http://www.lampworketc.com/forums/ar.../t-167122.html this might help. If you google batch annealing you can find some more info.
I found this on Wet Canvas- not very active now (dead really) but some good info in the past
http://www.wetcanvas.com/forums/arch.../t-215424.html
"ramp up by 480 to 960 2hours
soak 30-90" at 96o depending on bead size...(15min per 1/4" and I add an extra 15min on for safety)
ramp down by 120 to 800 1 1/2 hours
no hold
ramp down by 240 to 400 1 hour 40 min (I think)
kiln shuts off at 400....400 to room temp."