Opening method of nylon zipper

The common method of opening the Nylon Zipper is to adjust the size and tooth selection at different times according to different codes, to ensure that the right insert is left high and the right is low, and the left insert is reversed. The supersonic half microphone is pressed to the root, and the position of the adhesive tape is flush to ensure the latch. The pinhole of the block is punched to the end. The length of the punching cloth is about 9.5mm, to ensure that the pin block is installed at the root. The pin punching pin penetrates, the side of the block with the shin should be clamped, and the punch pin penetrates.
Nylon zippers are prone to defective products for many reasons. Because the opening of the cloth foot is too short or too long, the strength is insufficient, the plug box cannot be installed at the root, the box head is crooked, it is not good to match, and the strength does not reach the standard value. When the punching is too biased to the outer side of the tibia, the punching is too deep and the tibia is broken.
 
Nylon zipper injection opening: fixed size, supersonic same as above, open and need to change the opening mold. When changing the mold, pay attention to the starting position, because the mold stroke is different, otherwise it is easy to damage the mold. For specific adjustments, a piece of paper can be put into the mold. The hand wheel is used to cut the paper. Please refer to 3 # Nylon Open Tail Press for the square block pin.
 
The fixed-size supersonic is the same as the 5 # nylon zipper. The perforated cloth feet are about 13cm in length, to ensure that the square pins are installed at the root. The four pinholes are respectively penetrated in the center, and the square must be in place. Otherwise, defective products are easy to occur. The head should be matched. In case of special slider, it is recommended to test whether it is matched before production. The punch needle is off-center or the part is broken. When the solution is broken, the surface of the punch needle is accumulated in different directions.