Electronics Forum: passes (Page 1 of 143)

manual stencil print 2 passes

Electronics Forum | Mon Dec 22 12:14:15 EST 2008 | pcbbuilders

we sometimes have problems with solder paste release. we use a manual stencil printer. does anyone have any thoughts on using two passes of solder paste on the stencil? i have found that running the second pass gives me better deposits on the fine pi

manual stencil print 2 passes

Electronics Forum | Tue Dec 23 17:34:07 EST 2008 | davef

We hear you talking two main issues: 1 Solder paste release 2 Thoughts on using two passes of solder paste on the stencil 1 Solder paste release * Check your aperture & aspect ratios [Search the fine SMTnet Archives for more] * Do a better job with

manual stencil print 2 passes

Electronics Forum | Tue Dec 23 14:45:06 EST 2008 | comatose

One thing that helps is to divide large pads into a series of smaller pads. This prevents the scooping you're talking about.

manual stencil print 2 passes

Electronics Forum | Tue Dec 23 15:06:25 EST 2008 | evtimov

It depends how manual is the printer. you need to control pressure and speed. If you control both by hand, it is difficult to discuss results. If the pressure is controlled by the printer, than you should be able to do it by one deposit. Also is the

manual stencil print 2 passes

Electronics Forum | Wed Dec 24 20:11:43 EST 2008 | xianhua_tang

hi,brettc! Our stencil openings no more than 4mm * 4mm, you have a larger component of the pads is more than a 4*4? At the same time, with the thickness of the stencil, I would like to increase the printing speed can be improved to reduce the thickne

Dek 249 loosing print speed setting after a few passes

Electronics Forum | Wed Jul 20 16:51:48 EDT 2005 | Pete Roy

My Dek printer "forgets" the speed setting after a few passes and reverts to a faster speed thus screwing up the print. If you edit and change the programmed value and save it, all remains find kind of like refreshing the memory. Any suggestions, I

Dek 249 loosing print speed setting after a few passes

Electronics Forum | Fri Jul 22 01:31:39 EDT 2005 | fastek

Peter- You're not going to solve this problem here. Call DEK.

Dek 249 loosing print speed setting after a few passes

Electronics Forum | Wed Aug 03 10:08:57 EDT 2005 | Me

Try this: http://www.adamtech.co.uk/support.html

Dek 249 loosing print speed setting after a few passes

Electronics Forum | Thu Jul 21 22:22:50 EDT 2005 | Ken

Hey, Peter. back in the mid 90's I reversed engineered their drive system because of a dispute over print speed malfunctions. I prooved correct that they had made published claims about their drive topology that were not true. They agreed to redes

Stencil Printing: Single pass vs. Double pass

Electronics Forum | Wed Dec 19 15:23:32 EST 2007 | arun2382

Hi, How do single pass and double pass stencil printing compare? Is one preferred to the other? Any risks associated with double pass stencil printing? thanks in advance -Arun

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