Nanchang packing belt manufacturers to introduce you to the most commonly used in several kinds of packing with a) hot melt lap type.
It adopts electric heating welding, mechanical high-frequency oscillation welding and ultrasonic welding and other heating methods, so that the surface of the packing belt is heated and melted, and the two melting ends of the belt ends are lapped together and maintained under a certain pressure for a certain time until the melting surface is condensed. , Adhesive packing tape joints way. This joint method is suitable for polypropylene plastic belts, because if the polypropylene plastic belt is mechanically fixed with a metal buckle, its strength is only 50% of the parent material, and the adhesive connection is also not applicable.
b) iron buckle type.
In this method, one-way work of the ratchet of the tensioner is used to tension the strap, and then an iron buckle is placed at the strap joint, and then the iron buckle is used to wrap the two layers of the strap and the buckle is buckled. The teeth on the side of the tooth are concave and convex and the strap does not come loose. The iron buckle is usually made of galvanized iron sheet, and the iron buckle corresponding to the specification is selected according to the model of the packaging belt.
c) Ligation.
Such a joint is a soft plastic rope, hemp rope, etc., as a tying material, knotted at the strap joint. This joint method is both strong and beautiful, but also easy to solve. The strap is made of a mixture of PP and PET. The main production process: the melting of plastic pellets --- pressure belt ---- molding ---- cooling --- winding --- packaging --- storage packaging belt using polypropylene by heating, melting, pulling The basic parameters that affect the quality of the strapping are stretching, length, bending, elongation, etc. In the case of the same pulling force and other parameters, the longer the length, the lower the cost.
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