Electronics Forum | Thu Mar 29 09:11:23 EDT 2007 | slthomas
chrissie, at my last place of employment the reason they did it was so they could print the last of a lot, then change over the printer and start printing up for the next lot and have some ready to go when they finished changing over the chip shooter
Electronics Forum | Thu Mar 15 12:33:50 EDT 2007 | ck_the_flip
To do a profile at most companies, if you don't have a scrap board handy, you'll use the already-soldered board that's already been through ONE reflow cycle. You spend time attaching T/C's with the aluminum tape - after all, the prep-work is half th
Electronics Forum | Tue Mar 20 02:36:04 EDT 2007 | bvdb
Hi, Yes, the Q axis rotates easily both manually and with the use of the inching keys. What's interesting is that the hesitation occurs even if the Q-axis is pre-rotated before picking up the part so I don't think the Q-axis is actually being calle
Electronics Forum | Fri Mar 23 03:53:44 EDT 2007 | Guest
Hi Bert , I dont know much about IP , since I partnered our Fuji CP 6 with Siemens .At any rate, can you check your flat ribbon cable of your Ip's Head. I assume there one wire that is nearly breaking. During movement, head servo controller experie
Electronics Forum | Tue Mar 20 05:26:32 EDT 2007 | CL
Hi Chrissie, BGA Rework from one CM's view: 10% process problem (printing, reflow, voids, etc) 10% component failure (no other problem found) 80% "The board does not work therefore it must be the BGA" This, of course, is exaggerated. My point bein
Electronics Forum | Tue Mar 20 06:47:56 EDT 2007 | realchunks
I agree with CL. Most people blame the BGA cause it's a mystery chip to most people. Only after replacing the BGA several times do most people look else where. 90% of the time it's something else. Doing all your engineering work up front is the
Electronics Forum | Mon Mar 19 19:21:43 EDT 2007 | davef
We picture that the 'ridges' are partitions that run parallel in the box and are spaced wide enough to: * Hold the boards vertical by sliding them into the ridges * Prevent the boards from bumping together Can you rearrange these partitions to form
Electronics Forum | Wed Mar 21 10:00:13 EDT 2007 | slthomas
"Unfortunately breakaways aren't an option - they are large boards and we already have problems hand placing components and probing them." Not sure what this means in this context....if you frame the perimeter with a 1/2" border on a V-score, how do
Electronics Forum | Wed Mar 21 10:30:15 EDT 2007 | ck_the_flip
Chrissie also says, "Before anyone suggests it - redesign of the boards is not an option!!", so I'm assuming that re-design means panelization too. She's probably sitting on thousands of these unpanelized PCB's in stock. Now, for the future, as Ste
Electronics Forum | Tue Apr 03 15:48:35 EDT 2007 | Cmiller
If the Bliss carts would help you can cut some money out by buying aluminum bakers carts at your local restaurant supply house for less than $100/each and then buy ESD trays from another local source (Bliss is rather pricy). You will have to hang a c
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