fabric stiffness tester
TRANSCRIPT
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MY PROFILE
Name : Abdullah Al Mahfuj.
Department : Textile.
Program : B Sc in Textile Engineering .
ID : 142014007
Green University of Bangladesh .
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Name of My Presentation
fabric stiffness tester
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INTRODUCTION
Stiffness :
Stiffness is a special property of fabric.
It is the tendency of fabric to keep standing without any
support.
Stiffness is one of the most widely used parameters to judge
bending rigidity and fabric handling.
Fabric stiffness and handling is an important factor for the
end users.
The degree of fabric stiffness is related to its properties such
as fiber material, yarn and fabric structure.
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Stiffness tester
Stiffness Tester is used to determine the stiffness of fabrics.
Use For the quick and accurate measurement of fabric
stiffness
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instrument used in the measurement of
stiffness
The Shirley stiffness tester
The drape meter
The Heart loop test
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The Shirley stiffness tester
A fabric testing instrument that is used for
determine the stiffness of fabrics.
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Description of Shirley stiffness tester
The stiffness tester is consists of a platform, having a smooth
low friction, flat surface such as polished metal or plastic.
The platform is supported by two side pieces made of plastic.
Index lines are engraved on these side pieces, inclined at an
angle of 41.50 below the plane of the platform surface. At this
angle.
A mirror is attached to the instrument to enable the operator to
view both index lines from a convenient position.
A scale is supplied with the instrument to measure the bending
length and is graduated in cm.
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Machine Specifications
M/c Name :The Shirley fabric stiffness tester
Model : MAG-C1601
Origin : Made in India
Angle of inclination of intersecting : 41.5
Template size : 200*25 mm
Scale size : 250mm
thickness- 3mm
Applied Standard :ASTM 3188
Physical dimension : size -250m , weight 2.5kg
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Apparatus:
1. Stiffness Tester 2. Scissor 3. Scale
Sample:
Cotton woven fabric Size: 6 X 1.
Atmosphere:
Temperature – 25C and relative humidity – 67% Standard atmosphere: temperature – 20oC and relative humidity - 65%.
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Procedure
3 samples are cut in warp and 3 in weft directions.
Sample dimensions are 6inx1in.
One by one, these samples are put on the tester and a
scale is put on the fabric.
Then sample is moved with slab and measure the angle and
a mark is made in one side of the sample.
Then 6 values of each sample is used in calculating their
mean value.
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S/n Warp Weft
Right Left Mean Right Left Mean
1 F 2.1 2.15
2.66
2 2.39
2.51
B 2.25 2.25 2.68 2.75
2 F 3.1 3.15 2.4 2.2
B 2.89 2.97 2.75 2.9
3 F 2.5 2.89 2.2 2.25
B 2.75 2.95 2.71 2.85
Data table
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Result
The bending length of the fabric in warp way is 2.66 .
The bending length of the fabric in weft way is 2.51 .
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Conclusion
If the bending length of the fabric is more than fabric stiffness is more and if less stiffness is less.
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