Yarn Evenness Tester

Yarn Evenness Tester

Technical Data

Dimensions of the tester 35 x 30 x 32 cm
Dimensions of rectangular boards 175 x 280 x 4 mm
Dimensions of tapered boards 175 x 280/ 230 x 4 mm
Standard yarn spacing 16, 20, 26, 28, 38 and 48 wraps/ inch

The MYQ Yarn Evenness Tester yarn warp arrangement to wrap the yarn over it at equal spacing under a desired tension. The board is rotated manual to warp yarn over it. The yarn is guided on to the board through a yarn guide, which moves parallel to the pivoting axis of the board with the help of a screw giving uniformly spaced wraps. The guide is positively linked to the rotation of the beard with the help of a chain and sprocket drive. A set of change gears gives five different spacing for wrapping yarn of different counts. A spring loaded adjustable tensioning arrangement provides the desired tension to the yarn.

The equipment is built on a rigid base. It is finished in shore blue metallic painting and bright chrome/ zinc plating to give it s corrosion resistant finish.

Two rectangular acrylic boards having one face white and the other face black to enable evaluation of both light and dark colored yarns are supplied as standard accessory, Additional boards, both rectangular and tapered, are available as optional accessories

Related Standard
ASTM D 2255-1964 : Standard Method for grading of cotton yarns for appearance

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