Page 69 - Glass Machinery Plants & Accessories no. 3-2019

efficiency throughout the com-
plete forming process.
LumaSense’s solution: High
resolution thermal imager with
a spectral filter for glass sur-
faces and image processing soft-
ware for automatic detection of
defects.
Customer benefits: General
optimization of moulds through
visualization of glass wall thick-
nesses and localization of thin
container walls. Automated
mould parameter set-up through
optional coupling of the system
to the PLC for data correlation.
TECHNICAL GLASS
Manufacturing of techni-
cal glass is subject to particu-
toring solution with an open- achieving the correct gob tem- larly stringent quality require-
ended ceramic or inconel tube to perature prior to the next step in ments. The only way to achieve
shield the sensor against interfer- the process (IS machine). the desired quality and required
ing radiation and to ensure the service life of the product is to
repeatability of readings. Measuring mould temperature observe very close tolerances with
Customer benefits: Reliable inside the IS machine regard to material temperatures
implementation of correct cool- Challenges: Precise control of throughout the entire process.
ing rates. Adjustment of glass the air flow rate used for blowing Pyrometers and thermal imag-
flow rate via its viscosity. Cost and adjustment of the tempera- ers from LumaSense Technologies
reductions through optimized ture distribution in the water- are highly accurate temperature
use of energy. cooled mould. This forms the gob sensors and fulfil all prerequisites
of glass into the desired shape for successful compliance with
Measuring temperature gradient in with the requisite wall thickness. quality requirements.
the feeder LumaSense’s solution: Portable
Challenges: Continuous meas- pyrometer for mobile inspections Measuring incandescent coils
urement and control of the mate- or fixed installed pyrometer. Challenges: Optimization of
rial flow. Minimized energy costs Customer benefits: Optimum temperature distribution in the
in the heating process. uniformity of container wall incandescent coil.
LumaSense’s solution: Proven thickness. Optimum adjustment LumaSense’s solution: A
application packages featuring of coolants. fixed-installation thermal imag-
high measuring accuracy, excellent ing system designed to measure
repeatability and long service lives. Final check and control of material very high temperatures on met-
Customer benefits: Quick distribution als. Real-time thermal imagery
installation thanks to easy and Challenges: Save raw materials of temperature distribution and
reliable integra¬tion of compo- with a view to optimizing energy comprehensive data analysis and
nents. Optimized use of energy
and adjustment of glass flow rate.

Measuring gob temperature
Challenges: Ensure the desired
container wall thickness via the
core temperature of the gob.
LumaSense’s solution: Rapid
ratio pyrometer with small meas-
uring spots.
Customer benefits: Reliably