Yarn Examining Board Winder applies to assess the evenness, hairiness, neps and other imperfections in a representative sample of various yarn wound at a pre-determined yarn density onto a quadrate/tapered black board.

Standard : ASTM D2255

Feature :

 Driven by synchronous motor, and digital controlling circuit, ensure uniform pitch during a test.

Various pitch to satisfy comprehensive requirements of different yarn linear density.

Equipped with alternative pre-tension (ref. picture).

Auto-stop function.

Adjustable winding speed.

Technical Parameter :

Black board size: 575mm×250mm×160mm×3mm Yarn winding density\

Reeling density:7, 9, 11, 13, 15, 19 wraps/cm, 20/45mm 7steps (￠×4photogrrraphic)

Rotate Speed: 0-350mm/min

Power supply                         AC220V, 50Hz, 50W

Dimension                           1065mm×460mm×270mm

Weight                                     28Kg

Include 2 pcs black or white board and 1 pc ￠×4photographic