7114-4112-02 Car wiring harness plug accessory connector terminal

3.2 Promotion of thread beam protection level

Research to meet the protection components and its installation process that meet the requirements of special automobile environment. The wiring beam is upgraded from the opening of the open tube to the closed -mouth ripple and the thermal contraction of the heating tube is used. In addition to the opening of the closed -mouth ripple, the overall is closed. Compared with the open -tuber tube, it is complicated to wear a sleeve.

After investigation and testing, the closed -mouth ripple pipe wearing a section of the branch line → wearing the main and branch line beam of the ripple tube → the ripple tube branch fixed circular process process. In order to improve the waterproofing performance of the wiring beam, the wire beam branch point is treated with tape fixation, thermal shrinkage, and silicon rubber irrigation and other techniques. The thermal shrinkage tube is selected from XX thermal tubes, and the silicon rubber is selected from XX silicon rubber. Both have passed tests such as high and low temperature, waterproof, salt and fog. When the branch point is fixed, the front end of the main trunk and the branch line is wrapped in the tape to be wrapped in the middle of the tape, and the full -wrapped method is used to wrap it to the line bracket branch point (the branch position requirements required by the drawing). Later, the tube of the tube of the tube of the tube in the middle of the set is at the mid -thermal reduction point, and the tape will not leak. Silicon rubber is seized at the gap between the wrapped tubes of the heat shrinkage tube, and the surface of the 24h is curing.

3.3 Improve the appearance of the line beam

The tales and ripple ports of the brain line of the branch line are protected by the heating heating tube thermal contraction, replacing the protection of the insulating tape for electricity, and the appearance is beautiful and sealed.

After processing analysis, pay attention to the following points during operation.

1) The length of the thermal shrinkage tube is tightly fixed to the tail and the tail of the ripple tube of the plug -in/aviation connector. It should not be too long to avoid affecting the installation of the wire beam.

2) When the insert with a buckle is hot, the heat shrinkage cannot exceed the buckle, and it is unavailable to avoid the buckle from being fixed.

3) Confirm that the size of the thermal shrinkage pipe is correct after the size is correct.

4) Naked wire protection, using single -rooted wires with a thermal heating pipe heat shrinkage, and the tail and tail of the wiring tube with a heating tube with the thermal shrinkage of the heating tube.

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