Electronics Forum: understencil (Page 1 of 2)

stencil cleanin

Electronics Forum | Fri Oct 14 07:56:32 EDT 2005 | davef

On understencil cleaning: * It's a good idea to do this to reduce printing defects, as you say. * We clean dry. * Our cleaning frequency varies acording to product, maybe ranging from 10 to 20 prints, averaging around 12 to 15. * As long as cleaning

Solder paste height checking

Electronics Forum | Tue Feb 22 08:40:12 EST 2005 | JB

A couple of features on your stencil printer that should help with a couple of potential printing processes: A temperature control unit and the automatic understencil cleaning with the chemical of your choice. That alone, will reduce the chances of

double printing

Electronics Forum | Tue Mar 20 14:34:45 EDT 2007 | realchunks

Hi Bill, Gasketing between the board and stencil may leak alittle, giving you a fuzzy print. If not, you should be OK. Another variable may be you need to perform an understencil wipe more often, adding to your cycle time. So why ya wanna double

Stencil Cleaning

Electronics Forum | Tue Mar 30 13:26:21 EDT 2010 | swag

We currently use under-stencil wipe for in-process stencil cleaning. Our product goes in sensitive optical equip. Our customer is finding microscopic fibers we believe are coming from stencil wiping paper. Can anyone recommend a different process

Wiper Paper selection (help)

Electronics Forum | Fri Aug 06 17:28:06 EDT 2004 | Steve

My suggestion is that there are alot of suppliers for this type product. Call a couple of distributors and have them send you samples. Make sure you know each manufacturer so that they don't duplicate. Review the performance and price of each one and

Finding a white strand on fine pitch components

Electronics Forum | Fri Aug 28 05:07:59 EDT 2009 | sachu_70

Do you clean the stencil manually or using the automated under-stencil cleaner on your Printer (recommended)? 1. Ensure that stencil wipes are lint-free and soaked sufficiently with solvent before use. 2. If your printer supports automated cleaning

Problems with Ekra E5

Electronics Forum | Mon Jul 28 11:34:47 EDT 2014 | oxygensmd

Hi Everybody, I have an Ekra E5 and I have two problems. - Anybody have english operator/service manual to this machine? - I have problems with understencil cleaner dispenser. If I start to flow the stencil cleaner then the dispenser doen't move o

Ekra E5 question

Electronics Forum | Mon Mar 23 15:08:21 EDT 2020 | slthomas

Unfortunately I didn't do the work...I just requested it from maintenance. I think the E5's were really a completely different beast than an E4, but I've never used an E4 so really don't have any experience. I purchased 3 E5's when new for a previou

Re: STENCILS

Electronics Forum | Mon Jun 29 13:51:29 EDT 1998 | Russ Miculich

WHAT SHOULD THE RATIO BE OF STENCIL APERATURE TO PAD TO GET GOOD QUALITY RESULTS. BY THAT I MEAN, A MINIMM OF SOLDER BALLS, AND LITTLE TO NO BRIDGING, SHORTS, ETC.. RIGHT NOW WE ARE USING A 1:1 RATIO, BUT ARE INVESTIGATING REDUCING THE APERATU

Re: STENCILS

Electronics Forum | Mon Jun 29 13:50:48 EDT 1998 | Russ Miculich

WHAT SHOULD THE RATIO BE OF STENCIL APERATURE TO PAD TO GET GOOD QUALITY RESULTS. BY THAT I MEAN, A MINIMM OF SOLDER BALLS, AND LITTLE TO NO BRIDGING, SHORTS, ETC.. RIGHT NOW WE ARE USING A 1:1 RATIO, BUT ARE INVESTIGATING REDUCING THE APERATU

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