>Richard,

Check with Electrovert, they used to put on a school for wavesoldering.

Larry Tawyea




Thank you all for your responses about this issue. Main points were:
> - temperature (too high or too low)
> - flux activity
> - contact time
> - possible shadowing
> - clealiness of the pads
> - diffused nickel
> - turbulence
>
>I still haven't checked all that though.
>
>Does anybody know about a good course/tutorial for engineers about wave
>soldering ?  I need it.
>I checked with IPC, EMPF and SMTA and I didn't see anything in a near
>future.
>Thank you.
>
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