Annual report 2009 - Siempelkamp

FEM M calculation ul
Our own foundry and machining center for large parts
Our foundry manufactures large castings with weights of up to
300 t (331 US tons). These parts are then fi nish-machined on one
of the world’s largest portal milling machines. This picture shows
one of two lower beams with a weight of 235 t intended for the
modifi cation project of the closed-die forging press at Alcoa,
Cleveland.
240 t (265 US tons) part during machining
Each year the foundry produces approx. 60,000 t (66,139 US tons) of molten iron;
castings with weights of more than 200 t (220 US tons) are the daily routine.
The world record from May 2009 proves the capacity of the Siempelkamp foundry.
We have produced the heaviest casting ever made of nodular graphite cast iron.
All from one source
Whether it is the versatility of our product range or our process technology which
convince our customers, both are the result of a repetitive process in which
engineers of different fi elds take part. A continuous dialogue between design
engineering, engineering, foundry and production departments as well as close
cooperation with the customer ensure that the optimal solution is found for each
Custom-made upgrading for Alcoa Forging & Extrusions
Products
In July 2009 Alcoa Forging & Extrusions ordered from us the
engineering and production for castings used in upgrading one
of the world’s largest closed-die forging presses.
For the Alcoa plant in Cleveland, Ohio, Siempelkamp cast 14
large castings for the upper, lower and moving beams, as well as
450 MN closed-die
forging press for
Alcoa Forging &
Extrusions