Harness Formboard

| Feature | Traditional (Physical) | Digital (Projected) | | :--- | :--- | :--- | | Initial Cost | Low ($200–$500 per board) | High ($3k–$10k per projector + software) | | Change Cost | High (rebuild board) | Zero (update CAD file) | | Operator Learning | Low (tactile) | Medium (needs training to follow light) | | Best Use Case | Stable, mature designs | R&D, low-volume, frequent ECOs |

Before releasing a formboard to production: harness formboard

Engineering Standards Committee Next Review Date: October 14, 2026 | Feature | Traditional (Physical) | Digital (Projected)

) is a full-scale physical template or digital diagram used to accurately build, organize, and test electrical wire harnesses. It serves as both a manufacturing guide and a specialized workbench for technicians. Zuken +3 Core Components and Visual Aids A formboard includes several physical or graphical "pieces" that guide the assembly process: Grid of Bores and Pins (Nails): Mechanical pins or nails are driven into the board to act as physical guides for routing wires and defining the harness's shape. Bundle Forks and Fixtures: Graphical or physical holders that support wire bundles at specific branch points. Connector and Clip Holders: Specialized fixtures that keep connectors and clips in the correct orientation during assembly. Tape Position Indicators: Visual markers on the board showing where tape or protective coverings must be applied. Siemens +3 Digital and Automated Features Modern formboards are often part of a "digital twin" workflow using software like Zuken E3.formboard or Siemens Capital : 14 sites Wiring harness manufacturing - Capital - Siemens Fully detailed and enhanced harness designs are often documented in a 2D non-scale harness drawing. Manufacturing engineers then u... Siemens Formboard design - Siemens What is formboard design? Along with the wire harness objects, all manufacturing-relevant objects like bundle forks, connector hol... Siemens Wire Harness Formboard Design | Siemens Software Utilize a comprehensive digital twin in harness design A formboard diagram views the wire harness design data as a digital twin, a... Siemens Show all 1:1 Scale Drawings: Diagrams are printed at full size so wires can be laid directly over the paper layout. Dynamic Connector Tables: Configurable tables that automatically display pin, signal, and wire color information. Automatic Length Calculation: Software automatically determines wire lengths and bundle diameters based on the board's geometry. Interactive Guidance: High-tech versions like the Komax EasyWiring board use interactive displays or projectors to show step-by-step routing instructions directly to the operator. Zuken +4 Common Industry Uses Automotive & Aerospace: Used for complex electrical systems requiring high precision and safety standards. Industrial Machinery: For routing durable custom wiring that must resist oil or abrasion. Cloom Tech +2 Are you looking for a Bundle Forks and Fixtures: Graphical or physical holders

| Component | Recommended Material | Rationale | | :--- | :--- | :--- | | | 18mm Baltic Birch plywood | Stable, accepts pins repeatedly, cost-effective. | | Pins | Stainless steel or hard plastic | Prevents rust (rust stains on wires = FOD risk). | | Top Graphic | Laminated matte vinyl | Resists solvent wipes; non-glare for operator vision. | | Storage | Vertical rack or wall mount | Prevents warping of base panel. |

At its core, a formboard is a 1:1 scale diagram of a wiring harness. It provides a structured platform where technicians can lay out wires, cables, and connectors exactly as they will appear in the final product.

Formboards are typically constructed from durable, non-conductive materials to withstand the wear and tear of production cycles.