Electronics Forum | Mon Jan 26 21:28:55 EST 2004 | Dean
If this is in regards to the manufacturing floor: I can remember years ago I had an Fuji IP3 + MTU4. Used square magnets to hold tray stacks square to the machine. Manufacturing manager told me they should not be used. Apparantly the magnetic fie
Electronics Forum | Tue Mar 09 22:20:16 EST 2004 | Ken
Is this a PBGA? If yes. run a flat steel rule or edge across the top of the PBGA. Is it flat or cupped? Is this a TBGA (super bga). I have seen issues with a suppliers heat spreader design that actually will deflect the corners down and raise the
Electronics Forum | Mon Mar 08 11:18:42 EST 2004 | Dave Euser
Hi everyone....I'm a student working on a short research project on industrial control algorithms - and part of the scope that we are looking at is SMT pick and place machines. I was wondering if anyone knows what type of control is used for the no
Electronics Forum | Mon Apr 12 04:56:54 EDT 2004 | qualitel
Hi Eric, Every mounter have a standard count and "release" off the component. The sample and cost saving way is to use the paper (e.g: 4mil,5mil...thick) to measure. Just place on the PCB with supoort base below and release the nozzle step by
Electronics Forum | Sun Apr 11 20:03:46 EDT 2004 | Tom B.
You should add a Capacitor Discharge statement in ICT test Software. This could be done by selecting the nodes and have statements to connect relays to ground. Could be possible that the Selective Soldering system is the cause, as problems is now s
Electronics Forum | Wed Apr 28 17:41:44 EDT 2004 | longpham246
Hello! We placed quite a few of 0402 with our CP3 using 0.7mm nozzle with the same feeder as you had. Pick up can be adjust and calibrated, but that is not the problem, I agreed with you on that part. The trick is you have adjust and play around wi
Electronics Forum | Wed Jun 16 21:56:04 EDT 2004 | rodionp
For those who are not sure as to what exactly we do, please get familiar with the article: http://www.reed-electronics.com/semiconductor/index.asp?layout=article&articleid=CA71291&industryid=3026 Which is PCB Assembly Optimization, what we do is we
Electronics Forum | Mon Jul 19 12:57:59 EDT 2004 | Frank
Awhile back there was a thread here about needing to pick a BGA-type component that is dead-bug (ball-side up). The OP was looking for a special nozzle tip that will conform around the balls in order to pick the component. There were a few response
Electronics Forum | Thu Aug 05 20:11:31 EDT 2004 | Darren
Dhanish, There are a number of things to know before we can answer a large question such as yours. 1) what machine is being used. 2) how does the machine account for height at placement. 3) is the part rotated a large amount after placement. 4) is th
Electronics Forum | Mon Aug 09 07:42:52 EDT 2004 | C Lampron
Michael, We have a DRS-24 and are very happy with it. Look at the wobble in the nose cone that holds the nozzles and make sure it does not move. This will degrade your placement acuracy. The machine is very process oriented meaning that you can not
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