What are the problems with fiber optic splice boxes?

At present, the optical fiber splice boxes on the market mainly have the following problems:

1. Cut corners and shrink the shell to reduce costs. The standard stipulates that "the length of the remaining optical fiber of the optical fiber cable can be provided inside the optical fiber splice box is not less than 1.6m, and the bending radius of the remaining optical fiber reel should not be less than 37.5mm", and requires the operator to have enough operating space, so that It is required that the interior of the optical fiber splice box should not be too small, some boxes are very small, and it is difficult to meet the standard requirements if the capacity is large;

2. Reduce the number of accessories that should be configured, and some test functions cannot be operated. Some optical fiber splice boxes are basically not equipped with grounding lead-out devices (in order to ensure good grounding, this piece is made of copper), so that the optical fiber splice boxes do not have the function of grounding and cannot guarantee the safety of the ring network; some optical fiber splice boxes are not equipped with inflatables. The air nozzle (made of stainless steel material) cannot be tested for sealing performance, and of course it cannot be said that the sealing performance is good or bad. At present, there is a combination of grounding and inflation, which is the performance of wanting to reduce costs by reducing configuration.

3. Use other engineering plastics instead to reduce costs. The polycarbonate and alloy PP mentioned above are relatively expensive engineering plastics, and some manufacturers replace them with low-cost materials, which reduces the single cost of the optical fiber splice box, but this will bring about more unqualified performances~ For example, poor material fluidity will cause defects in injection molding, cracking under certain conditions, and excessive addition of auxiliary materials will accelerate aging, etc., which will have a greater negative impact on the entire project.


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