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R.K.B. Machine Vision and
Web Inspection technologies detect most common types of defect
faults commonly found in the manufacturing process of any web based
material such as paper, film, foil, metals, plastics, textiles and
non-wovens. Coated or non-coated, detection of defects is
guaranteed. With over 60 years of experience specific to web
inspection applications, R.K.B. technologies are designed to inspect
for any type defect our customers may come across that are either aesthetic
problems or the cause of mechanical problems within the
process or subsequent processes for which the material being made
will undergo prior to the final salable product.
While
other companies claim to provide results and detection of "ALL"
defects, especially on coated material, R.K.B. delivers. In head
to head online trials against leading "so called" leading brand name
suppliers and as attested by the Institute of Paper Science and
Technology in cooperation with the American Forest Products
Association in their
Comparative Evaluation Study of On-line Camera-based Web Inspection
Systems.
The purpose of the study was to
report on operational principle, capabilities, and performance of
commercially available camera-based systems and evaluate performance
of a system that was provided by a supplier in detecting various
defect faults commonly found in the manufacturing process of various
paper materials including but not limited to Newsprint, OMC papers,
Supercalender papers, linerboard (coated and non-coated) as well
as other various grades. The evaluation was conducted on a
pilot machine located at Appleton Papers, Wisconsin and included
process speeds from 200 fpm (60.96 m/min) to 5000 fpm (1524 m/min).
In addition to various paper grades, papers containing some
predetermined (calibrated) simulated defects were also used in the
study. The calibration defects were in the form of circular dark
spots of various sizes according to TAPPI Test method T213 and T437;
Dirt in paper and paperboard, produced by a printer using an
offset bond paper.
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Control Station |
Sensing Assembly |
Lighting Assembly |
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Unwind Station |
Inspection Station |
While
the so called brand name suppliers all pulled out of the study at
the last minute, R.K.B. took the initiative to move forward with the
study as we knew our technology would prove very successful and
achieve any tasks thrown at us (refer to
IPST report). The results achieved by R.K.B. technologies were not only excellent,
but expected. In addition, this study decisively supported similar
results achieved at various mills throughout the USA and Europe
where leading multi-national papermaking companies conducted there
own direct,
head to head on-line trials of R.K.B. technologies against leading
brand name solutions. Most discernable in these
evaluations was the inability of the competitive solutions too
successfully monitor, detect and classified any type of coating
streak or scratch 100% for which R.K.B. has no problems
achieving. In truth, this type of capability is still elusive
today by competitive solutions which are now well documented by web
material manufacturers that have direct knowledge and use of these so
called expert systems.
While online high
speed web inspection applications can be challenging, there is
always a solution. Some solutions may not be financially
reasonable, but there is always a solution and if you, the web
material manufacturer, are serious about quality control, then these
solutions will need to be invested in if you truly wish to achieve
success. Today many companies are sold on imaging of the
defect which can have justifiable needs, however, if the CCD chip
cannot see it, then it does not matter how great your computer
imaging capability is, there will be nothing to image. That is
one difference between R.K.B. and the leading brand names, while they
have concentrated on imaging processes and defect simulation
photography (the back end), R.K.B. has concentrated on the front end,
the actual detection of the defect. Everyone should realize
once the defect is detected, imaging is a mere added incentive that
any off the shelf imaging processing software should be capable of
processing. Unfortunately, many of these imaging processing
software approaches provide simulated photography and are hampered
by speed, detection capabilities and electronic noise to name a few.
R.K.B. has been developing true image processes of actual defects that
not only are applicable to R.K.B. technologies, but have applications
with any inspection device no matter who may manufacture it.
R.K.B., always uses the right
combination of sensor, lighting and signal process technologies.
Only R.K.B.'s advanced filtering techniques ensures real-time detection
of defects on, under and within your web material, while our
specialized software can be easily configured to provide
unparalleled, automatic identification and visualization of your
defects. By incorporating the use of ACCESS database formats,
R.K.B. provides our customers the ability to not only obtain report
functions standard by R.K.B., but the capabilities to design and create
their own reporting functions facilitating are much higher level of
capability, tracking and data mining that is unavailable with other
vendors, unless you invest more monies unnecessarily for action items
that should be available to any one from operational staff to upper
management. Additionally, by providing this approach to
reporting, R.K.B. systems can be configured, monitored and manipulated
by any authorized person from any office computer within the
facility or the corporations computer structures where said computer
processing stations may be online with local Ethernet or via
internet.
When manufacturing web material of
any type, it is crucial to detect defects early in the process.
Defects that are correctable such as coating streaks detected prior
to them becoming critical can save tens of thousands of dollars in
both customer complaints as well as damage to sensitive subsequent
processes like super-calendering where streaks and scratches damage
soft roll technologies. R.K.B. technologies not only will detect
these streaks, but inform the operational staff where they are so
they can correct the issue and stop the streak or streaks from being
processed. Other advantages of early detection is the
identification of edge cracks early thus reducing potential web
breaks. Detection of holes will enable you to protect your
coating processes and reduce coater breaks. In short, the
sooner problems are identified, the sooner these problems can be
addressed and corrected. Instantly, this leads to less scrap
and greater yield. Furthermore, the shipment of "bad material"
to value-added processes or customers is prevented, again reducing
scrap, customer returns while increasing salable material.
While it is very critical for you to detect defects in the "front
end" (sensing assembly), it is important for the back end of the
inspection technology to deliver accurate and useful information
such as defect identification, location, type and probable cause
such as wire or felt problems. R.K.B. uses various technologies
that provide the results, accuracy and reliability needed to ensure
your quality assurance and control initiatives.

We emphasize the quality of defects
detected by our high resolution OPTOMIZER technologies and the speed
in which we process this information. That's why R.K.B. uses
camera technologies and electronic processing technologies designed
for web inspection imaging capabilities. Capable of detecting
streaks as small as 5 microns at any known production speed and
autonomous defects as small as 0.02 sq. mm, R.K.B. technologies are
the solution you need.
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HD3020
Coating Streak/Scratch
Quality
Assurance Process OPTOMIZER©

R.K.B. Joins Forces
with the best and the
brightest
in process automation,
analysis
and control solutions. |
MISSION STATEMENT
R.K.B. OPTO-ELECTRONICS is a designer and manufacturer of high-speed
machine vision web inspection technologies and related products. We
are committed to web based material manufacturers, converters,
customers and our industry that depend on us to guarantee that
product superiority is maintained at the highest possible level. We
are dedicated to increasing customer satisfaction, continuously
improving our products and services, and providing opportunities for
our employees to achieve their maximum potential.
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