Yarn Board (Board Winder), is designed to check the yarn’s physical properties like the evenness, hairiness, neps and other possible imperfections, 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 220 x 180 mm. Assessment against photographic comparison standards (not included).
- Black board: 250mm (L) ×180mm (W)
- Yarn winding density: 7, 9, 11, 13, 15, 19wraps/cm
- Rotation speed: 10~400RPM (adjustable)
|Length:||740 mm||Width:||600 mm||Height:||420 mm