How to recognize a good or bad drone harness?

How to choose the drone wiring harness? The quality of the harness directly affects the quality of the harness, the choice of drone harness material relates to the quality and service life of the harness, we would like to remind you that in the choice of harness products, you must not be greedy for cheap, cheap harness products may be made of inferior harness material, how to identify the good and bad of the drone harness? Here together to see it!　　Generally speaking, the drone wiring harness consists of wires, insulating sheaths, terminals and wrapping materials, as long as you understand these materials, it is easy to distinguish the good and bad wiring harness.

　1. The choice of materials for the terminal board, the copper (brass) used for the terminal is mainly brass and bronze (brass hardness is slightly lower than bronze), of which brass accounts for a large proportion, in addition, you can choose different coatings according to different requirements.　　2. The choice of insulation sheath, sheath (plastic parts) commonly used materials are mainly PA6, PA66, ABS, PBT, pp, etc., according to the actual situation, you can add flame retardant or reinforcing materials in the plastic to achieve the purpose of enhancement or fire-retardant, such as glass fiber reinforced.　　3. Selection of wire harness, according to different use environment, select the appropriate wire.　　4. The choice of dressing material, the bundle plays a wear-resistant, flame retardant, anti-corrosion, anti-interference, noise reduction, beautify the appearance of the role, generally according to the working environment and the size of the space to choose the wrapping material, in the selection of dressing materials, usually tape, bellows, PVC pipe and so on.　　According to the different structure, it can be divided into full utilization type, partial utilization type and link type, according to the different ways of service, it can be divided into loss type harness and waiting type harness (see random service system); according to the number of service load source, it can be divided into unlimited load source harness and limited load source harness.　　In telecommunication systems, the equipment used directly for communication between users is mostly a fully utilized link system with infinite load source loss, while the equipment used to control the connection process of communication equipment is mostly a fully utilized system with infinite load source wait. When the number of load sources is small in relation to the capacity of the installation, a fully utilized system with limited load sources or a partially utilized system is usually used.　　Based on the call behavior of the load source, i.e., whether the user makes a new call attempt after the call fails, the harness can be classified as a repeating call system or a non-repeating call system; all actual communication systems have repeating calls, and non-repeating call systems are similar to repeating call systems.　　A fully utilized drone harness is said to be a fully utilized harness if any service equipment (trunk or key) in the harness can be used by any load source in the group of load sources it serves; a partially utilized harness is said to be a partially utilized harness if any load source in the group of load sources can only use part of the service equipment in the harness, and a partially utilized harness is said to be a partially utilized harness, and a partially utilized harness is used to divide the group of load sources into a number of subgroups, where the outgoing wires of the load group are separated and reconnected.

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