Electronics Forum: what (Page 526 of 1843)

reflo oven settings

Electronics Forum | Thu Mar 16 17:07:10 EST 2006 | russ

No kidding! You need to post that again while we are all in the mood! That way we can see what Larry has to offer.

Fighting solder beads

Electronics Forum | Thu Mar 23 06:38:30 EST 2006 | pavel_murtishev

Good afternoon, We can use type-3 solder paste, but what for? Type-3 solder particles are larger than type-4. Probably this will cause even worse release. BR, Pavel

spareparts to JOT conveyor

Electronics Forum | Mon Mar 20 11:08:17 EST 2006 | Chunks

Spare parts? Like what? If it's your belt motor, try cleaning out the gear box attached to it. 99% of the time it's the lube in this gear box that dries out and turns to glue.

QFN32 Vision Type on Fuji FIP3???

Electronics Forum | Tue Mar 21 05:56:24 EST 2006 | aj

Hi All, Can anyone advise what the most suitable Vision type to use on QFN32 inspection Fuji FIP3 Machine. Also the P=Pattern.. Thanks in advance, aj...

Are COMTRA belt feeders still available?`

Electronics Forum | Tue Mar 21 21:17:15 EST 2006 | alphaman

I recently acquired a couple of COMTRA belt feeders. I did not get any instructions. Can anyone tell me what the adjustments on the back of each are and how they work? Or, can anyone tell me how to get technical data for the feeders?

Conformal Coating Machines.........

Electronics Forum | Wed Mar 29 13:18:17 EST 2006 | Alex

We use an Asymtek C-741 with 2 heads for silicone and acrylics but no convoyer. What type of head and product will you use ?

Conformal Coating Machines.........

Electronics Forum | Wed Apr 05 07:50:10 EDT 2006 | Choppy

Good idea, pick the most difficult of your PCB and watch the final result. If you can, go to each company and watch the machine how it coats your board. You'll see what is the most suitable for you.

Heat Sink for QFP

Electronics Forum | Fri Mar 24 14:06:07 EST 2006 | mdemos1

Hi. We are designing in a 128 pin LQFP that has a heat sink in the center of the package. The size of this is 7.44 by 7.55 mm. Can anyone recommend what pad size should be on the board for this? How about stencil aperture/pattern? Thanks, Mike.

Typical SMT Machine changeover times?

Electronics Forum | Mon Apr 03 19:57:49 EDT 2006 | ajca20

Take a kit to your prospective pick N place company and whatch or help set it up. So you can see what it takes.

Flux Residues In Lead Free Wave Soldeing Process

Electronics Forum | Tue May 09 14:19:52 EDT 2006 | Larry (not THAT Larry)

Smartasp - What are your lead to hole ratios like? Dial down the flux and open up the holes, if you can. Keeping at least a 14-20 mil gap between min hole/max lead solves the hole fill problem. L


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