Printed Circuit Board Assembly & PCB Design Forum
SMT electronics assembly manufacturing forum.
Views: 7542
I'm having an issue with a particular board we run in our wa...
- May 21, 2012
by
Chris
What is the lead protrusion?
...
- May 21, 2012
by
Carlos
Does the part seem to flow properly? Are your land patterns...
- May 22, 2012
by
Reese
Bridging Causes: Insufficient flux, excessive pre-heat, high...
- May 22, 2012
by
davef
Protrusion is 1 mm.
...
- May 22, 2012
by
Chris
What is the configuration of these 4 pins?
Square or inlin...
- May 22, 2012
by
Patrick Bruneel
Square
...
- May 22, 2012
by
Chris
Forgot something how is the top fill on the connector?
...
- May 22, 2012
by
Patrick Bruneel
I can't see the fill as they are underneath the connector. ...
- May 22, 2012
by
Chris
Here is a picture.
...
- May 22, 2012
by
Chris
Sizzling would be hard to hear our machine has forced air pr...
- May 22, 2012
by
Chris
These are the hold down clips for the connector. I'll post ...
- May 22, 2012
by
Chris
Lead spacing is probably an issue here. It would be better ...
- May 22, 2012
by
Reese
The spacing, and the length as everything else on this board...
- May 22, 2012
by
Chris
Chris,
If the short in the picture is parallel to the wav...
- May 22, 2012
by
Patrick Bruneel
Do you have anything else on this board with a similar land ...
- May 22, 2012
by
Reese
> Chris,
>
> If the short in the picture is para...
- May 22, 2012
by
Reese
I will give 90 deg turn a try, I want to say we've tried thi...
- May 22, 2012
by
Chris
Well no luck on the rotation, tried all directions to no ava...
- May 22, 2012
by
Chris
So it went from parallel to perpendicular with regards to th...
- May 22, 2012
by
Reese
Reese, no stayed perpendicular in regards to the wave, howev...
- May 22, 2012
by
Chris
Patrick, correct, no clean alcohol based. Machine is a Vito...
- May 22, 2012
by
Chris
Try trimming the leads to no more than 0.020" instead of 0.0...
- May 23, 2012
by
DeanM
Patrick and Dean, I'll try both suggestions in the next day ...
- May 23, 2012
by
Chris
I would suggest that the pad size vs lead length vs lead pit...
- May 27, 2012
by
josh
spacing is very tight but you should be able to get it right...
- May 29, 2012
by
aj
Yes, 45 degree will kill the shadowing effect.
YOu can also...
- May 31, 2012
by
edmaya33
Try a simple solder mask. I use Chemtronics. A bottle is onl...
- Jun 01, 2012
by
W Medley
Tried fluxing, then letting it sit for an hour and then runn...
- Jun 01, 2012
by
Chris
Perhaps apply the through hole part, solder mask only one ba...
- Jun 01, 2012
by
W Medley