Electronics Forum: small and parts and hling (Page 4 of 11)

tape splicing pros and cons

Electronics Forum | Thu Sep 22 10:48:08 EDT 2005 | Rob

Cheers Greg, It's unusual to have such direct access to manufacturers & their opinions. I'll tell you what really does get us, and splicing doesn't work well on these occaisions - big SMD connectors, requiring deep pocket feeders. You only get m

Leaded and Lead-Free Wave Parameters

Electronics Forum | Wed May 21 08:16:57 EDT 2008 | tonyamenson

Good morning gentlemen, I could use some advise as to the min / max windows for the wave process. We have had little problems with our leaded wave but when applying the same process to lead-free wave we are having problems. Obvisouly the temps are

Leaded and Lead-Free Wave Parameters

Electronics Forum | Wed May 21 13:59:19 EDT 2008 | pjc

Here's what I've seen for no-clean flux applications: Leaded: Dwell Time is? 2 - 3 seconds Top side board temp max? If some small SMT parts reflow are we too hot? 110 to 120C top side board temp just before hitting the wave(s) Pot temp. 245C Lea

First Off and P+P Data

Electronics Forum | Wed May 25 17:58:07 EDT 2011 | rssimmons

The SimmScope is a first article inspection system that uses an overhead digital microsope on a motorized gantry to inspect the board - much like an AOI - except that it does not automatically make the pass/fail decisions. It is up to the operator to

Printer and Reflow Oven Recommendations

Electronics Forum | Fri May 22 12:42:43 EDT 2015 | deanm

Sr. Tech, you are right in that there is no verification of the profile. We are a Class 3 high mix OEM. We have visual inspection after SMT. We have not seen problems with wetting, grainy solder, cold solder, charred boards, etc. that would indicate

Juki pick and place ?

Electronics Forum | Tue Sep 02 18:49:05 EDT 2008 | jlawson

Juki machines generally are great machines for reliablity and maintaining overall accuracy as they have full linear (mag-scales) encoders on XY axis and self calibration features. Laser centering has its pros and cons - mostly pros, but can have iss

Re: BGAs and vapor phase

Electronics Forum | Mon Jul 19 12:37:15 EDT 1999 | Wolfgang Busko

| | | | | Hi, SMTASSY | | | | that�s what we do, soldering our double-sided-finepitch-BGA-and all-the-other-stuff-boards in vapourphase because it�s the only thing we have. | | First, we do not do real series produktion, only prototyping up to som

Re: SMT Pick and Place

Electronics Forum | Sat Jun 13 00:25:59 EDT 1998 | Scott McKee

Last October I purchased a Mydata over a Phillips and Amistar. I've done things on my Mydata that is impossible on the other machines. I can build the top side and the bottom side of two boards at the same time (I print both sides at once). I can "

Re: SMT Pick and Place

Electronics Forum | Wed Jun 10 06:36:09 EDT 1998 | RogerB

Were in similar situation last year and opted for the Mydata. Very satisfied ! | | Our company is currently looking to implement a SMT production line. What I am looking for is feedback on people's experiences with various machines. | | Here's what

tape splicing pros and cons

Electronics Forum | Wed Sep 21 10:40:18 EDT 2005 | PWH

Splicing for us has been a rough go as we haven't really found a tool that works well/fast. We have a few different machines = different feeders. They all react different to a splicing "style". The best so far is a crimp tool that crimps a brass s


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