How to solve FPC connector scratch problem?

1、, the mold factory can make some transparent shells, observe the movement of FPC in the via hole after the whole machine is installed, find the interference position between FPC and the shell, and solve the problem by changing the length of FPC. One of the oldest methods in 2、 is not that when there is no FPC sample, we can print out the FPC 2D drawing with 1:1 paper (the paper should be as hard as possible), cut out the shape, and install it in the mobile phone to replace the FPC to find and analyze problems. Or you can ask the FPC connector manufacturer to make some FPC blank samples with no wiring and only shape, and put them into the mobile phone for analysis. In the 3、, a layer of foam can be pasted at the place where the FPC contacts with the aperture, so that the shell will not directly contact with the FPC during rotation, thereby reducing the damage to the FPC and increasing its life, but the method has a feeling of temporary solution, and it is better to find the reason from the design itself to really solve the problem. 4、, in order to avoid the scratch between FPC and the shell, the common practice abroad is to install an iron shaft in the shell, and the FPC is fixed on the iron shaft, so as to avoid the collision and abrasion between FPC and the shell when opening and closing the flip. There are many mobile phones with flip and rotation in 5、. When selecting the FPC, first consider winding the PFC on the shaft (Method 4 above), or simply use the coaxial cable to replace the FPC, so as to avoid the problems such as easy distortion and breakage of the FPC.

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