In order to prevent dangerous objects such as broken needles, sewing needles or marking needles from being left in the clothing, needle inspection will be carried out after the product is completed..
The principle of needle detection is to use the magnetic field line N pole →S pole principle, once there is magnetized material in the middle will affect the magnetic field changes, the specific performance is: needle detector chirping (iron, cobalt, nickel are easy to magnetize material).
Standard to be met for needle examination:
|
Accessory |
Quantity |
Reaction Level |
|
Zippers |
3 pcs parallel |
≤ φ 0.8 mm |
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