some have a 24hr open container shelf life... However, uncertain unt
Electronics Forum | Sat Aug 04 03:39:39 EDT 2007 | ahdo
Good day, can i seek an advice regarding wave soldering. Will it be advisable to reload the board two times to improve its barrel fill volume? If yes, what is the maximum number of times we can repeat wave soldering on the same board. If no, what
Electronics Forum | Mon Aug 06 15:34:34 EDT 2007 | Hussman
I assume you are ref to top side wetting. In that case you may need to spray the top side of the board with flux to get it to fill. I would suggest ceaning the board afterwards. And yes you can rerun boards through the wave several times. Most pa
Electronics Forum | Mon Aug 06 17:29:07 EDT 2007 | gsala
Hi Gents, I heard people having concernes by using 2512R SMD resistors due to potential solder joint reliability defect(CTE mismach among ceramic/alumina+solder+PCB) when soldered by lead free alloys (SAC like). Any experience/news about solder j
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