Detailed description of the structure of the terminal block


1. A good pressing mechanism (terminal) must have a rel […]

1. A good pressing mechanism (terminal) must have a reliable positioning device. During the use of the product, a large torque is generally generated to ensure that the wire has sufficient contact pressure. The standard GB2099 and GB16915 specify that when tightening Or when the clamping screw is loosened, it will not cause the terminal itself to loosen.

2, threaded terminal, the self-locking ability of the screw plays a decisive factor. The general self-locking principle of the terminal screw is based on the principle of "lifting cylinder". When the screw is tightened, the tightening force of the screw does not directly act on the wire. It acts on the clamping member, and the resulting automatic stepping self-locking causes the thread friction to increase gradually, realizing the self-locking of the screw, and finally clamping the wire on the conductive strip.

3. There are different torque requirements for different thread diameters. For example, the M3 crimping screw requires 80N torque to not damage the terminal.