Electronics Forum: cfm (Page 4346 of 7929)

V-score cracking components

Electronics Forum | Wed Oct 26 16:47:17 EDT 2005 | jdengler

I have never heard of heating the board for separation. You may want to try some of the following. -Using a roller cutting type depaneler helps reduce the stress. -Using a combination of routing in areas with components near the edge and v-score th

SMT reels using paper for caps and have problems with feeder jam

Electronics Forum | Tue Oct 25 14:20:52 EDT 2005 | james

Does anyone else encounter problems using feeders to handle caps that are reeled up with paper tape. We are having alot of problems with vendors that are now using the thicker type (like cardboard) to use to reel up caps. Our feeders either run too

SMT reels using paper for caps and have problems with feeder jam

Electronics Forum | Thu Oct 27 12:58:33 EDT 2005 | gregp

EIA-481-B Max tape thickness 1.1mm (not including bottom and top cover tapes which can be .1mm max each) Of course a 1.1mm thick piece of steel will be stiffer than a 1.1mm thick lasagna noodle (already cooked). Is the thickness the issue or is it t

rubber masking boots for conformal coatings

Electronics Forum | Tue Nov 08 17:06:26 EST 2005 | Erik

A while ago I tried using rubber boots for masking but couldn't get them to work because the coating we use (Humiseal 1B73) is so thin it leaches under the rubber. If you can get them to work with your application more power to ya.

class 3 filet height

Electronics Forum | Wed Oct 26 14:29:55 EDT 2005 | barryg

We have a class 3 assembly we will be doing soon and I was wandering since the fillet heighth required for class 3 is 50% more than class 2, should I have my stencil thickness increased from 6 mil. to 7 mil.? This assembly is made up of 31 mil. pitch

Use of solder paste after taking out from cold storage

Electronics Forum | Sat Nov 05 05:09:51 EST 2005 | ajay

we do keep out solder paste ready for next shift or for replenish. We specified a location to keep new paste ( only one container ) near stencil machine. As soon as that is use we put another container from freeze, we make sure that at specified loca

Use of solder paste after taking out from cold storage

Electronics Forum | Fri Nov 18 07:22:35 EST 2005 | avalancher

Moonman really needs to stop. I finally looked at his site, and it sucks. It is NOT informative, he has chosen horrible background and font colors (immediately got a headache). It is just some 'person' who thinks 'he/she' is an expert in this indust

Use of solder paste after taking out from cold storage

Electronics Forum | Mon Nov 21 17:55:19 EST 2005 | slthomas

"...Moonman is a pretentious wannabe in the industry. If you look through the archives here you'll see that nothing could be further from the truth. His contributions on the past were pretty friggin' spot on. However, he no longer posts anything t

Juki Software

Electronics Forum | Thu Oct 27 08:13:36 EDT 2005 | smtnet21

Is there any engineer who have experience for changing the Juki KE740 language convert ? (English to Japanese, or Japanese to English).. I'd like to change the language to English from Japanese (System version is 5.30C and vision VCS version is 01-0

Library for all SMD packages with dimensions

Electronics Forum | Thu Oct 27 12:08:42 EDT 2005 | milroyperera

Hi, I always find difficulties of getting the SMD package dimensions as per the package type. Could there be a library which has all the SMD package drawings with dimensions? If yes where it is? If no what is the best way to procure such information


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