Control-The-Washboard-Effect

BOARD PRODUCTION
CONTROL THE
WASHBOARD EFFECT
CORRCHECK – NEW MEASUREMENT TECHNOLOGY FOR CORRUGATED BY DIPL.ING. LUKAS PESCOLLER OF PERET GMBH
e success of The
any success
package
linked
clsoelyistolinked
its clsoely
constant.
variations
and variations
the washboard
of isany
package
to itsProcess
constant.
Process
and the washboard
ppearance. Aappearance.
global market
leads to
stronger
effect
can leadeffect
to high
costs
because
waste,
idle of waste, idle
A global
market
leads to
stronger
can
lead
to high of
costs
because
ompetition with
similar products
offered
to potential
machine
time, discussions
with discussions
customers, with
additional
competition
with similar
products
offered to
potential
machine time,
customers, additional
uyers. The appearance
of appearance
the packaging
thepackaging
only
bad
quality
lossrebates
of image.
buyers. The
of isthe
is the
only rebates
bad and
quality
and loss of image.
ossibility to make
a product
standa out
from stand
others.out from others.
possibility
to make
product
astics, metal,Plastics,
glass, metal,
wood, glass,
cartonboard
A simple
number,
quantifying
the quantifying
washboard the
effect
wood, and
cartonboard
and
A simple
number,
washboard effect
orrugated arecorrugated
suitable materials
and lamination,
in a repeatable,
to understand
is
are suitable
materials and lamination,
in aeasy
repeatable,
easy tomarner
understand
marner is
nting and labelling
additional
value
to
needed.
As in needed.
other applicating
such
as colour such
or as colour or
printingcan
andgive
labelling
can give
additional
value to
As in other
applicating
ackaging.
density control, density
this number
canthis
benumber
used in customer
packaging.
control,
can be used in customer
contracts. Agreements
the quality
canthe
bequality can be
contracts.about
Agreements
about
orrugated offers
several offers
uniqueseveral
advantages
easily defined. easily defined.
Corrugated
unique advantages
ompared to other
materials-it’s
in strength
compared
to otherhigh
materials-it’s
high in strength
hile low in weight.
Highin volumetric
efficiency
is
To meet this
PERET
has developed
the developed the
while low
weight. High
volumetric
efficiency
is requirement
To meet this
requirement
PERET has
chieved through
good stacking
It is flexible
Checker. It’s aChecker.
carrera It’s a carrera
achieved
throughstrength.
good stacking
strength.CORRCHECK-Corrugated
It is flexible
CORRCHECK-Corrugated
box design, low
costdesign,
(even low
in small
based,and
hand-held
tool hand-held
that measures
of the surface of
in box
costvolumes)
(even in and
small volumes)
based,
tool the
thatsurface
measures
vironmentallyenvironmentally
friendly. Corrugated
offers
excellent offers
corrugated
a non-contact
In a manner.
few
friendly.
Corrugated
excellent in corrugated
in amanner.
non-contact
In a few
otection for the
productfor
whether
used as
simple usedseconds,
microscopic
surface
is
protection
the product
whether
as simplethe seconds,
the undulating
microscopic
undulating
surface is
pping containers
or as
consumer
analysed over analysed
approximately
40mm taking more
shipping
containers
or presentation
as consumer presentation
over approximately
40mm taking more
ackages. Unfortunately,
corrugated does
not
than
The resulting The resulting
packages. Unfortunately,
corrugated
does 6,000
not depth
than measurements.
6,000 depth measurements.
ways exhibit aalways
flat top
surface-resulting
in printing
exhibit
a flat top surface-resulting
in printing
ues such as dot
gain
variations,
density
variations,
issues
such
as dot gain
variations,
density variations,
apping variations
and varnish
variations.
trapping
variations
and varnish variations.
uring the corrugating
process,
starch process,
is applied
to is applied to
During the
corrugating
starch
e peaks of thethe
flutes
andof
bonds
themand
to the
liner.them
As to the liner. As
peaks
the flutes
bonds
e starch dries the
it shrinks,
the liner
into thethe liner into the
starchstretching
dries it shrinks,
stretching
lley betweenvalley
the flutes.
The more
starchThe
applied,
between
the flutes.
more starch applied,
e more waterthe
hasmore
to evaporate,
more the liner
water hasthe
to evaporate,
the more the liner
l be stretched,
starchthe
applied,
the more
willthe
bemore
stretched,
more starch
applied, the more
ater has to evaporate,
more the liner
bethe liner will be
water has the
to evaporate,
the will
more
etched, the more
washboarding
appear. There
stretched,
the morewill
washboarding
will appear. There
a relationship isbetween
the amount
of starch
used of starch used
a relationship
between
the amount
nd washboarding.
and washboarding.
e moisture content
of the content
air, the paper
the paper and the
The moisture
of the and
air, the
ach influences
the quality
of the
strach
influences
thefinished
quality product.
of the finished product.
gh atmospheric
humidity,
high moisture
in
High
atmospheric
humidity,content
high moisture
content in
e paper fibrethe
and
high fibre
moisture
in the content in the
paper
and content
high moisture
arch will swell strarch
the board
theand
amount
of the amount of
will and
swellreduce
the board
reduce
arch applied. starch
There isapplied.
a linear There
relationship
between
is a linear
relationship between
ater content and
washboard
effect-the
higher
the
water
content and
washboard
effect-the
higher the
ater content, the
lower
the washboarding
is.
water
content,
the lower theeffect
washboarding
effect is.
owever, thereHowever,
is a limit there
in applying
water
to the water to the
is a limit
in applying
ocess. The water
needsThe
to evaporate
during
drying, during drying,
process.
water needs
to evaporate
us slowing down
the process
thus slowing
downand
the occasionally
process and occasionally
amaging thedamaging
board surface.
Side surface.
effects like
the board
Side effects like
ockling or honeycomb
appear when
the
waterwhen the water
cockling may
or honeycomb
may
appear
ontent is too high.
Because
differs
content
is tooevery
high. corrugator
Because every
corrugator differs
size, age, components,
and many
other
in size, age,format,
components,
format,
and many other
arameters, it isparameters,
essential to itfind
the optimal
settings
is essential
to find
the optimal settings
control the to
process
keep the
controland
the toprocess
and process
to keep the process
60
Washboard effect and fluting defects on
packaging could be seen as a message
about the quality of the product itself.
Relationship between amount
of starch and washboard effect
BOARD PRODUCTION
washboard effect
number-WBE-is
displayed with displayed
a
washboard
effect number-WBE-is
with a
resolution of 1 µm.
resolution of 1 µm.
Cockling and Honeycomb effect due to
excessive moisture
The CORRCHECK
enables
you to measure
yourto
board
The
CORRCHECK
enables you
measure your board
directly as it comes
off of
corrugator.
There
is no
directly
as the
it comes
off of the
corrugator.
There is no
need to prepare
samples
for measurement.
need
to prepare
samples for Simply
measurement. Simpl
place the device
onto
surface
to and start to
place
the the
device
ontoand
thestart
surface
measure. If the measure.
resulting WBE
higher than
If theis resulting
WBEallowed
is higher than allowed
corrective actions
can be
takencan
immediately.
corrective
actions
be taken immediately
Preliminary testing
in real testing
world applications
Preliminary
in real worldare
applications are
showing an excellent
withcorrelation
the visualwith the visua
showing correlation
an excellent
appearance of
the board.ofDepending
the
appearance
the board.onDepending
on the
application and
the corrugated
application
and the composition,
corrugated composition
different tager WBE
numbers
used.
different
tagerare
WBEtypically
numbers
are An
typically used. An
objective measurement
for the washboard
objective tool
measurement
tool for the washboard
effect will allow effect
you to will
define
your
parameters
allow
youquality
to define
your quality parameter
upfront, as it upfront,
done for
otherforproduction
as most
it done
most other production
parameters.
parameters.
The CORRCHECK
new parameters
forparameters
the
The offers
CORRCHECK
offers new
for the
corrugated industry.
It is industry.
now possible
to offer
corrugated
It is now
possible to offe
consisntent, high
quality products
to packaging
consisntent,
high quality
products to packaging
buyers. As in any
other
environment,
buyers.
As production
in any other
production environment
there is but onethere
simple
truth-quality
means
measure,
is but
one simple
truth-quality
means measure
measure and measure.
measure and measure.
Packaging Solution
www.tosijasindo.com
tosijkt@cbn.net.id
+62 21 75902726
CORRCHECK-the ideal measurement
tool for corrugated board
High end application: WBE>0.007 is visible
SMS C300 is a modified tapioca starch product,
applied in a corrugated board adhesive formulations.
SMS C300 is suitable for use on single facer and
double backer for all types of corrugated board and
glue kitchen
Easily Dissolved
character as peak viscosity during
dissolution is low
Stable Viscosity
gives a more consistent operate
on the machine and a better board
quality
Good Water Retention
which leads to better bonding strength
Less Consumption
Less Consumption of glue due to better
distribution allowing good bond
strength with less glue
www.tosijasindo.com
tosijkt@cbn.net.id
Packaging Solution +62 21 75902726