Electronics Forum | Fri Nov 18 15:12:45 EST 2005 | bocci572
Can anyone tell me if there is an industry standard on how much of a space should be between PCB's in a convection reflow oven? Thanks
Electronics Forum | Sun Nov 20 01:27:21 EST 2005 | C. Kolokoy
Try an experiment where you profile the assembly with 3 consecutive boards in the oven spaced just 1" apart versus just 6" apart and then 12" apart. You figure most ovens have about 12 - 16" heating zones, so for your typical 8"x8" PCB, you'd have w
Electronics Forum | Sun Nov 20 08:22:27 EST 2005 | stepheniii
It can also depend on the board. A board with 160 through hole BNC's requires more spacing than most boards.
Electronics Forum | Thu Mar 23 14:17:47 EST 2000 | Finepitch Services
Stuart, My suggestion is a DFM meeting (most of the process people dream about a meeting like this, and luckily, I've been to a few) with: - project manager (if there's one) - customer service rep (annual volume, lot size, product life) - smt proce
Electronics Forum | Thu Mar 23 14:17:47 EST 2000 | Finepitch Services
Stuart, My suggestion is a DFM meeting (most of the process people dream about a meeting like this, and luckily, I've been to a few) with: - project manager (if there's one) - customer service rep (annual volume, lot size, product life) - smt proce
Electronics Forum | Fri Dec 03 03:06:45 EST 1999 | Charley Qin
Is there a generally acknowledged loading interval of PCB for Reflow proces?
Electronics Forum | Wed Jun 26 04:00:30 EDT 2019 | SMTA-David
Thanks, I'll take a look. Something else I found was the Z height for the module was set to 1.7mm but I am picking up the part on the PCB surface which is only 1.0mm from PCB being loaded, therefore the part must have been let got 0.7mm above PCB an
Electronics Forum | Wed Apr 06 11:10:47 EDT 2005 | smt_rookie
We process a double-side reflow board (10 ups). Chips and IC's on the bottom side while chips, IC's plus thru-hole connectors and IC sockets on top side (bottom side first then top side reflow). In the past, we were not encountering any soldering pro
Electronics Forum | Fri Dec 03 18:27:09 EST 1999 | Dave F
Charley: As Wolfgang says, you're unlikely to be able to put enough (average) boards in a modern reflow oven to be able to thermally load the machine. Ta Dave F
Electronics Forum | Wed Oct 17 02:53:36 EDT 2001 | dszeto
The fine pitch QFP is a 240 pin one being loaded with other components on a 2.0mm thick FR4 PCB. There are 6 of this Qfp's on this PCB showing the same charactristic of bowing therfore the solder fillets are vary from the center to the end of the pa
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