Electronics Forum | Fri Aug 26 10:02:31 EDT 2005 | S vaughan
Hello, Can anyone comment on the implications of small sodler balls under a leadless device such as LLP with a centre thermal land. I believe that we did not make a good reduction and the paste squeezed out of the centre land and balled up under the
Electronics Forum | Fri Aug 26 17:27:48 EDT 2005 | saragorcos
Hello there, Most probably, since the solder balls are entrapped, it is a process indicator, but refer to IPC 610-6.5.3.1 on Excess solder / solder balls / splashes - it really depends on what class you are manufacturing, and the minimum electrical c
Electronics Forum | Wed Aug 31 12:49:04 EDT 2005 | kmeline
I have been having the same problem with the LLP. I have three stencil I have done reduction on. The first I went by the manufacturing recommendations. The last two I have done more reducing for the thermal pad. The last one was at a 20% reduction an
Electronics Forum | Fri Aug 26 22:12:27 EDT 2005 | iwan
Folks, I have been trying to get information about Malcom SP2 Solder Paste Softener spin speed from Internet and still waiting from supplier. Does anybody know about that one spin speed info? Also how to determine spin time to get a good paste base
Electronics Forum | Mon Aug 29 09:09:04 EDT 2005 | stalkerb
Hi, Looking to generate some discussion on the merits of using the ERSA Versaflow inline selective soldering machine as a real alternative to wave soldering in sub 100 batch size low volume high mix production PCBA Production. I work for a tier 1 C
Electronics Forum | Mon Aug 29 11:47:25 EDT 2005 | stalkerb
Do you have expierience of this type of Machine. approx how many product types are you running on your wave/ersa...? and approx batch sizes We have had a 5060 for about 1 year and it has been a revalation. your input is appreciatted as i am consi
Electronics Forum | Tue Aug 30 15:29:17 EDT 2005 | pr
I agree with cmiller on almost everything except the fluxer. I have not found that to be the slowest part of the process. On a slightly populated board, preheat will be the biggest cycle time killer. On very highly populated boards, time spent at the
Electronics Forum | Mon Sep 05 05:47:32 EDT 2005 | stalkerb
We have found the service to be OK, however we are in Western Europe. We do have a local Agent for ERSA, and things were a little slow at first.........however we now deal directly with a contact in the Factory. This seems to work out well.
Electronics Forum | Thu Sep 15 06:59:33 EDT 2005 | Adam
Hi, No we did not look at Pillerhouse, We were not particular fond of "moving the product" principle to selective (i.e using a gripper over a static nozzle), as often this requires pallets, and our sister plant had already completed testing which a
Electronics Forum | Mon Aug 29 18:14:20 EDT 2005 | OverTheHill
Good day, We use Loctite 3616 for securing SMD's to the PCB before wave. On rare occasions, we have to remove and replace the secured part. Our operators are having a diffucult time removing parts (large QFP's, etc). My questions to this forum: 1)
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