Electronics Forum | Mon Oct 21 18:31:45 EDT 2002 | MikeF
Mike, If your wave solder machine doesn't have enough preheat capacity you can put the board in an oven and warm it part way before you put it into the wave solder machine. This works best with a spray fluxer, as a warm board will collapse the foam
Electronics Forum | Tue Oct 22 12:43:05 EDT 2002 | Brian W.
I think you need to define what it is you are looking for. Changeover time, Efficiency and measuring run time to your quaoted time are important, as is quality. You need to look at all of these things to determine the "health". It does you no good
Electronics Forum | Mon Oct 21 09:58:28 EDT 2002 | cnoonan
We hare having an issue with our chip shooters misplacing or not placing parts all together. We have traced it back to our adhesive machine. We are using both single and double dot nozzles. I feel that the biggest problem is excessive amounts of g
Electronics Forum | Thu Oct 24 15:45:10 EDT 2002 | seand
Hello TEC, This may be a good question for the Apps Engineers at your dispenser manufacturer. By providing the identity of the epoxy and the components you are placing, they should be able to make some recommendations for getting the proper dispens
Electronics Forum | Thu Oct 24 17:23:12 EDT 2002 | slthomas
The logical course seems like you would just back off on the shot size or go with a smaller diameter nozzle, but if this is something new and you've been running fine up until recently then something has changed. Check the condition of your nozzles.
Electronics Forum | Mon Oct 21 10:05:53 EDT 2002 | John S
We just started using DEK's pump print process on a high volume SMT line. We are using Hereaus 955. It works well for most components, but we have an issue with missing/partial glue dots on large diameter deposits (0.050"). The stencil will be com
Electronics Forum | Tue Oct 22 14:55:50 EDT 2002 | slthomas
Dave, are you telling me that yer tryin' to pawn that off as a superscript "degree" symbol??? Wass' wrong with 183C, fer criminy's sake? (fighting urge for more defensive ranting) I'd swear a couple of old posts changed the way they displayed after
Electronics Forum | Wed Oct 23 11:59:52 EDT 2002 | slthomas
Yeah, but the one's you're typing aren't displayed that way to me, anyway. They're all 00000000000000000000000000's. Hmmmm, let's see what happens when I post this: ° o O Those that I just typed all show up the way you apparently expect them to,
Electronics Forum | Wed Nov 06 05:13:01 EST 2002 | Dreamsniper
Crystalline flux if it is really clear should not be a problem. We were using Amtech paste before and we have the same results. Sometimes we mistakenly see it as a dry joint because of the reflections from the lighting of our Metcal inspection system
Electronics Forum | Wed Oct 23 15:33:38 EDT 2002 | Randy V.
Dye penetrant is a liguid that will wick through very small cracks. I used over 10 years ago for checking cracks in glass feedthru's in hermetic packages. You put the dye on one side of the seal and developer (white) on the other side and the red dye
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