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Ensuring Safety and Quality: The Application of Needle Detection in the Zipper Industry

needle detection

In the modern fashion world, zippers have become an indispensable part of people’s lives. However, for this seemingly simple accessory, quality and safety have never been overlooked. As a company dedicated to zipper production, we have always attached great importance to the quality and safety of our products, and one crucial tool in achieving this is the needle detection.

How Do Needle Detectors Work

In essence, needle detector is a kind of metal detection instrument. It is mainly used to detect magnetic metal foreign objects in textiles, especially broken needles. Needle detector works on the principle of a magnetic field for detection. When magnetic objects (such as iron, cobalt, nickel) pass the detection channel, the upper and lower probes generate signals via strong magnetic field induction. The detection capability of a needle detector depends not only on the size, shape, and magnetic material content of the metal object but also on the orientation and position of the metal object.

Purpose of Zipper Needle Detection

The mainly purpose of needle detection is to ensure that our zippers do not contain any broken needles that could cause injury or safety issues to customers. The zipper manufacturing process includes weaving and sewing. Therefore, there may be broken needles in our zippers. Through needle detection, we can provide customers with high-quality and safe zippers, ensuring comfort and peace of mind for people using our products.

In addition, if the components of the zipper such as sliders, pullers, top stops, bottom stops, boxes, insert pins, teeth, etc. contain metal, these components may contain trace amounts of magnetic elements like iron, nickel, etc. Some zippers may also be electroplated, and the coating will increase the amount of magnetic elements such as iron, cobalt and nickel. These factors may trigger false alarms in needle detection, so we need to make appropriate adjustments and treatments in needle detection based on the product’s characteristics to ensure the accuracy of the results.

Attention

When purchasing SBS zippers, if you have any requirements or questions regarding needle detection, please inform our sales team in advance. This will help us better understand your needs and provide you with reliable products and services that meet your expectations. We are looking forward to cooperating with you and providing excellent zipper solutions for you!

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