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What is a hot melt copper nut?

2020-07-25 09:03:22
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The copper nuts we come into contact with are mainly hot-melt copper nuts, hexagonal nuts or other copper nuts that match the bolts.


So why are hot-melt copper nuts used in daily production activities? Because copper nuts have the advantages of not being easy to rust, anti-corrosion, easy to conduct heat and strong electrical conductivity, they are generally used for rust prevention, high temperature, electrical and thermal conductivity. Environment, such as faucets, valves, electrical switches, etc.


Hot melt copper nut price

Another main use of hot-melt copper nuts is injection molding, which is embedded in plastic parts after heating or direct injection molding. As mentioned above, hot-pressed or cold-pressed copper nuts, brass has good thermal conductivity, such as Using the heated copper nut to embed, on the one hand, the copper nut can quickly heat up to speed up the work efficiency, on the other hand, the heated copper nut can quickly conduct heat to the plastic part, so that the periphery of the plastic hole becomes soft and facilitates pressing Inside the hole; then, what will happen if the injection mold is used? As we all know, the melting point of PA/NYLOY/PET is above 200°C. The temperature of the copper nut is quickly increased after being melted into the plastic part. After injection molding, the plastic body is rapidly cooled and hardened. If the temperature of the copper nut is still at a high temperature, What will be the result? Smart, you must have guessed it. The result is that the place where the copper nut contacts the plastic part develops loose or cracks. Therefore, copper nuts are used in injection molding instead of steel nuts.


Hot melt copper nut process

The shape of the hot-melt copper nut used in injection molding is generally round with various patterns. The hot-melted mold is generally cylindrical. The hot-melted or cold-pressed copper screw has a certain taper or barbed shape. , As for why it is tapered or barb-shaped, you can be smart and guess.


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