1. The loose barrel yarn forms a rounded corner under the action of the automatic angle pressing machine, so that the dyeing can achieve a more perfect effect.2. It is used in conjunction with the winder conveying system, without the need for special personnel to take care of manual feeding, with high degree of automation, safety and stability, and high efficiency.3. Use touch screen man-machine interface to set machine operating parameters.4. Used for pre-dyeing preparation of bobbin yarn.5. Use yarn: cotton, chemical fiber, etc.6. Stepping motor turning device: makes the chamfering time of a single bobbin adjustable.7. According to the customer different size tube tube type, can be customized to use.