Electronics Forum: sand (Page 1 of 6)

Floating part at wave.

Electronics Forum | Fri Sep 08 13:14:14 EDT 2000 | Charlie

Can any one tell me where to get sand bags used to hold parts down at wave?

Cleaning Copper Surface

Electronics Forum | Thu Jan 28 13:26:20 EST 2010 | plerma

how about a light sanding ?

Cleaning Copper Surface

Electronics Forum | Tue Feb 02 11:59:20 EST 2010 | stepheniii

How about sanding then plating fresh copper?

Securing components for wave soldering

Electronics Forum | Wed Jul 14 08:00:01 EDT 2004 | davef

Bags of sand might work. For background discussions on this approach, search the fine SMTnet Archives on: bag* and wave

Solderability problem II

Electronics Forum | Fri Jan 16 15:34:56 EST 2009 | black5629

Thanks, we tried using some very fine sand paper and did improve. Any one know of any chemical that would work.

Cleaning Copper Surface

Electronics Forum | Thu Jan 28 14:04:08 EST 2010 | smt_guy

We tried light sanding but we still have to find out the proper way not to sacrifice the evenness (surface level) of the surface. The flatness of the surface is a requirement.

Inspect workmanship through conformal coating

Electronics Forum | Wed Sep 07 16:31:26 EDT 2016 | mnorthey

You can inspect joints using an X-ray machine and we use a sand-blaster type machine which blasts (Starch) to remove the conformal coating. (Carbo Blast). However; the inspection should be done prior to Coating, as we all know some jobs are rushed t

Has anyone done breakaway tabs with v-score on both sides instead of mouse-bites?

Electronics Forum | Wed Jul 26 11:47:56 EDT 2017 | proceng1

We've sanded bites before, but with these volumes, it would kill it. Thanks

Re: solder mask removal

Electronics Forum | Wed Jan 05 16:46:44 EST 2000 | Dennis O'Donnell

Several methods work well. 1. (Low Volume Method) Using an Xacto blade, scrape off the solder mask holding the blade flush being careful not to use the pointed part of the blade. 2. (High Volume Method)Tape off the area that you don't want the mas

Reflow profile negative temp ramp rates

Electronics Forum | Thu Apr 11 11:26:34 EDT 2002 | johnw

Dave, I sand corrected since I know you wouldn't steer me wrong...although the lst time I looked at the IPC spec for a solder profiel it was still designed for older generations of paste and were specifically water wash biased although that doesn't c

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