On the computer: every cable with all its data
In our design office the wiring harness takes shape in EPLAN Harness proD. Every cable carries its data there: cable type, cross section, colour, length and stripping length. Splices, twists, protective tubing and grommets are planned as separate objects, and lengths and branches are dimensioned.
This lets us check whether the wiring harness fits into the installation space before any material is ordered. We derive bills of materials and cutting lists directly from the design.
On paper: the assembly board drawing at a scale of 1:1
The model yields the assembly board drawing, printed at a scale of 1:1 and applied to the board. It shows the route of every run, the position of every connector and, for each connector, a wire table with the wire name, the start and the destination. A legend marks which surface protection goes where, insulating tape for example.
On the assembly board: building without searching
Holders and pins sit exactly where the drawing places them. The pre-assembled cables are routed run by run, bundled and protected. That is how every wiring harness in a series turns out the same and fits at the customer without rework.
The wiring harness then goes to electrical final testing. You can read more about the board in the article The assembly board.
