All,

Hello again...ready for another question from a newbie??

Again, I am getting some information about convection reflow 
ovens that I do not necessarily buy into.

We have a Conceptronic HVN-102 7 zone reflow oven.  We have 
been advised that during production runs, we will need to 
place 'buffer' circuit assemblies before and after each 
actual production assembly to properly load the heaters in 
our oven or, as we are told, our zone temps will drop to an 
unacceptable level.

I am of the opinion that as long as each zone doesn't drop 
more than (help me here...fill in the blank) ___ Deg. C. 
then everything is good.  Or as long as the board 
temperature profile is acceptable.  I can understanding 
profiling the oven to understand what loading it can accept, 
but I don't expect our oven to experience any unacceptable 
loading on any one assembly that we may process.

Any insight into this would be appreciated.

Steve McBride
[log in to unmask]
(405) 624-5281

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