Electronics Forum: cleaning (Page 2 of 577)

Stencil cleaning

Electronics Forum | Tue May 30 16:32:17 EDT 2006 | slthomas

Your aqueous (spray) and ultrasonic methods refer to cleaning of the stencil for storage between jobs. All others would be most common as in-process cleaning methods, whether with cloth or paper products.

Stencil cleaning

Electronics Forum | Wed Jun 14 20:05:19 EDT 2006 | Mario Berrocal

I would like to know if there is any information regarding how often to clean the stencil by the printer cleaning system. I am running a board with an ultra fine pithc QFP. Is there any guide available? Regards, Mario A. Berrocal

Stencil cleaning

Electronics Forum | Wed Aug 16 13:31:30 EDT 2006 | a_laser

You can stop cleaning after a job when there is no more paste in the apertures. Under wiping should be done with a quality cloth and should leave no paste on the underside of the stencil (assures good contact on the next print and reduces chances of

stencil cleaning

Electronics Forum | Tue Apr 02 13:35:02 EST 2002 | Mike Konrad

Hi Dave, God no! I am not suggesting that anyone should clean stencils by hand. My answer was facetious. The questioner asked is there was a �cheap and effective� way of cleaning stencils without purchasing equipment. Cleaning stencils by hand m

stencil cleaning

Electronics Forum | Fri Oct 14 14:09:19 EDT 2005 | bschreiber

Your problem is not the 0.4 pitch. Your problem is the manual cleaning. Manual cleaning will only remove the solder paste from the surface of the stencil. What's more, manual cleaning will force additional contamination into the 0.4 pitch apertures

Stencil cleaning

Electronics Forum | Mon Jun 19 17:00:39 EDT 2006 | a_laser

The most common rates of in-process cleaning (under wipe) I have encountered are once per 5 to 10 prints. But this depends a on a lot of variables. More often is typically better, but more costly in under-wipe materials. (For some more info see http:

stencil cleaning

Electronics Forum | Mon Apr 01 19:12:16 EST 2002 | Mike Konrad

�Cheap� is relevant. Is $ 3,500 for equipment cheap or expensive? If $ 3,500 is cheap, than we have a solution for you. If $ 3,500 is expensive, then purchase pre-saturated chemical wipes, latex gloves and a hazardous waste bin. As for �effective

stencil cleaning

Electronics Forum | Fri Oct 21 14:13:08 EDT 2005 | mafc65

1.- Clean bottom and top stencil with a cloth/alcohol at same time.Pay special attention to fine pitch locations. 2.- Clean again bottom stencil side .To prevent any residual of solder 3.- Blow air with a air gun under the stencil to remove the solde

Missprinting cleaning

Electronics Forum | Wed May 23 15:11:21 EDT 2018 | jacobidiego

Hi experts, I asked our chinese board manufacturer about their recommended procedure to clean miss-printing. The answer was that they use Absolut Alcohol while use IPA currently and we are moving to a water based cleaning agent with ultrasound. Th

cleaning spec

Electronics Forum | Wed Mar 08 21:54:08 EST 2006 | davef

nacl


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