Electronics Forum | Tue May 08 09:50:19 EDT 2007 | patrickbruneel
Hi Loco, Good point!! The good old glass plate works just fine as long as the conveyor or carriers have L shaped fingers. A glass plate is usually about a � inch thick (a lot thicker than the actual board). With L shaped fingers the bottom of the gl
Electronics Forum | Thu Mar 10 21:16:38 EST 2022 | proceng1
How far from apertures is the label supposed to go? I'd say 1 inch is plenty. 3/4 inch might be plenty also. Do you have the ability to measure paste height? I'd say place the label on one board and print two. Is there an appreciable differenc
Electronics Forum | Tue Dec 06 04:38:43 EST 2005 | mskler
check the placement height of the head, That can be checked by manual up & down of head on conveyor the nozzle should just soft touch the conveyor. Also check the down speed of head.
Electronics Forum | Fri Oct 09 06:32:38 EDT 2009 | davef
Here's what is on that post referred to, not sure what you need more than ... "* Stencil material: metal or plastic, no difference in print, metal is easier to clean, no static problem, available * Stencil thickness: Chips 0.006", SOIC 0.010" [print
Electronics Forum | Fri Jun 29 23:10:02 EDT 2001 | Danial
Thanx for the reply guys!! The problem happened on only one PBGA, the balls are eutectic and the paste volume height is at 5.96 mil min. The stencil opening has been increased to 30 mil which initially was 20 mil. You guys are right!! One probable
Electronics Forum | Mon Jul 14 13:45:17 EDT 2008 | ck_the_flip
Patrick... Contact LENGTH as in inches, mm, or cm...not time..is decreased with a slower belt speed. The slower the speed, the less contact LENGTH with the wave per unit time ...whereas at a faster speed, your leads are contacting more solder, th
Electronics Forum | Tue Mar 16 08:38:59 EST 1999 | George Verboven (Process Engineer)
| | In the early days, we used screens made of stainless steel or polyester. Sometimes - after A period - the tension was not good, because A wire was broken. | | Later on we started to us metal stencils, glued in A polyester screen. even than we had
Electronics Forum | Mon Nov 09 09:44:22 EST 2015 | davef
Purpose. This describes setting-up a wave soldering system set-up for a new assembly design or checking a wave solder machine operation with a test board. Applicability. To be used for new design printed circuit assembles and during machine accept
Electronics Forum | Thu Oct 18 11:59:38 EDT 2012 | jackofallmasterofnone
1) At this time we do not have a design engineer. I have contacted the PCB manufacturer about changing the drill file to close up the diameter on the holes a bit. This should allow the wings on the leads of the component to rest on top of the holes i
Electronics Forum | Fri May 14 16:08:38 EDT 1999 | Chrys Shea
| | | | | I am looking for anyone who has converted over to VOC Free flux. I need some info on any problems, etc. that you might have had. | | | | | | | | | | Please E-mail me at wes.ruggles@vickers-systems.com or call at (513) 494-5229 | | | | | |
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