recommended chip loads for Al

Group,

i'm trying to maximize milling efficiency, and i need to know where
to look to find recommended chip loads for different materials and
cutter diameters. i've found great online calculators for rpm, ipt,
sfm, etc., but i'm having trouble finding info on recommended chip
load for different materials and cutter diameters. i have a maxnc,
and i'm using small (.0625 dia) cutters in aluminum.

tia,

patrick