Industrial production method of stranded earphone cord
An earphone cable and twisting technology, which is applied in the production field of twisted earphone cables, can solve problems such as reducing production efficiency, increasing scrap rate, and affecting product use, and achieves the goals of improving production efficiency and yield, improving performance, and eliminating stress Effect
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[0019] Below in conjunction with the present invention is further described: the industrial production method of described twisted earphone wire, as figure 1 shown, including the following production steps:
[0020] (1), doubling line extrusion: produce the earphone line doubling line 4 that coating layer 9 is bonded together by extruding machine 3;
[0021] 2. Stranding: Send the produced parallel wire 4 into the stranding machine 5 for stranding;
[0022] 3. Heating and shaping: heat and shape the twisted wire through the high temperature zone.
[0023] Such as figure 2 , in the step 1, two or more metal conductors 2 are arranged for each parallel line 4 .
[0024] The extruder 3 is also called an extruder. The extrusion process is centered on the metal conductor 2. The pellets are converted into a coating layer 9 in the extruder 3 and coated on the outside of the metal conductor 2. The coating layers of the two wires are bonded as The whole body is in the shape of "8",...
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