Electronics Forum: vacuum (Page 71 of 97)

Problems with .45 mil ball diameter BGA....

Electronics Forum | Fri Apr 29 17:49:26 EDT 2005 | Woodsmt

I have used many of these devices recently and have used them several times over the last few years. I have been successful using a type 4 paste on a 5 mil stencil. The 13 mil round aperture should provide you with an area ratio just adequate for r

Leadfree dip soldering

Electronics Forum | Mon May 09 10:52:29 EDT 2005 | patrickbruneel

Hannu, First and for all I have a problem with your question "tried and trusted" for the simple reason that you are going to change too lead-free. Ultrasonic soldering or welding is not new, as far as I know it is only used applying the ultrasonic

Machine won't change nozzles

Electronics Forum | Mon May 16 11:45:35 EDT 2005 | PWH

Agree with PDE. We have two GSM's and we get this error often. Palm down e-stop when you get this error message. Machine will drop nozzle bank down after doing some segment repairs. Open covers and make sure nozzles are seated in reference to ali

Very fishy missing solder paste issue

Electronics Forum | Thu Jul 21 02:45:51 EDT 2005 | Base

Probably very far-fetched, but I can think of a scenario like this: - machine picks up a component - between vision and placement the part is lost, but the loss is not detected due to oversize tool, which causes the amount of vacuum drop to go unnot

Seeking advice on SMT placement machines

Electronics Forum | Wed Nov 16 06:02:23 EST 2005 | stefwitt

Are feeders included? Otherwise, the MS 102/132 sell even for lower prices here in US. Add shipping and training and you get to the same result. Juki, Contact and Quad may fall in the same price range, but spare parts and service tech availability wi

Poor Paste Release

Electronics Forum | Mon Jan 09 19:55:32 EST 2006 | davef

"Poor release" (paste hanging-up in the stencil holes) could have three main (or combination of) causes: 1 Equipment * Proper aperture area ratio provide better release * Laser cut release better than chemical etched stencil 2 Process * Snap-off dis

CP6 Maintenance

Electronics Forum | Sat Apr 01 07:49:12 EST 2006 | cyber_wolf

DAX ! You don't need to remove the entire shaft assembly to clean the clutches. You can just drop the top portion of the spline out to get to them. It seems as if you have already taken off several shafts. I would HIGHLY reccomend that you do not

Would like help with Fuji IP-1 fine placement machine

Electronics Forum | Fri Jan 27 11:03:53 EST 2006 | bvdb

We are a New Zealand company that purchased a used Fuji IP-1 locally. There is no Fuji support here but we've managed to get the IP-1 up and running with just the use of the manuals. There are many things that the manuals do not explain and I would

Quad IVC 115 Component placement.

Electronics Forum | Thu Mar 02 04:47:24 EST 2006 | bobpan

If you have an older machine that has cyberoptics you might want to try to put a pickup theta of 90. I believe there was a problem with that type of part. Also use non-leaded alignment and scan the part near the top of it. As for 0402 parts.........

Screen printing warped boards

Electronics Forum | Thu Apr 20 13:55:31 EDT 2006 | cyber_wolf

Here is the problem : We have 2 AP25 printers with dedicated tooling. After we run side one boards through reflow, we get some warpage in our boards occasionally.(Sometimes we get a lot of warp depending on the geometries of the substrate) When the


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