La description
INTERLINING APPLICATIONS AND GENERAL
SUGGESTIONS
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During the application, the coat on the interlining is liquidized
by using heat, and transfer of this liquid onto the cloth at
necessary amount, is established by the pressure. At the end of
this process, by the cooling and the solidification of the coat,
perfect fusing of the cloth and the interlining is
established.
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In the application of interlining adhesion, the safest way is to
use a press machine. The quality and the well-kept state of the
press is one of the most important factors that directly affect
the final quality of the shirt. Although the type of interlining
may differ with regard to the cloth quality to be applied, there
are some general criteria about the usage of the presses. Press
temperature should be around **0 degrees Celsius for interlining
products.
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To control the suggested temperature, temperature measuring
papers should be used; those heat sensitive papers should be
placed between the cloth and the interlining while they are going
into the press. Temperature is measured by the darkening rate of
the heat indicators on the paper. If this process is applied to
the right and left wings of the press at the same time, it allows
observing whether heat differences occur between wings, or
not.
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PROPERTIES OF
PRESS
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To
keep the quality at standards, the maintenance of the press
should be made regularly and on time.
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It
should be used in an environment, which is isolated from the
flow of yarn and fibre, and humidity.
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It
should have the structure and properties that are matching with
the purpose.
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The heat and pressure values should be
homogenous on the surface of the press
blanket.
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The similarity of the parameter indicators ( pressure and heat
) and actual indicators should be checked frequently, in case
of mismatching occasions, the maintenance should be informed
for the necessary fixing.
The parameter indicators should be sensitive enough. Some
analogue indicators might have temperature reading tolerances
between **5°C.  In such cases; the thermometer might close
the circuit at **5°C, whereas it ought to do so at **0°C, and may
mislead the operator.
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There should not be any corrosion
allowed on the press cylinders, and the cylindrical pressure
should be equally balanced on left, right and middle
parts.
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The cylinders should be checked frequently, the silicone
covered cylinders must be changed regularly and the hardness of
the silicone should be controlled continuously.
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The operators should be experienced.
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For the presses operating with single
personnel; as the blankets may erode unequally, the personnel
should work in rotation.
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Products that come out of the press should not be handled
before they are cooled, and in case of necessity for handling
hot, appropriate care should be given. Otherwise, finger marks
and loosen strength occurs at the points of contact.
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There should not be any deep scratches or patches on the
blanket surface. If there are patches, care must be given to
make the fusing of cloth and interlining apart from this patchy
area.
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BASIC SUGGESTIONS ABOUT THE
PRESSES
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Internal temperature of the press must
frequently be controlled through electronic thermometer or
temperature measuring papers.
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In
the mornings, ( especially in winter ) when the presses are
first started, overall temperature in the press may remain
below the optimum level even though thermometer, being fed by
the resistance, indicates the right temperature. In such case,
differences may occur between applications in the early
mornings and afterwards. This is an important aspect that must
be paid attention in terms of the quality of the product. In
order to avoid this problem, no fusing should be done, for at
least *0 minutes after the press is
started.
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OBSERVING THE INTERNAL PRESSURE AND
HEAT HOMOGENITY OF PRESS
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Compress the cloth and the interlining,
cut in 5 cm stripes, simultaneously, to be fused at the left,
right and middle parts of the press and check if any
differences occur in their dismantlement strengths. The
dismantlement strength should be minimum 1.5
Kg.
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Compress the yapacak parçay (tercüme edilecek) parellel to
blankets flowing direction. Check the dismantlement strength.
If there is strength difference between the sides, compress
once more while turning the left and right sides upside down.
In this case, if the strength difference disappears, it means
that the problem is in press cylinders, have it checked
immediately.
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