Calculating Landed Cost Crossover between Flying Probe and Fixture Tooling
Landed cost crossover balances fixture NRE against probe runtime fees, shifting financial advantage to fixtures once batch volume savings offset tooling costs.
Test Labor Rate
Labor Cost Basis
Evaluating the financial recovery rate for printed circuit board testing requires a standard multiplier applied to technician hours on the factory floor. The test labor rate determines how manufacturing operations charge overhead and direct wages for debugging complex assemblies, programming automated test equipment, and verifying boundary scan faults. Direct hourly compensation, facility amortization, equipment depreciation, and supervision expenses combine to establish this hourly denominator.
Finance teams calculate the metric by dividing total test department overhead and direct payroll by productive operational hours. Commercial contracts tie billing disputes and quotation audits directly to this baseline figure.
Financial Allocation
Factory overhead distributes across automated optical inspection, in-circuit testing, and functional verification departments based on asset footprint and power consumption. Operators assign direct technician hours to specific work orders through barcode scans on the production line, ensuring traceability from raw laminate to final boxed units. Idle machine hours and calibration delays separate from productive billable time, preventing customers from paying for maintenance inefficiency.
Commercial agreements specify whether engineering support carries a distinct surcharge or remains bundled inside the primary hourly charge.
Operational Variance
Production volume fluctuations alter the divisor in the rate calculation, creating tension during fixed-price contract renegotiations. Low batch quantities amplify the hourly burden because specialized test fixtures amortize over fewer units. Automated test equipment maintenance schedules and programming setup time inflate direct labor consumption during initial prototype introduction.
Facilities absorb these variances through strict capacity planning and historical efficiency tracking across surface mount assembly lines.