You need to discuss this with someone with experience in cutting 3-axis and 5-axis parts. I believe you will find that you need a 3-axis machine with the right tooling.
A 5-axis machine is needed to cut swarfs such as moldline in aircraft. With 40 years of programming aerospace parts in numerous materials and many, many machine types, I can tell you that a 3-axis is more likely to produce a better part with fewer hassles.
"There is a cult of ignorance in the United States, and there has always been. The strain of anti-intellectualism has been a constant thread winding its way through our political and cultural life, nurtured by the false notion that democracy means that my ignorance is just as good as your knowledge." Isaac Asimov