Yamamoto Seisakusho has a variety of fineblanking [FB] machines ranging from 250 ton models to ultra-large 1,200 ton models. We produce parts with cross sections that are almost identical to machined parts, mainly automobile parts, such as clutches, brake pads and transmissions. Our annual production of FB parts in Japan and the U.S. is about 200 million parts*. We continue to jump forward as one of Japan's biggest fineblanking manufacturers.  

*2015 December

The V-shaped protrusion on the plate press and the ejector on the side opposite from the punch shears the material by applying pressure.