Electronics Forum | Tue Aug 02 14:05:42 EDT 2022 | jojoled
Hi Evtimov,thanks. Well the "paralell pick" doesnt work at all if place the feeders exactly 104mm apart (for example feeder position 31 and 43) which is exactly the distance of the 2heads..even I put the feeders in 10 and 50 for example, it still pic
Electronics Forum | Wed Oct 22 06:06:54 EDT 2008 | stanyserrao
1CA64011 and 1CAFE011 UsedBy Display 1CA??011 Cause The Vision_type in part data is expressed using hexadecimal notation ("??"). If "??" equals 1E, 64, 78, 79, AC, or FE then boundary detection could not begin because the nozzle was bent.
Electronics Forum | Wed Sep 26 14:58:46 EDT 2001 | bobm
i have stored boards in the refrigerator in side a tray (with a lid) for 2 days and still had them reflow with no problems. i don't know if i would go any longer than that. i would not put any qfp's or any other device that is moisture sensative dev
Electronics Forum | Mon Sep 03 16:51:58 EDT 2001 | edmentzer
We have stored PCB's in the refrigerator twice when our old pick and place died during production. One time the boards were in the frig for two days. I put the boards in a tray and covered the tray with plastic food wrap. We waited about two hours
Electronics Forum | Tue Sep 04 11:09:25 EDT 2001 | blnorman
As the others have stated, moisture is the killer. You have to be sure no moisture is allowed to get to the paste. If it does, you'll get solderballs. I would suggest not using a vacuum. The solvents and other volatile components of the flux will
Electronics Forum | Tue Apr 27 15:43:41 EDT 1999 | Joseph Holmes
Another basic soldering question. I notice that lead-free solders have become required for plumbing applications due to legislation. In a local hardware store, I noticed the existence of lead-free solders (based upon tin-copper I think) with a melt
Electronics Forum | Tue Sep 04 09:12:35 EDT 2001 | caldon
Moisture would be my main concern. Even though components are plastic, they can absorb moisture. Moisture is also detrimental to the the solder itself. The water droplets that are left behind (evaporated even) could cause problems (i.e. chlorides).
Electronics Forum | Thu Sep 06 22:34:15 EDT 2001 | davef
The more we talk about this, the more it seems like you should use the process we've discussed to proof your design. Immediately there after, you should use a top-flight high-mix contractor to continue the prototype run for you. If you don't have t
Electronics Forum | Tue Sep 18 10:43:59 EDT 2001 | henriksn
Hi, And thanks for the advice. I have tried your method now, and it seems to be working. By visual inspection with a microscope it was almost impossible to tell the differrence between the pcb that had been in the frig and the pcb's that were normal
Electronics Forum | Mon Sep 03 08:56:26 EDT 2001 | henriksn
Hi everyone, I work in a development firm, that has a small prototype department. We have recently invested in a small automatic SMD pick&place machine. When mounting over 100 different components, the machine runs out of feedercapacity, and the res
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