Electronics Forum: 2sec (Page 1 of 2)

profile ramp starts in??

Electronics Forum | Mon Feb 20 19:35:28 EST 2006 | darby

From Indium Guru, (Hi Rich). "Ramp can be taken anywhere.... but mainly you want to look at the ramp when the flux is doing it's job. For the Indium paste, I would set a ramp rate of 100 to 200 (or 120 to 210).. somewhwere in that range should provi

Squeegee speed for Sn/Pb

Electronics Forum | Thu Sep 15 16:35:08 EDT 2005 | slthomas

I wouldn't expect them to define squeegee speeds any more than they would tell me which printer, squeegee blade, or surface metallization to use. Start at 1"/sec. and see what it looks like. Try 2"/sec and .5"/sec. and see if they're any worse or b

Mysterious reflow problem

Electronics Forum | Thu Sep 24 04:49:45 EDT 2009 | d0min0

that crossed our minds - overloading of the oven but in reality we produce 5 references with very little output difference (close to 2 sec difference) so it should be a problem since a few yeats and on all references...? no only on 2 references from

Anyone have experience/comments on SAMSUNG SMD placement machines

Electronics Forum | Mon Sep 14 17:36:34 EDT 1998 | Robert Steltman

We are looking at a third P&P machine for our factory. I have received brochures on a SMASUNG CP30V machine. It looks great and has all the plus points for a contract manufacturing company such as ourselves. The basic specs are: 14400 cph - 3 heads

Re: Cleaning PCB's after routing

Electronics Forum | Thu Jun 04 22:18:40 EDT 1998 | David Newman

1/8" cutters, although they can only be used with our newer height-controlled machines. 3. Reduction of operating parameters. Reduced Z-axis plunge rates for the larger cutter sizes. 4. Addition of a 1/2 sec. dwell at the plunges. The small pause he

'Blue solder' residues

Electronics Forum | Wed Oct 27 09:39:54 EDT 2004 | loz

Hi all, been recently wave soldering some pcbs with no problems and have now noticed what looks like blue residues on some solder joints. We have been running this product for around six months and this is the first time we have seen this. It is rand

Selective Soldering

Electronics Forum | Mon Oct 03 16:02:55 EDT 2011 | artposada

The machine does not have pre-heating feature. I'm soldering a six-up panel...I've tried putting them a an oven and letting them soak for 20 mins or so at a low temp. But by the time I placed the panel in the machine and manually fluxed the top sid

SN100C Selective Solder Voiding

Electronics Forum | Wed Nov 12 18:58:19 EST 2008 | joeherz

I attended SMTA's copper dissolution webinar this morning and am almost convinced that this is not our problem. Still planning to do cross sections to verify but our dwell times are nowhere near levels that could cause a problem assuming good platin

Re: Wave Solder Dwell Time

Electronics Forum | Tue Nov 07 02:50:41 EST 2000 | CharTrain

A solder wetting balance will indicate a time of less than one second for wetting to occur to a solderable surface. The additional time is required to get the metalized surfaces up to soldering temperature. A single sided board has very little mass a

Re: Anyone have experience/comments on SAMSUNG SMD placement machines

Electronics Forum | Tue Sep 15 13:30:40 EDT 1998 | Dave F

We are looking at a third P&P machine for our factory. I have received brochures on a SMASUNG CP30V machine. It looks great and has all the plus points for a contract manufacturing company such as ourselves. The basic specs are: 14400 cph - 3 he

  1 2 Next

2sec searches for Companies, Equipment, Machines, Suppliers & Information