Page 42 - Glass Machinery Plants & Accessories no. 3-2021

COOLING SYSTEMS
Cooling systems
FAMOR raises

plunger cooling

to newer heights

of excellence

oday plungers in automatic
high-capacity glass presses
T with twelve or more stations
come as increasingly inadequate -
whether the presses have just one
station or whether they’re auto-
matic, with up to six. All get cooled
from within by a flow of water.
Yet despite the use of this method
in both crystal manufacturing and
technical glassware production in
general, such excessive cooling is
evidently unsatisfactory for fields
of application that are so specific
and usually have small production
runs besides. Nowadays, indeed,
externally-applied compressed air
is the preferred cooling method
for press plungers, both in single
station presses and in those that
are automatic and have up to six
stations.

CURRENT PAIN POINTS
The procedure has various nota-
ble disadvantages. Firstly, it neces-
sitates a high energy consumption.
And not only. The noise generated
by both compressors and nozzles
often reaches a level that’s unbear-
able for operators. Secondly, pro-
ductivity is hardly enhanced by
the constant nozzle adjustments
and required cooling air volume.
Thirdly, this method involves an
intricate system of ducts and pipe-
work that obstructs both access to
the machine and view of the work-

40 GMP&A 3/2022