How do you tie the raw material belt? You can start with the following 3 points:
The first point: the raw material belt needs to spiral along the thread direction, and the sealing performance is greatly reduced
The second point: never screw all threads into the raw material belt. Besides avoiding the entrance of raw material into the pipeline, the sealing performance will also be reduced. It is recommended that the second threads begin at the beginning of the thread to be wound and leave the first thread. Following chart:
The third point: raw materials with time winding need a little hard to ensure raw materials with not being pulled off the case wound this way, raw material wrapped up with compact enough to ensure the sealing of firm. Following chart:
Once the raw material has been wrapped, once it is tightened, it is forbidden to return the silk (screw back), otherwise it will be twisted again.