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 × 180mm × 2mm
- Yarn winding density: 7, 9, 11, 13, 15, 19wraps/cm
- Rotation speed: 7 gears (adjustable)
- Weight: 35 kg
- Dimension: 740 mm x 600 mm x 420 mm
- Power: 220/110 V , 50/60 Hz
- Standard: 420 mm, GB 9996