Trolley case zipper introduction

Zipper is an integral part of the trolley case, the quality of the zipper will not only affect the user's use of the same time, will reduce the grade of luggage, the following inventory of trolley zipper type and various indicators. The zipper is an integral part of the trolley case, which directly affects the appearance and usage time of the luggage. Today we will learn about the zipper of the trolley case.

First, by species 1, open the zipper (left and right plug) 
2, double open zipper (left and right plug) 
3, closed zipper 4, double closed zipper (X or O) 

Second, according to the material classification 1, Nylon Zipper Invisible Zipper, double zipper, woven zipper, anti-wear zipper, Waterproof Zipper.
2, metal zippers aluminum zipper, copper zipper, black zipper.
3, resin zipper gold / silver tooth zipper, transparent zipper, translucent zipper, livestock can light zipper, Lei She zipper, Diamond Zipper.

Third, according to the specifications points 3 #, 4 #, 5 #, 7 #, 8 #, 9 #, 20 # size zipper. The size of the zipper is proportional to the size of the zipper. 

Fourth, Specific indicators. 

1,3 # Invisible zipper combination width of 4.15 +0.03, single width of 2.65 +0.03, the thickness of 2.10 +0.05 mm.
Electroplating slider: mouth width 4.4mm mouth height 1.9mm.
Baking paint: mouth width 4.35mm mouth height 1.85mm.
Normal with thick fabric; lace with thin fabric.
Ordinary top hidden zipper advantages: high output (speed); Disadvantages: the top sometimes pull less than the root.
U-shaped zipper on the top of the advantages: the top can be pulled to the root, apply to pull the root clothing; Disadvantages: low yield, 4000/8 hours.
2,3 # nylon zipper combination width 4.15 +0.05, single width 2.65 +0.03, thickness 2.00 +0.05 mm.

Slider mouth height: 2.05-2.15, Slider mouth width: 4.2-4.25.
Closed-end nylon zipper: When you do not need to be divided into high-and low-dimensional microphone, it is sometimes adjustable head open; hit the bottom edge of the cloth sometimes weft density prone to spinning phenomenon, affecting the appearance, the best width in the range of cloth tape with a Weaving on the next, so the next stop through the tape is not easy to wire.

Open the end of the nylon zipper: fixed-inch selection of teeth more difficult because of the relatively small tooth spacing, it is best to use fixed code equipment, the right insert left high right low, need to manually repair microphone, ultrasound half a microphone pressure to the root, both sides of the belt Tibia evenly distributed, and continuous noodles, drilling cloth pin length of about 8mm, pull the pressure block when the latch should not be too fast, both sides of the force evenly and pull in place, press the machine slow must play a role, so that the mold is not easy to damage.

3,3 # Resin zipper pull mouth high 2.6-2.7MM, mouth width 4.75-4.85, combined width 4.55 +0.05, thickness 2.4 +0.05.
Closed tail zipper resin: pressure up and down, the temperature, injection delay, dwell time to adjust the three appropriate, if the closure of the zipper size in 15CM or so, with a certain number of rows can be used when the microphone with two top strip .
Open the tail of the resin zipper: Ultrasound tape with a clear pattern, left and right, about 1.5mm from the tooth position to ensure that perforated crochet hook, and the word get through.

4,3 # Metal Zipper mouth 2.1-2.2MM high mouth, mouth width 4.55-4.65, a combination of width 4.45 +0.05, the thickness of 1.95 +0.05. 

Closing the metal zipper: After the inch of the dentition must remove the damaged teeth, the upper and lower ends of the line and should be wrapped with a tight tibia;
Open the end of the metal zipper: about 1.8mm from the dentist to ensure that perforated crochet hook, punching cloth about 8mm long feet, to ensure that the bolt box mounted to the root, red pinhole to the tape and rushed to the center.