Electronics Forum | Tue Apr 02 13:35:02 EST 2002 | Mike Konrad
Hi Dave, God no! I am not suggesting that anyone should clean stencils by hand. My answer was facetious. The questioner asked is there was a �cheap and effective� way of cleaning stencils without purchasing equipment. Cleaning stencils by hand m
Electronics Forum | Tue Dec 18 12:23:52 EST 2001 | mparker
Dermot - please review a recent thread, titled "Where's the drill?" It was started sometime last month. One of the more prolific posters of this forum had a problem. Many replied with various comments. Your mothballed system is a problem waiting to
Electronics Forum | Mon Dec 17 11:20:12 EST 2001 | slthomas
Well, I was able to convince them we had a serious problem on the poorly reflowed boards without spending 2k on off- site analysis. Now all we have to do is sort out the ones that flowed well but had solder balls (looks like a damaged stencil prob
Electronics Forum | Mon Dec 17 07:34:07 EST 2001 | Adam
Dear Colleagues Does anyone know or care to share any information as to typical torque values ( N/cm ) for components that have been placed using screen printing surface mount adhesive, using a plastic stencil ? Are there any industry set shear test
Electronics Forum | Sat Jan 05 00:13:16 EST 2002 | Chris Veeneman
I have experienced the same problem with my Mark 3. I found the problem to be the solid state relays in the electrical control panel. Towards the front of the machine below the breaker rails. My oven's computer screen would show all was fine but my
Electronics Forum | Mon Dec 31 08:59:36 EST 2001 | Don Adams
The second pass in the wave is pretty extreme and will probably aggravate the conditions which caused warpage in the first place. Areas to look for problems, The lay up of the boards at fabrication or the materials used can lead to warpage. Work wi
Electronics Forum | Thu Jan 03 08:32:28 EST 2002 | davef
You're correct. There's a range of issues. Two perspectives are: * TI and other suppliers has been shipping lead-free solderability protected leads on components for years. We have discussed, here on SMTnet, a need to adjust the reflow profile to
Electronics Forum | Fri Jan 04 15:34:49 EST 2002 | fmonette
As Dave mentioned we have put together a MSD audit checklist to insure that your internal procedure is complete and in line with J-STD-033. It's a free download at http://www.cogiscan.com, click on Moisture Sensitive Devices to access the MSD Knowle
Electronics Forum | Thu Jan 10 06:52:51 EST 2002 | Dreamsniper
I'm using Kic Profiler and aluminium tape from Kic and thermocouples from Kic. They are good and reliable. I even manage to modify my heller 1088 by adjusting the fix conveyor and re-baffling the oven. Had dropped my 20-22 deg. C delta T down to 4.3
Electronics Forum | Wed Jan 09 06:37:04 EST 2002 | renocassar
I was contacted in order to set up a factory in order to produce home and car alarms equipment. I wish to use a fully automatic SMT line. That is I want a pcb unloader, glue dispenser, conveyers, Pick and Place machine and unloader. The maximum board
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