Method for manufacturing flexible joint of large-length submarine cable
A production method and soft joint technology, applied in the direction of connecting/terminating cable equipment, etc., can solve problems such as unsatisfactory performance, and achieve the effect of excellent performance
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[0026] Combine below Figure 1-4 The present invention is described in further detail.
[0027] 1) Conductor connection
[0028] The welding method of argon arc welding is used to weld the conductor 2 in staggered layers, and the welded part is treated to be equal to the outer diameter of the cable conductor.
[0029] 2) Conductor shielding and vulcanization
[0030] The conductor shielding layer 3 is prefabricated with special materials. The conductor shielding layer 3 adopts a half-sleeve structure, the inner diameter of the sleeve is close to the outer diameter of the conductor, and the length of the sleeve is guaranteed to overlap with the shielding of the cable conductor; The cover is wrapped with a layer of special material, which is easy to demould and fix the casing. Install the vulcanization mold 7 and heat it to the predetermined temperature (240±5°C), cut off the power supply to stop heating, and gradually tighten the vulcanization mold fastening device, and at t...
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