What are the requirements for quality flexible cables?

I. What are the requirements of high-quality flexible cable?1. Tensile center according to the number of flexible cable cores and the space of each core cross area, as far as possible in the center of the cable line there is a real center filler line (rather than as a rule, some of the filler or waste made of garbage core filler) This method effectively protects the stranded wire structure, preventing stranded wires from wandering into the center of the cable area.2: Core strands Flexible core strand structure, the softer the better, the conductor using ultra-fine oxygen-free stranded copper wire. 3: Core Insulation Insulation inside the flexible cable can not be bonded to each other, and at the same time the insulation needs to support each individual strand of wire. Therefore only high pressure molded PVC/TPE materials can prove their reliability and durability in multi-meter cable applications for drag chains.4: Stranded ConstructionThe stranded construction of flexible cables must be wound around a stable tensile center with a better stranding pitch. However, due to the use of insulating materials, the stranded wire structure should be characterized by its state during movement. When the number of cores is > 12, the stranding should be done in bundles.5: Inner sheathFlexible cables with extruded inner sheaths should be used instead of inexpensive wool materials or other fillers to ensure that the stranded structure does not come apart.6: ShieldingHighly flexible cables have a tightly woven shield outside the inner sheath by means of optimized braiding angles. Loose braid reduces signal immunity and the shielding quickly fails due to breakage of the shielding wires. The tightly braided shield is also torsionally and torsionally resistant.7: SheathingFlexible cables are sheathed in different modified materials with different functions: UV (ultraviolet) resistant, low temperature resistant, oil resistant and cost effective. But all these sheaths have one thing in common: they are highly wear-resistant and do not adhere to anything. The sheath must be highly flexible, but also supportive, and therefore must be extruded under high pressure.

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