Sub-scheme Overview (Quantitative Description)：

Based on high-precision vision and optical calibration, the automated assembly and testing of the HUD optical engine is realized, ensuring imaging quality.

Main Processes (Process Flow Points)：

Lens cleaning & gluing, PGU alignment & assembly, optical calibration, image testing, appearance inspection

Features / Advantages：

Visual alignment accuracy: ±5 μm, supports mixed-line production of multiple models, full-process MES traceability, 100% detection of dead pixels and color difference.

Unit Composition：

Optical Alignment System, Image Testing Unit, Manipulator, Control System