Electronics Forum: (4) (Page 361 of 662)

SUNSDA Board loader

Electronics Forum | Wed Sep 01 14:45:57 EDT 2010 | mmccance

Has anyone had any experience with SANSDA? We have a board loader that was bought used with no documentation. We have tried to contact them requesting schematics or a SMEMA manual to no avail. The loader is not completing the circuit telling the d

Mixing 2 and 4 layer designs on a single panel

Electronics Forum | Thu Sep 02 15:01:52 EDT 2010 | James Neal

Manufacturing-wise, is there a problem with doing a single panel with both four layer and two layers designs on it? I do prototype runs with multiple designs on the same panel, and I'd like to start including four layer. It seems to me that I can g

contact 3av head homing errors

Electronics Forum | Thu Sep 23 11:37:43 EDT 2010 | flipit

I had 4 of these machines. They are good machines but I have seen this error often. Is the problem only on one head L or R? If so swap electronics L to R and see if it follows. You can even swap the Y motors. The items that could cause this prob

Mixing different manufacturers solder pastes

Electronics Forum | Mon Nov 01 16:22:47 EDT 2010 | jax

Who Cares... Mix Away! Although you should not mix different Solder Pastes' together in a container or on a stencil (Mostly due to the flux, although solder sphere size and shape could cause an issue), mixing solder brands or chemistries on a board

Mirtec programming discussion

Electronics Forum | Fri Nov 05 18:47:31 EDT 2010 | eadthem

I'm guessing when you say bare board you mean wet paste only? When you say the pads move slightly are your boards warped at all at the Vscore? What we do is use per modual fids. first you delete or don't make panel fids and then theres a option wh

quad qsp-2

Electronics Forum | Tue Nov 30 06:33:44 EST 2010 | jmw

If you are using the upward camera then you probably have to put in a placement offset for each head. This only effects upward camera placements...not quadalign. This is located in: 1. machine-calibration-camera lens 2. Choose upward camera2 under "

Air Moisture in Production

Electronics Forum | Tue Dec 21 17:56:13 EST 2010 | stepheniii

Am I reading your post correctly? You will print PCBs and not populate them until up to 24 hours later? And you can assemble level 3 components at 30C and 90% humidity, you just have to pro-rate the exposure time. (I don't recommend having those con

SMT vs TH

Electronics Forum | Wed Mar 02 10:45:24 EST 2011 | remullis

Ok Guys I need help in justification of Converting TH boards to SMT. We do quite a bit of I/O controllers using sockets and chips, and our biggest defect issues are bad chips. I am preaching to convert these boards over to SMT, however my designers

SMT vs TH

Electronics Forum | Wed Mar 02 11:11:02 EST 2011 | remullis

Ok Guys I need help in justification of Converting TH boards to SMT. We do quite a bit of I/O controllers using sockets and chips, and our biggest defect issues are bad chips. I am preaching to convert these boards over to SMT, however my designers

Nitrogen for reflow

Electronics Forum | Fri Mar 18 13:42:02 EDT 2011 | kahrpr

First thing try a different solder paste. All solder pastes are not created equal. Also if everything else on the board looks good then check the part. As far as nitrogen goes its about 4 bucket loads you need an external tank. I have seen some marg


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