Cosworth UK
http://www.jdm-insider.com/Blogs/Eric/index.php?s=baddest&submit=Search
クランクシャフトは、内燃機関の肝ですね。
Motorsport teams around the world agree, the Mazak Integrex is the ideal machine for producing prototype crankshafts and camshafts...from billet, casting, or forging! This video is older, but shows the capability of the machine nicely.
Mazak Integrex - Crankshaft Demo - Addy Machinery
http://www.youtube.com/watch?v=AV6m5_DZ-tk
Milling operation Mazak Integrex
http://www.youtube.com/watch?v=du8gCMP4Aus