Splicing steps of leather cable

Splicing of leather cables has always been a difficult knowledge for many friends, because the level of splicing personnel will directly affect the splicing loss. So, how to splice the leather cable? What are the steps of splicing the leather cable?

How to splice leather cable

The first step is to strip the optical cable and fix the optical cable in the splice box. When fixing multi-bundle tube-layer optical cables, since the fibers need to be coiled in layers, each bundle of tubes should be placed in sequence to avoid twisting. Put the optical cable into the splice box, and when fixing the steel wire, it must be pressed tightly, and there should be no looseness.

In the second step, pass the fiber through the heat shrink tube. Separate different tube bundles and optical fibers of different colors, and pass them through the heat-shrinkable sleeve. The fiber optic cable with the coating layer stripped off is very fragile, and the heat shrinkable sleeve can be used to protect the fiber optic connector.

The third step is to turn on the power of the fusion splicer and select the appropriate splicing method. The power supply of the fusion splicer has two kinds of DC and AC, and it should be switched reasonably according to the type of power supply current.

The fourth step is to make the fiber end face. The quality of the optical fiber end face will directly affect the splicing quality, so it is necessary to make a qualified end face before welding.

The fifth step is to clean the bare fiber. Tear the cotton into small pieces with a flat surface, stick a little alcohol, clamp the stripped optical fiber, and wipe along the axial direction of the optical fiber. Use moderate force and use different parts and layers of cotton each time. , so that the utilization rate of cotton can be improved.

The sixth step is to cut the bare fiber. First, clean the cutter and adjust the position of the cutter. The cutter should be placed steadily. When cutting, the movement should be natural and stable, not heavy or light. Avoid bad end faces such as broken fibers, bevels, burrs and cracks.

What are the welding steps of leather cable

1. Strip the optical cable and fix the optical cable to the fiber tray.

2. Pass the leather fiber through the heat shrinkable tube respectively. After the fusion splicing is completed, the fiber splicing joint can be protected with a heat shrinkable tube.

3. Turn on the power of the leather wire welding machine and set the appropriate welding method.

4. Prepare the end face of the optical fiber. The quality of the end face of the optical fiber will directly affect the quality of the splicing, so before welding, you must first make a qualified end face. Use a special wire stripping tool to peel off the wire layer, then wipe the bare fiber with a clean sackcloth or cotton dipped in alcohol several times, and use a precision fiber cutter to cut the fiber. For 0.25mm (outer coating) fiber , the cutting length is 8mm-16mm, for 0.9mm (outer coating) optical fiber, the cutting length can only be 16mm.

5. Place the optical fiber. Put the optical fiber in the V-shaped groove of the fusion splicer, carefully press the fiber clamp and the fiber clamp, set the position of the optical fiber in the clamp according to the cut length of the fiber, and put it into the windshield correctly.

6. Connect the optical fiber. After the button is pressed, the optical fibers move toward each other. During the movement, a short discharge is generated to clean the surface of the optical fiber. When the gap between the end faces of the optical fibers is suitable, the fusion splicer stops moving toward each other. The initial gap is set, and the fusion splicer measures and displays the cut. angle. After the initial gap setting is completed, the core or cladding alignment is performed, then the fusion splicer reduces the gap (final gap setting), the arc generated by the high-voltage discharge fuses the left fiber into the right fiber, and finally the microprocessor Calculate the loss and display the value on the display. If the estimated loss value is higher than expected, it can be discharged again, and the fusion splicer will still calculate the loss after discharging.

7. Remove the fiber and reinforce the fiber with a heater. Open the windshield, pick up the machine and store the welding data at the same time.

8. Disc fiber and fix it. Reel the spliced ​​optical fiber to the optical fiber storage tray, fix the optical fiber, storage tray, splice box, terminal box, etc., and the fiber fusion splicing is completed.

The above is the whole content of how to weld the leather cable and what are the welding steps of the leather cable. The splicing personnel should strictly follow the process flow chart of the optical fiber fusion splicing process, and should use OTDR to test the splicing loss of the splicing point during the splicing process.