Electronics Forum | Fri Jul 29 11:31:44 EDT 2022 | jojoled
Hi Guys, I have Juki PnP machine with 2 heads, and for some reason, whatever I do, I can not make the machine to use 2independent feeders for parallel picking up single component reference by both heads from 2 feeders. Example , imagine you have a
Electronics Forum | Wed Aug 10 09:56:09 EDT 2022 | jojoled
Hi guys, from certain time (not sure, but it could be power down last week) none of the 2 heads can succesfully pickup nozzle from ATC (after startup calibration is done, but in the calibration sequence the ATC height is not measured, it just calibra
Electronics Forum | Thu Aug 31 18:48:25 EDT 2023 | SMTA-64387600
I presume you have a local flux spray with your selective solder machine (I have no idea what you use). If I have a group of leads in close proximity like this, I would be trying to design a well and nozzle setup that I can use to solder all the joi
Electronics Forum | Tue Jun 08 11:54:17 EDT 1999 | Steve Skinner
| | | I'm encountering a new problem at my new company that I haven't encountered before in my past life - and that's Wave Soldering VIA holes. | | | | | | We've been getting a rash of defects that we call in this company, "insufficient solder in VI
Electronics Forum | Mon Oct 11 11:13:32 EDT 1999 | Wirat S.
| | | We've recently encountered this problem where one of our .050" pitch BGA's were reflowing at the wave thus causing shorts... The board was profiled with probes stuck to a QFP solder joint, an 0603, and one of the BGA joints. There was an almo
Electronics Forum | Tue Oct 05 04:23:38 EDT 1999 | Brian
| | | | Can someone suggest what material I have to use to protect components by electrical discharge on ptfe based boards? | | | | It should have high resistivity, thermal stability (-40 +70 'C),perfect adherence on ptfe... | | | | Many tahnks | |
Electronics Forum | Thu Sep 23 23:58:01 EDT 1999 | Earl Moon
| | Jackie's posting recently and responses to it got me to dondering. First, recollecting, we bought an IR rework station a couple million years ago. It had a IR source on a stand, a bunch of lenses, and Reynolds aluminum foil for shielding near-b
Electronics Forum | Mon Sep 27 12:19:19 EDT 1999 | John
| | | Jackie's posting recently and responses to it got me to dondering. First, recollecting, we bought an IR rework station a couple million years ago. It had a IR source on a stand, a bunch of lenses, and Reynolds aluminum foil for shielding near
Electronics Forum | Wed Sep 22 22:23:55 EDT 1999 | SY
| | | | | My stencil thickness is 6 mil and we got qfp's with fine pitch. | | | | | how many percent should i reduce my stencil aperture using a 6 mil stencil for 0.5 mm pitch and 0.4 mm pitch ? | | | | | | | | | | thanks | | | | | | | | | We use 6
Electronics Forum | Fri Sep 17 10:09:53 EDT 1999 | Wolfgang Busko
| | | | | | Hi, Can someone tell me how can I identify a finished product which make by SMT technology or not ? We assembly memory modules now and want to diversify our products range now. | | | | | | | | | | | | Thanks !!!!! | | | | | | | | | | |
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