Horst Sprenger Rod Metering Systems and Assemblies EN
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SMOOTH AND PROFILED<br />
METERING RODS<br />
<strong>Metering</strong> rods are precision tools.<br />
The production tolerances are within<br />
the μm range. During production,<br />
any deviation in diameter, smooth<br />
run, coating, etc. results in fluctuations<br />
in quantity <strong>and</strong> / or quality of<br />
the coating.<br />
<strong>Horst</strong> <strong>Sprenger</strong> offers more than 50<br />
different st<strong>and</strong>ard profiles (fine to<br />
coarse), thus allowing metering of<br />
virtually all possible coating volumes.<br />
RS<br />
<strong>Rod</strong><br />
pressure<br />
Speed<br />
Y<br />
ar<br />
al<br />
F<br />
Hardness of<br />
backing roll<br />
Papermachine<br />
Sheet width<br />
X<br />
RT<br />
LS<br />
Composition<br />
Solids<br />
content<br />
LT<br />
Importance of metering rod precision<br />
for coating volume<br />
A deviation of only 1 µm in the depth of the profile,<br />
for instance, can lead to approx. 5 % change in<br />
index or coating volume.<br />
Absorption<br />
behavior<br />
Paper<br />
METERING<br />
ROD<br />
Coating<br />
medium<br />
Viscosity<br />
Diameter<br />
Geometry<br />
Surface<br />
finish
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