Several common ways to end waterproof connectors
The end - to - end method of a waterproof connector
refers to the way in which the contact pair of the waterproof connector is connected to the wire or cable.
It is also an important aspect of using and selecting a connector to choose the right way and the correct use of the technology.
The first: Welding the most common welding is tin welding.
The most important part of the solder connection is the continuity of the metal between the solder and the surface to be welded.
Therefore, weldability is important for waterproof connectors
The most common coatings on the welding ends of electrical connectors are tin alloy, silver and gold.
For common welding ends of reed contact, there are sheet welding, punch hole welding and notch welding. For common welding ends of pinhole contact, there is drilled circular notch.
The second type: crimping. Crimping is a technique that compresses and displaces metal within specified limits and connects wires to contact pairs.
A good press joint produces an intermetallic flow that causes the wire and contact to deform the material symmetrically.
This type of connection is similar to a cold welded connection, which provides better mechanical strength and electrical continuity and can withstand more severe environmental conditions.
At present, it is generally accepted that the waterproof connector
is better to use the correct crimping connection than tin welding, especially in the large current situation must be used crimping.
Special crimping pliers or automatic and semi-automatic crimping machine shall be used for crimping.
Should be based on the cross section of the conductor, the correct choice of contact pair of conductor cylinder.
Note that the crimping connection is a permanent connection and can only be used once.
The third kind: prick connection, also known as insulation displacement connection, is a novel terminal technology invented by the United States in the 1960s, with high reliability, low cost, easy to use and other characteristics, has been widely used in a variety of printed board connectors.
It is suitable for the connection of ribbon cable.
Without stripping off the insulation layer of the cable, the "U" shape of the waterproof connector
is inserted into the insulation layer, so that the conductor of the cable slides into the groove of the contact reed and is clamped, thus forming a tight electrical connection between the cable conductor and the reeds of the connector.
It only needs simple tools, but must use the cable of specified wire gauge.
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