automatic movement from consignment to own stock after consignment terms

Hi gurus,

We have a scenario, where we store the consignment material for x number of days in consignment. This x value is different for each vendor and material combination. So here is the details

vendor A, material 1 - consignment days 60

Vendor A, material 2 - consignment days 65

Vendor B, Material 1 - Consignment days 70

Vendor B, material 2 - consignment days 75

So is there a place where we can store these consignemnt days per vendor and material combination and once the days are elapsed after the goods receipt, any ideas on how i can go about the automating of migo trnasfer posting 411K movement.

So lets say i receive material 1 from vendor A today (goods receipt done with todays date), then after 60 days from today, i want the system to perform the migo trnasfer posting 411K automatically.

Any ideas?

Thanks

Ravi