Bulletin 2/2010 - Siempelkamp NIS

Casting of a mill head
munication between our specialty departments are absolutely
necessary. Customers in mill construction need the fi nished
components at the construction site or on a ship in the ports of
Antwerp or Hamburg by an agreed date. Top quality delivered
on time without any questions asked is essential for the end
customers. After all, the mill is the centerpiece of a mine and
needs to work fl awlessly for at least 20 years. Investments in the
multi-million-euro range are no exception for new mines.
Siempelkamp has proven to be a top player when it comes to
processing projects in this fi eld. “You can feel the enthusiasm,
maybe even a little bit of gold fever, in all participating
employees – that makes it fun,” Dirk Howe has observed.
Zero complaints – high technical competence
SIEMPELKAMP | FOUNDRY
Twenty years ago mill heads and trunnions were either steelwelded
constructions or gray iron castings. In continuous
operation both constructions are prone to cracking due to hard
shocks and impacts during high dynamic loads.
Siempelkamp‘s work starts by being involved in the design
process of the required mill heads and trunnions. “Customers
trust in our many years of experience in the areas of materials,
angular adjustments, and material properties such as mechanical
properties. The highly stressed components have to be planned
in an intensive technical dialogue with the customer. Zero com-