Watch this short vid on what can be done...
http://www.engineeringtv.com/video/E...ing-Technology
The various new mechanical processes do make a number of newer methods possible.
You can see some of those possibilities here.
Of course you can make a spring in time to rival springs currently made by conventional processes. But making springs don't seem the point of these machines. It'd be like driving a Ferrarri 2 blocks to pick up a quart of milk.
tipoc