On June 24, 2010, Alstom inaugurated
a new manufacturing
facility in Chattanooga, USA. At
their new facility, Alstom will manufacture
steam turbines, gas
turbines, large turbo-generators
and related equipment for the
North American power industry.
The business activities include
production of new turbines as
well as the retrofitting of existing
turbines with leading edge technology.
The Chattanooga facility is equipped
with three state-of-the-art
WaldrichSiegen ProfiTurn machines.
These include the largest
horizontal lathe ever built, type
DH 7000/350 x 25.000 allowing
a turning diameter of 7.000 mm.
This machine accommodates
workpiece weights up to 350
WaldrichSiegen exemplifies the
high-precision manufacture of
machine tools. With efficiency
and ease, the supplied Profi-
Turn lathes machine the world’s
largest steam turbines, Alstom’s
ARABELLE™ 1,700 MW.
To guarantee precision machining
and obtain accuracies within the
µ range, the headstock is equipped
with a double x-axis, which
provides for minimal deflections
on the x-axis travel distance of