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TOuR
Cylinder for rotogravure printing
(above)
Cylinder for offset printing
(below)
Built in 1951/1984
In the case of rotogravure printing,
text and pictures are etched or
engraved on a copperplate steel
cylinder, forming cells of varying
depths. The cylinder rotates in the
ink bath, superfluous ink being
stripped from the surface using
a doctor blade. The ink which
remains in these areas is “extracted”
by the paper during printing.
During the offset printing process
the printing forme is exposed onto
an aluminium plate. This plate
is mounted on the cylinder and
covered with a thin film of ink and
water. After photographic development,
only the non-printing areas
take up the water, the printing areas
only the fatty ink. The image to
be printed is applied to the paper
via a blanket cylinder.
Double-revolution automatic
Poly 50 flatbed press
Built in 1962
5 000 sheets/hour
The Poly is a flatbed letterpress
printer operating on the basis of a
double-revolution principle (first
revolution: sheet feeding and
printing, second revolution: sheet
delivery and carriage return).
Some 3 800 of these presses were
produced between 1931 and
1963. The automatic flatbed press
exhibited here was in operation at
the Augsburg company Stumböck
between 1962 and 1979.
TPA 50p turbo-epicyclic
gear unit with coaxial shafts
Built in 1966
Input power 2 370 hp (2 007 kW)
Input speed 1 490 rpm
Output speed 8 359 rpm
Transmission ratio 5.61
This gear transmission (whereby
the driven shaft runs faster
than the driving shaft) was used
between an electric motor and
a compressor in a petrochemical
plant. RENK has been producing
planetary gears since 1936. These
can be fitted with up to six planet
wheels and reach a diameter of
up to 3.5 meters.
M6V 40/46 six-cylinder diesel
engine for submarine propulsion
Built in 1943
2 000 hp (1 470 kW),
Engine speed 520 rpm
Until 1982, this exhibit worked
at the Rusel power station in
Deggendorf. The 40/46 model
was first supplied in 1930, four
of these engines subsequently
being installed in U 25 and U 26
submarines in 1935. MAN sold a
total of 800 pieces of the six-and
nine-cylinder models. After 1945,
100 engines were still being used
in cargo ships, as well as for stationary
applications.
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