拉链知识介绍（Introduction to zipper knowledge）.doc

拉链知识介绍（Introduction to zipper knowledge） Introduction to zipper knowledge According to the material classification: nylon zipper, resin zipper, metal zipper 1. nylon zipper: invisible zipper, double bone zipper, woven zipper, reverse zipper, waterproof zipper and so on 2. resin zipper: gold (silver) tooth zipper, transparent zipper, translucent zipper, animal luminous zipper, bud zipper, diamond zipper 3.: Aluminium zipper, metal zipper zipper (copper, brass, bronze, copper, copper nickel, black nickel zipper etc.) Two. Classification according to varieties 1. close end zipper zipper (2. cotter inserted around) 3. pairs of close end zipper (X or O) 4. double open end zipper (inserted around) Three. Classification according to specifications and operation process 3, 4, 5, 7, 8, 9...... The size of size 20 is proportional to the size of the zipper tooth Four. The specific technical specifications of the zipper are introduced below 1.3 invisible zipper Combination width 4.15+0.03 single width 2.65+0.03 thickness 2.10+0.05mm Plating head: mouth width 4.4mm mouth height 1.9mm Baking head: mouth width 4.35mm mouth height 1.85mm The ordinary belt is suitable for thick fabric; the bud ribbon is suitable for the thin fabric. Ordinary top stop: advantages: high yield (adjustable speed); disadvantages: upper end sometimes can not pull roots U type check: advantages: check Korah to root, to the root of the applicable requirements of pull clothing; disadvantages: low yield, 4000 /8 hours. Easy to cause 3 invisible zipper defective factors: Tenodera bending; dimension of teeth when Mi slightly open, by stopping the welding joint is not in place, only had Amy teeth, so check the length of easy to fall off; lead; pull head after paint without insurance. Nylon zipper 2.3 Combination width 4.15+0.05 single width 2.65+0.03 thickness 2.00+0.05mm Pull head pull head high: 2.05-2.15 width: 4.2-4.25 Close tail: Inch without level microphone, so sometimes can change a check; sometimes selv