Electronics Forum: knead (Page 1 of 4)

DEK HORIZON 265 Squeege Pressure question

Electronics Forum | Mon Nov 11 21:44:06 EST 2019 | kylehunter

> Knead pressure, is normally at or slightly lower > (maybe 25%) than print pressure... Ahh makes sense. Couple other quick questions if you don't mind: 1) Currently do kneading after 15 mins of no activity, with 3 knead passes, is that n

DEK HORIZON 265 Squeege Pressure question

Electronics Forum | Mon Nov 11 20:26:37 EST 2019 | kylehunter

Alrighty... Problem solved - ended up not being a problem at all. So, what I didn't realize, was that the knead pressure was 5kg, and the first print was always kneaded, so that's why the set pressure showed 5kg. After it was done kneading, the set

DEK HORIZON 265 Squeege Pressure question

Electronics Forum | Mon Nov 11 21:19:06 EST 2019 | dekhead

Knead pressure, is normally at or slightly lower (maybe 25%) than print pressure...

Working Paste Before Printing

Electronics Forum | Mon Mar 18 20:49:46 EST 2002 | djarvis

We leave the next days quantity out overnight. Never had to do more than 4 kneads. On the inline we don't do any and the VMP 100s we only do one. Only seem to require kneading on the old clam shell printers - don't know why! That's with Indium SMQ 92

Warming up solder paste at start of days production

Electronics Forum | Thu Jul 22 15:18:28 EDT 2004 | russ

Remove the paste from the fridge the night before, If you feel the need to knead we just put the paste on the stencil and work it a little bit with a spatula. Russ

Warming up solder paste at start of days production

Electronics Forum | Sat Jul 24 04:18:39 EDT 2004 | kent_peterson

Microwave? Try some steel wool next time. Are you cookin food in that microwave? I would love to see that documented into a process. You could look at changing the solder paste you use. Knead it up other than that mate.

solder paste

Electronics Forum | Fri Jul 29 10:03:02 EDT 2011 | blnorman

At a previous location we used the Semco cartridges. Occasionally the operator would have to scrape down the stencil and knead the paste back in. That would keep the paste on the edges from drying out. It was just standard procedure.

Board support issues

Electronics Forum | Tue Sep 18 13:58:01 EDT 2001 | ert002

50%) only over the appertures where there was poor support. Most prints took 2 knead strokes to print OK, but this caused fine pitch leaded devices to almost short. stencil had to be be wiped after kneading. 2 similar devices with exactly the same

Stencil Inspection Equipment

Electronics Forum | Wed Aug 29 20:48:09 EDT 2001 | Jones

I know this is not the answer to your question but it may help until you get the right cleaning process in place. I have found that kneading the paste with 3-4 double strokes during the first print has aided in bring our defective ppm down somewhat.

Reusing Solder Paste

Electronics Forum | Fri Sep 13 14:21:49 EDT 2002 | blnorman

Run a test, but in our experience, yes you can reuse the paste. We ran tests on paste that was left on the stencil at the end of second shift, we put the paste back on the stencil the next day on first shift with no problems. You definitely want to

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