Snap button is a kind of button, commonly known as snap button, spring button, sewing button. Snap-fasteners are combined with S-shaped springs. They are divided into four parts ABCD from top to bottom: AB parts are called female buckles. The broad sides can be engraved with a hole in the middle and two parallel springs on the side; Called the male deduction, a dot is highlighted in the middle. After the dot is pressed into the hole of the female buckle, it is clamped by the spring, resulting in opening and closing force to fix the laundry. Quality points: One, four buckle (male buckle) 1. The female buckle should be smooth on the surface, the embossing should be clear and full, and the pattern should be concentric with the surface. 2. Female button edge is smooth, no wrinkles, no cracks, no dark explosion, no height, curl and full. 3. Spring distance is parallel, there is no open, no height. Spring does not break, spring round can not be too small. 4. The bottom of the nozzle is flat, concentric and concentric, with no ellipses and no burrs. Snap button detection method: 1. Vernier caliper size measurement. 2. Product appearance visual inspection. 3. Die tensile test. 5. Spring fatigue spring test (hand test). 6. Female buckle surface arc gauge measurement. Two, four buckle (public deduction) 1. The surface of the pearl head is full and smooth, without depressions and without ellipses. 2. Pearl head chassis embossing is clear and smooth. 3. No larger glitches. 4. The head of the bead tube stretches smoothly, without cracking, no dark explosion, no obvious slip. 5. Male and female buckles can be turned if they are buckled, but they cannot be stuck and cannot be pulled. Snap button detection method: 1. Vernier caliper size measurement. 2. Product appearance visual inspection. 3. Die tensile test. 4. Bead shape arc rule measurement. Three, four buckle (bottom buckle) 1. The product does not have burrs. 2. The product chassis and nozzle without oval, smooth surface, smooth and full embossing. 3. The diameter of the stretched pipe is not broken, no dark explosion, smooth stretch, no obvious scratches. 4. The bottom buckle with the public buckle, the root can not be squat 5. The height and size of the jaws should be standard. Snap button detection method: 1. Vernier caliper size measurement. 2. Product appearance visual inspection. 3. No squats and deformation tests were performed. Want to learn more about buttons: accessible For more details, please pay attention to WeChat public number: The boy's jacket we produce has a special weight in the hand. It is made of Khmer material. It is very skin-friendly and soft, delicate and smooth, without roughness and pimples. It will not irritate the child's skin, and it is windproof and warm. It can also be worn in this temperature in late autumn.
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