Yarn Board (Board Winder), to assess the evenness, hairiness, neps and other imperfections in a representative sample of yarn wound at a pre-determined pitch onto a tapered black yarn board. Variable pitch traverse of 7-19 wraps per centimeter, adjustable winding speed drive, equipped with alternative pre-tension, with yarn package stand and 5 tapered aluminum black yarn boards 250 x 180 mm. Assessment against photographic comparison standards (not included).
- Black board: 575mm (L) ×180mm (W)
- Yarn winding density: 7, 9, 11, 13, 15, 19wraps/cm
- Rotation speed: 10~400RPM (adjustable)
|Width:||1000 mm||Depth:||370 mm||Height:||300 mm
|40 inch||15 inch||12 inch