Electronics Forum: rework and settings (Page 1 of 54)

Process control, SMT inspection and rework

Electronics Forum | Fri Apr 12 15:48:33 EDT 2002 | jersbo

SPC for each assembly(I use C(for board defects)NP(for unit defects) at the end of reflow to determine process capabilities determine Control limits. Once control limits are set, inspectors stop the process until out of control limit is addressed and

Max and Min nozzle settings on CP7

Electronics Forum | Tue Jul 20 04:16:02 EDT 2004 | Charles Huang

Wondering if there any CP7/F4G programmers out there that can help me out with this one. I'm assuming the setting for max and min nozzle in the "environment" section of the part data would allow me to use either the specified max OR min nozzle in th

Max and Min nozzle settings on CP7

Electronics Forum | Mon Aug 02 13:06:10 EDT 2004 | jbabson1

If the CP7 is like the CP643, it defaults to the MAX size unless that nozzle is skipped. Then it would switch to the next smaller nozzle on that head.

Max and Min nozzle settings on CP7

Electronics Forum | Sat Jul 24 04:02:18 EDT 2004 | kent_peterson

Two ways at it.You could just put the same nozzle for both the min and max.Or you could move the feeder into a location that has similar parts using the nozzle you want. With the feeder setup it should be optimized for the least amount of nozzle ch

Max and Min nozzle settings on CP7

Electronics Forum | Sat Jul 24 04:02:21 EDT 2004 | kent_peterson

Two ways at it.You could just put the same nozzle for both the min and max.Or you could move the feeder into a location that has similar parts using the nozzle you want. With the feeder setup it should be optimized for the least amount of nozzle ch

Process control, SMT inspection and rework

Electronics Forum | Wed Apr 10 10:32:39 EDT 2002 | slthomas

Ask your compadres how you can control a process when it's output has already been completed? If you do second side assembly before you inspect the first side, you can't possibly apply real time corrective action. I know what I'm talking about in t

BGA rework and reliability

Electronics Forum | Thu Oct 22 11:11:58 EDT 1998 | Hon

Dear all, What are your views on reworking BGA's? I mean, with the BGA going through reflow temperatures four times or more, and with a manual reballing process, wouldn't it raise up a few reliability issues? Would you consider not doing rework on

Post- and pre-reflow rework

Electronics Forum | Tue Jan 04 08:02:54 EST 2005 | Mike

Hi!! Where can I get information about Post- and pre-reflow rework? Some links, opinions?? Please Tell me? I would like to know too some methods and cost effective ways,that how we can rework repair printed boards? Thanks!!

Post- and pre-reflow rework

Electronics Forum | Tue Jan 04 15:28:22 EST 2005 | davef

Look here: * Circuit Board Repair and Rework Guide [ http://www.circuittechctr.com/guides/guides.shtml ] * 7711/21A - Rework and Repair Guide [ http://webvision.ipc.org/scripts/mgrqispi.dll?APPNAME=IPCWEB&PRGNAME=TOCFRAME&ARGUMENTS=-N,-N,-A,-A,-N50 ]

Pre- and post-reflow rework

Electronics Forum | Mon Jan 24 06:15:38 EST 2005 | David

Hi everyone! Is here anyone, who has experience about closed-loop feedback (AOI) with Pre- and post-reflow rework. I need too some internet links, whic handle by this subject. Thanks!!!

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