There are exit conveyors you can purchase that have fans installed. We have
recently purchased one from GWB. The size of the pallet will have an effect
on the profile so this must be checked, with regards to the dross I can not
comment as we always use pallets.

Adrian Irwin
New Products Manager
Lambda UK



                    Graham Collins
                    <Collins.Graham@LITT        To:     [log in to unmask]
                    ONLSL.COM>                  cc:
                    Sent by: TechNet            Subject:     Re: [TN] Wave soldeing jig thickness
                    <[log in to unmask]>


                    11/27/01 11:49 AM
                    Please respond to
                    "TechNet E-Mail
                    Forum."






Peter
I agree - cooling the jigs can be a big problem for throughput.  One
solution I've seen was to have a rack at the unload end, the operators
would put the jigs in it and a fan directed at the rack would convection
cool them faster than just sitting.

regards

Graham Collins
Process Engineer,
Northrop Grumman
Atlantic Facility of Litton Systems Canada
(902) 873-2000 ext 6215

>>> [log in to unmask] 11/27/01 03:44AM >>>
Hello,

Has anyone experienced problems with running boards through wave
soldering in a pallet with deep machined pockets?

My jigs are quite thick (~0.5") in order to mask off the high filter
components on the solder side. As a result the jigs get very hot after
soldering and takes long time to cool down to be feed back to the cycle.
It also affects my profiling, throughput, and seems to create more dross
than usual.

Any comment or advice?

Rgds,
Peter


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