Electronics Forum | Fri Dec 16 10:25:14 EST 2005 | GS
Hi Liza - polystirene monolayer (blend ?) could be sealed at less presure, ie 35-40 PSI. Temprature could be 165�-170�C. For sure after sealed you shoud make sure the sealing strength (peel strength)should meet min 15-25 N.(bet avg from 25 to 45 N)
Electronics Forum | Sun May 28 19:02:11 EDT 2006 | grantp
Hi, One thing, getting back to the original topic, is you might want to panelize these boards as much as possible, as you don't have too many components, but you have some good volume. So the machine changeover time is going to be an issue. Althoug
Electronics Forum | Mon Aug 28 10:51:51 EDT 2006 | SWAG
http://www.brigarelectronics.com/Merchant2/merchant.mv?Screen=PROD&Store_Code=BE∏uct_Code=GP-MF552&Category_Code=C Seems to be working well. I didn't remove the housing from the machine = recal. The placements are right on, it's just a bit out of f
Electronics Forum | Thu Aug 24 15:54:13 EDT 2006 | davef
It depends. What is: * Storage environment and period * Board laminate, epoxy, and copper thickness of PTH * Down stream process * Etc FR4 0.062" thick boards absorb between 0.08 to 0.1%Wt of moisture within a 24 hour period, and 0.2 to 0.23%Wt in
Electronics Forum | Mon Nov 27 22:19:13 EST 2006 | ppcbs
800 degrees? Ouch! I find that every company that I do training for has at least one person that likes to go through one tip a day. The solution is tip tinning. Tell your operators to wipe the tip on a damp sponge often. Do not buy your sponges
Electronics Forum | Sat Nov 04 07:46:36 EST 2006 | itwasbill
Hi all, What are the pro's and cons of pasting ahead? The definition of pasting ahead for this question is the act of pasting 10 or 15 pc boards and then running then repeat. I do not like this philosophy. I'd prefer to paste, run, reflow then
Electronics Forum | Tue Jan 23 11:37:13 EST 2007 | electronhose
Here in the Great White North, the best way to check our CM's compliance with the ESD 20.20 is to take a couple months worth of data during heating season and graph it against the outside temp swings. You can easily see how the HVAC system keeps up,
Electronics Forum | Wed Feb 21 12:40:44 EST 2007 | jmelson
There is a Quad 1000 in eBay stores, but I can't get much info on what a Quad 1000 can or can't do. It appears to be a "chip shooter", but can it do 0805 passives, too? Does it need an option to do those? Does the 1000 have some form of optical ce
Electronics Forum | Mon Mar 19 06:53:38 EDT 2007 | chrissieneale
Hello - adding to my other current questions on here at the moment - i have a storage problem. I want to fix it by not having to store the boards at the end of the SMT line at all, but i have a feeling it might take a while to get to that point, so
Electronics Forum | Tue Apr 03 05:09:04 EDT 2007 | Haris
hi it looks like that you got this machine without money or simply like you robbed it. Even if you buy second hand, atleast you know how it works, SECONDLY WHY YOU DO NOT HAVE ITS MANUAL BOOK. OK, BELIVIEING IN THE ABOVE OPTIONS, if you ON pressing
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