Polyester Plating Garments Accessories Nylon Teeth Reversible Zipper

Factory Low Price Best Sell High Quality Nylon Teeth Close End Reverse Zipper

Zipper is a connecting piece that combines or separates articles by means of continuously arranged chain teeth. It is now widely used in clothing, bags, tents and so on.

nylon zipper
Pull head mouth height: 2.9-3.0 mouth width: 6.5-6.6 combined width: 6.45 ± 0.05 single width: 4.15 ± 0.05 thickness: 2.70 ± 0.05
Ordinary tail opening: the fixed size and gear selection shall be adjusted at any time according to different code installation (due to the change of tooth pitch), so as to ensure that the right insertion is high on the left and low on the right, on the contrary, the ultrasonic half grain microphone is pressed to the root, the position of the adhesive tape shall be flush, so as to ensure that the pinhole of the bolt box is punched to the bottom, the length of the punching cloth foot is about 9.5mm, so as to ensure that the bolt box is installed to the root, the punching needle of the bolt penetrates in the local position, and the side with the shank of the box shall be clamped firmly, And the punching needle penetrates in the Bureau.
When repairing the folding die, be sure to pay attention to the inclination of the lower die, that is, the right insert is high on the left and low on the right, and the left insert is vice versa. In addition, the strength test shall be carried out, and the production can be carried out only after it is qualified.
Factors prone to defective products: due to the opening of the cloth foot is too short or too long, the strength is not enough, the bolt block cannot be installed to the root, resulting in the block head skew, poor matching, and the strength can not reach the standard value. The reason is that the punching is too far away from the outer side of the tibia, and the punching is too deep, resulting in the fracture of the tibia.
Injection tailing: the same as for sizing and ultrasonic, and the opening mold needs to be changed. (Note: 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 adjustment, put a piece of paper into the mold, manually reel the pulley, and the paper is just cut off. The length of the punching foot is 9.5mm. Please refer to 3# nylon tailing press for pressing the square pin.