"Richard Riley" wrote ...

not for the cure
itself, but so you have a reasonable amount of time in the temperature
range where things are soft and move easily, but not yet curing.

Ramp up and down don't affect strength, they affect accuracy - getting
things to the right shape on the way up.

Richard,

I've never been involved in this. Are you saying the thing sags into the
mold by gravity or are you taking it out of the oven and manipulating it?

Rich