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Forming and cooling of the plastic pipe by two
horizontal mould black chains which move in lubricated guiding
and cooling channels.
The F-50 series is equipped with 32, 52, 74 or 90
pairs of moulds which are cooled by direct water cooled
guidance plates in the middle channel as well as in the back
tracks.
These guidance plates ensure an exact movement of
the moulds.
Optionally, the moulds are cooled by air
fans.
The mould blocks, which carry the required pipe
profile, consist of high quality steel which is
surface-hardened and additionally heat-treated.
The mould
blocks move smoothly on lubricated base plates.
The lubrication of the complete corrugator is
done by a fully automatic lubrication unit which ensures a
service-free run of the machine.
The drive of the mould
blocks is done by gears.
A frequency-controlled drive
pushes the mould block forward with the required production
speed.
However, the mould block changing can be done by one
person within hour. | 
