Electronics Forum | Tue Sep 29 11:54:28 EDT 2009 | mikesewell
Here's a stab at it... Decide on how much overlap you need for your spray pattern and calculate your effective spray width. 4" spray with 25% overlap would be 3". Keep your units the same (unit lengths and unit length per unit time). Assumes your
Electronics Forum | Tue Jul 11 11:59:34 EDT 2000 | George English
Looking for some welcome advise again folks. We are currently using a reflow profiling software package which requires passing a data logging unit through the oven attached via thermocouples to a populated 'dummy' PCB. The problem is we have a very
Electronics Forum | Thu Aug 26 10:27:41 EDT 1999 | Wolfgang Busko
| | | I rotated my PCB -90 degrees. Now what's the formula to calculate the X-Y Coordinates of my component CAD Data? | | | | | | Thanks, | | | | | Not very difficult | | | | (Subscripts n = new, o = old) | | | | Assuming the same origin: | | |
Electronics Forum | Tue Oct 23 12:24:47 EDT 2012 | edmundo
thank you for the information .We are planning to send the units for analysis.
Electronics Forum | Fri Oct 19 01:33:30 EDT 2001 | ianchan
Hi, Encountered this deference to the vapour phase process that was supposedly "phased" out years ago? *pardon the pun* Any comments from folks who have used this proces before? how about folks who are currently using this process? even better, a
Electronics Forum | Thu May 26 19:32:13 EDT 2005 | Mike Konrad
Three popular methods: Resistivity of Solvent Extract (ROSE) Test Method IPC-TM-650 2.3.25: The ROSE test method is used as a process control tool to detect the presence of bulk ionics. The IPC upper limit is set at 10.0 *g/NaCl/in2. This test is p
Electronics Forum | Mon Jul 24 18:19:08 EDT 2000 | Darby
Nick, Like John says, it will only be a short time and you will "just know". In the meantime you might want to try - 1. All the placement machine manufacturers have show pcbs for the exhibitions, many of these show pitch and package types on the silk
Electronics Forum | Thu Jun 04 12:05:43 EDT 1998 | Anthony
Dear Dave, I have a "possible" solution to your problem, though I have never tried it myself. If you're trying to come up with a non-abrasive technique for removing solder-keep reading. If it's a faster method you desire, do yourself a favor and hi
Electronics Forum | Thu Feb 12 12:22:04 EST 2015 | barryg
Thanks for your input Rob, Our operator does not profile pcb's which so far we have not had issues that could be attributed to his oven settings. We may be running a pcb with a BGA on it and I was concerned about our lack of profiling. I have spent q
Electronics Forum | Fri Mar 29 15:43:26 EDT 2019 | tjs1634
We handle a similar SMTA quantity in house and use a 5 zone SMTmax AE-F530C 220V Single Phase Equipment Outline Size L-2000* W-612* H1220 mm Heat Zone Length 1000mm Equipment Weight 180kg Max power 7kW Belt Width 300 mm PCB Size 280x280 mm Comp
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