Electronics Forum | Thu Feb 04 09:18:18 EST 2010 | mika
Problem! Then replace the motor! Why not replace be belt anyhow? How long was it since the last time you replaced any belt? Another thing you could also do; In the LP (Low Power) chassis lower front left, find the correct motor servo card and "Null
Electronics Forum | Tue Jan 26 09:33:24 EST 2010 | smt_guy
Hi, I have a copper plate that we received from supplier with oils and some sort of stains. We tried most of the general type of degreasers by soaking but didn't work until we tried a Floor Stripper from Ace and it does make the copper clean and shi
Electronics Forum | Thu Apr 15 20:01:24 EDT 2010 | sarason
I normally use a particularly aggressive Hand Cleaner for cleaning oil off your hands at garages/ workshops and then Benzotriazole. The Hand cleaner comes from an industrial chemical supplier. It usually contains some NaOH while most Hand-cleaners do
Electronics Forum | Thu Apr 15 20:07:38 EDT 2010 | userrich
"BiRAL SC" is a water displacing cleaner. - effective for cleaning most metals including carbon- and stainless steel, copper, aluminium etc. - cleans electrical motors, brush holders, bearings, armatures etc, - cleans and treats most types of plastic
Electronics Forum | Tue Jan 26 10:26:54 EST 2010 | bandjwet
Dear SMTNetters: Based on your experiences is it really necessary to have today's YAG laser-fabricated stencils electropolished? I undertsand that this "requirement" is a carry-over from the days of CO2-fabricated lasers where the hole wall quality
Electronics Forum | Wed Jan 27 13:55:47 EST 2010 | patrickbruneel
Randy, Thank you for the acknowledgment. The IF2005Mz is a solvent based flux (not water soluble). I agree with you that the original IF2005M had a very narrow process window. In 2000 we modified the blending procedures and blending equipment which
Electronics Forum | Mon Feb 01 14:24:45 EST 2010 | boardhouse
Hi Jamyboy, I would find out from DDI what the 70% was rejected for, Could have been a repeat issue due to a scratch in artwork or something like that. I would not just jump and tell them to rebuild all until you know the facts. DDI is a very re
Electronics Forum | Tue Feb 02 08:50:20 EST 2010 | stepheniii
Is it possible the 70% are marginal and the board shop is being uber picky? I've seen a huge range of quality standards for board shops. And considering the cost of the boards I think a boardshop tour would be warrented to get firsthand knowledge o
Electronics Forum | Tue Feb 02 09:05:41 EST 2010 | rway
First, why are they rejecting the boards? Are they rejecting them based on your acceptable limits or is it due to the standards they are using. Companies typically have standards that the board house must adhere to before shipping the product (depe
Electronics Forum | Tue Feb 02 17:10:03 EST 2010 | flipit
Remember this is a 30 layer PCB. If it is built in a multi up panel, there is lots of room for error. Lets say there are 10 circuits per panel. Say you have a 10% scrap rate that happens randomly within the 10 up panel of circuits. Apply this 10%
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