Electronics Forum | Tue Jul 13 14:03:33 EDT 1999 | Earl Moon
| We are looking to automate the paste printing portion of our SMT process. We are looking at used equipment from DEK and MPM from 1994 onward.(DEK 260 & 265 MPM AP20 & AP27) Does anyone have some feedback or concerns with any of these machines? Does
Electronics Forum | Mon Apr 07 09:41:51 EDT 2008 | davef
We agree with Se�or Tech
Electronics Forum | Mon Apr 07 14:57:25 EDT 2008 | realchunks
What tells you your screen printer is at fault?
Electronics Forum | Fri Apr 11 03:30:40 EDT 2008 | joseph_gonzales16
yes MPM AP AXCEL is good im handling this machine for 5 yrs.
Electronics Forum | Wed Mar 03 07:29:34 EST 2004 | pjc
2D will give you on-line contrast inspection for paste coverage on the land. I would go with 2D on the printer when comparing to an AOI that will do the same contrast inspection. There are systems out there that will check paste hieght and area cover
Electronics Forum | Sat Apr 12 04:07:21 EDT 2008 | sessioc
Good Point. Also, what about the type of solder paste your using - Are you getting a good release from the stencil? What do your boards look like after you print?
Electronics Forum | Tue Jul 10 14:30:56 EDT 2001 | Claude Couture
We use Label& adhesive remover from M.G. Chemicals, cat. no.: 836-140g. It comes in spray can. Just spray and wipe.
Electronics Forum | Mon Apr 14 16:41:59 EDT 2008 | ck_the_flip
The added benefit to MPM SP's is that, it forces the operator to look at quality. She won't have 2d or 3d to rely on. Also, it places heavy emphasis on a good setup.
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.
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
