Page 40 - Glass Machinery Plants & Accessories no. 2-2020

AUTOMATION AND CONTROL
Automation and control
area from the right side of the
melter, with a lower glass tem-
perature of 1.579˚C. And so,
the number of 50 seeds per 100
grams of glass is still high. In
the central view of Figure 9, the
batch is not in front of the criti- any day and time back in the
cal area of the melter, with an
acceptable glass temperature of
1632˚C. Hence, the number of
30 seeds per 100 grams of glass
Figure 11. View of the
Ribbon and Top Roller in
Tin Bath, with Automatic
Glass Ribbon Edge and Top
Roller Detection
38 glass machinery plants & accessories 2/2020
is acceptable.
The historical batch line can
show in either the brown or blue
lines, with the average batch line
trend shown by the red line, see
Figure 10. The user can select
history to see what actually hap-
pened studying the trend, still
images or even videos of that
period.
VISION FOR AUTOMATED
FLOAT TIN BATH
Similar high resolution cam-
eras are available for monitor-
ing the glass ribbon floating on
Figure 10 – Batch Length
Adjusted by MPC Control
the tin bath. It is possible to
have a solution for the spread,
top rollers and take out area.
Besides the visual information
GS has developed proprietary
software that automatically can
detect the position of the ribbon
spread, edge and the top roller.
This info can be process by
ESIII™ to work on automated
tin bath control, as can be seen
in Figure 11. Q
GLASS SERVICE A.S.
Rokytnice 60 - 755 01 Vsetin
Czech Republic
E-mail: info@gsl.cz
www.gsl.cz