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Lea Strength Tester For Testing Lab Workshop.
Lea Strength Tester - For Testing Lab
The lea strength of yarn is one of the major properties on which the suitability of yarn for its ultimate end use depends.
The
test for determination of lea strength consists of making a lea from
the yarn with the help of a warp reel and testing it on the lea strength
tester, which registers the maximum load at which the lea starts
unraveling.
The Lea Strength Tester
is constructed on a study fabricated steel structure with a heavy base
plate which can be directly placed on the ground. The lea is placed
between two pins, one of which is moving and the other is attached to a
load measuring arrangement. The moving pin is driven through a screw
arrangement driven by a motor and a worm reduction gearbox. Provision
has been made for automatically stopping the motor at the extreme
positions of the moving pin. Two movable pins are provided, one for
testing metric leas of 1 metre swift perimeter and the second for
testing imperial leas of 1.5 yards swift perimeter.
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