Management wants me to check on the feasibility of using profile knives, with this arbor:


and this head:


to cut some curved moldings.
This is on an Onsrud large format 5-axis (head-head) router.
I think this is a recipe for disaster, but since I'm not normally a woodworking guy, I figured I'd query the experts here. Has anyone ever used a setup like this, if so what kind of issues did you have with it?