Estimation method of wire diameter for automotive wiring harnesses

When using the CATIA module for harness data creation, the harness segment diameter is written into the software as an important parameter. All subsequent gap checks and motion analyses are based on this value. Therefore, once the actual difference is large, will inevitably lead to the original can meet the safety clearance requirements, to the actual installation of the car found to have interfered with, or even assembly can not be. Here to provide a theoretical calculation method for estimating the outer diameter of automotive wiring harness (harness standard algorithm). A wire harness segment is a collection of all the wires bundled together with tape or other wrapping. Considering that the tape is only wrapped around the wire harness, and the sleeve type of wrapping such as bellows, it is necessary to determine the outer diameter of the wire harness before it can be selected. For this reason, the wrapping section is dropped first in the calculation. In this way, the cross-sectional area of the harness section is equal to the sum of the cross-sectional areas of all the wires.

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