Technologies

Nikkeikin ACT has a proven history of manufacturing extrusion shapes for large, difficult shapes.
We manufacture extrusion shapes known as "difficult shapes" and ultra-precise shapes in response to demands for sheet thickness tolerances smaller than the JIS standard, or to keep yield strength values within a specified range. This is done, for example, by using analysis of die structures and metal thermal fluid analysis during extrusion, optimal die structure design, and optimization of extrusion billet temperature and die temperature.

Extrusion method for aluminium alloys:

• - The manufacturing method involves forcing a heated billet through a die orifice to achieve the target shape.
• - This is the optimal method if you require materials with identical cross sections.
• - The process is similar to that used to cut agar jelly into noodles.
• - The billet cannot be forced through the die at low temperatures, so the container is kept warm at all times.

Extrusion work flow

• - Dies and billets are individually heated before extrusion.
• - The billet is cut to the optimal length, heated, and inserted into the container.
• - A stem is used to press the billet against the die, and begin extrusion.
• - Extrusion speed and pressure are adjusted to achieve the desired shape.