Electronics Forum | Thu Aug 15 15:44:46 EDT 2002 | dragonslayr
You can't control what you don't measure. You have provided very little detail other than post reflow costs are high. What defects are attributed to problems experienced prior to reflow? Are these random or recurring defects? You will need to put ea
Electronics Forum | Wed Sep 18 15:41:59 EDT 2013 | cbeneat
For 0402's, if the operator is paying attention, our equipment Panasonic CM 402/602/NPM's run at about .001%. Again this is dependent on an operator that pays attention to the fail rate. We usually don't have too many problems with 0402's, LED's ar
Electronics Forum | Sat Feb 05 05:10:53 EST 2000 | Dean
It would be helpful to have some additional info on your line and process. Lets make some assumptions... Consider: re-tooling costs for your fab supplier. Can your supplier hold the additional tollerences for a larger panel. Can your supplier fab
Electronics Forum | Tue Sep 17 17:55:36 EDT 2013 | dilogic
Yes, I know all that, but I am interested in some real figures from the field. That is, what percentage of mispicks do you experience on average (for large runs, of course)?
Electronics Forum | Sat Feb 05 09:01:15 EST 2000 | Dave F
JS: The issue is not how efficiently/effectively that you can run your placement machine, probably. The issue is how efficiently you can run that part of your assembly process that is the bottleneck. Other than improving quality, optimizing any pa
Electronics Forum | Fri Feb 11 14:11:51 EST 2000 | jseagle
To be more specific we have a single Contact 3AV that can run the board in question in 5 minutes from placing the board into the machine till the time it comes out. Volume is expected to be low initially but expected to pick up. It just doesn't fe
Electronics Forum | Thu Jun 07 12:00:19 EDT 2012 | gnus
We've had similar issues in the past when we were running a My19 and a My12. What we decided to do in the end was allocate just enough parts needed for the first job (taking into consideration reject rate) so when another job comes around needing tha
Electronics Forum | Wed Feb 22 20:11:59 EST 2006 | slthomas
*Qualify* your equipment by running X boards, Y times, through each piece of equipment under normal operating conditions and quantifying the performance, as in a ppm rating. Then validate your process by defining all of the steps you use to generate
Electronics Forum | Sun Jun 24 12:45:51 EDT 2007 | Frank
I never thought about painting our copper piping. I always thought the patina that covers the pipes adds a bit of history and class, ya know an antique-feel, to the shop. I was in a shop years ago that used PVC piping for their air. From looking a
Electronics Forum | Tue May 16 02:12:58 EDT 2017 | robl
Hi Anthony, Hopefully some of the following may help: 1) Electrics - do you know the rating of each machine and the total load, and can your distribution box take it? Do you have the correct cabling and connectors in place to just plug the machines
